{
  "schema_version": 2,
  "formal_base": {
    "status": "selected",
    "method": "hnm",
    "version": "hnm-v1",
    "reason": "ユーザーの方針変更に従い、自作の調波・雑音方式を改善の出発点とする。WORLD（Harvest）は既存比較対象であり、初代採用はWORLDへの品質優越を意味しない。",
    "comparison_reference": "hnm",
    "comparison_reference_meaning": "この実験時点の自作ベース。初代の自己比較差は0。既存比較対象はWORLD（Harvest）の1方式。"
  },
  "environment": {
    "python": "3.12.14",
    "numpy": "2.3.5",
    "scipy": "1.17.0",
    "platform": "Linux-6.18.44-x86_64-with-glibc2.39"
  },
  "parent_commit": "0628e42275c53e1773a463422cc34264c3697458",
  "source_sha256": {
    "vocoderbench/__init__.py": "73738d70706824f85fdfac302306af505437a50b0ca4cdc68fd57aec211a308d",
    "vocoderbench/audio_report.py": "f46ff0cf69e7cb956ea94ee0c7013d44052c0400c5ffc64d7f9f90b4489aa980",
    "vocoderbench/audio_samples.py": "b9b975c1f305cdaff47909b99bd2a3dce64996e90774d2a8305adc1c67ed6c17",
    "vocoderbench/build_world.py": "7d29d81c9a48d633edfeae0425c5cc055bc0a10d230232a51eab5720b2cc6974",
    "vocoderbench/calibrate_pitch.py": "282c917bf87c6f549f32467647802852907e4b0b88128eb8017157b84566adec",
    "vocoderbench/control.py": "bc41e73ff34b5f9cb52280a6f2317c989abc53f8b15f8f82db5ee3102b4b58bd",
    "vocoderbench/fixtures.py": "a1646c4d0f7c6966ea49a4673ec2c71e75f864943c8908395089d027325eac69",
    "vocoderbench/hnm.py": "58f0378793b7433f80bf854972882298649799d8e3d0868674816e9bf6b63f74",
    "vocoderbench/hnm_analysis.py": "3f45703667237333d76c4145c1513e4eb3342bd40f01a714c10303082440e26a",
    "vocoderbench/hnm_control.py": "b2f5efbbb1e550569c231a08f12997d94b0bacb130bcc816fe6bd458b17a98bc",
    "vocoderbench/hnm_diagnostics.py": "a3f47468d10db7e8040c78fc24546043b2eeae6b518f59da1f5904c674aae436",
    "vocoderbench/hnm_parameters.py": "635bf222bac8ce41897c0977677e67be4366724f4239a9e85e153169fcea2cf0",
    "vocoderbench/hnm_synthesis.py": "574124b6c412a5adc3cbe4152c3188ed56796cb5efe5d632d9e84b85040b9fbf",
    "vocoderbench/logging_utils.py": "c80eb5d9647516a4bc03980cb178f8b4bb130ac15877d1b3289797e7ad81e381",
    "vocoderbench/methods.py": "b675f7bddf6d19515609713de11fcf4bbdf4c54a3a536030d8da16c3282dd97c",
    "vocoderbench/metrics.py": "b8767feb49494058bd9ec08fd95ae2fb50ce7897fcdd6cebe319ff8a0ac51f22",
    "vocoderbench/report.py": "cefe7b865cbf768cc497c2fbf8085f0492875abab89dce34ff99831deb180bce",
    "vocoderbench/run.py": "8b2713600f3890dae76d4b2b1b0ef992fdb621679bff3aecc73ca9b68d92e9d2",
    "vocoderbench/site_summary.py": "687ca258393ffeddcd69f453d9ccf2f6bdc394214877332c8c1748cf35857d95",
    "vocoderbench/world.py": "d14558eed772e07031a9183f57facc55acb1c27deccb3dd4fa098ffcbe0cde3a"
  },
  "alignment": "none",
  "normalization": "none",
  "data_status": [
    {
      "status": "loaded",
      "speakers": 2,
      "excerpts": 2,
      "seconds_per_excerpt": 6
    }
  ],
  "fixture_seed": 20261011,
  "comparison_reference": "hnm",
  "cases": [
    {
      "id": "sine_120_16000",
      "kind": "known_periodic",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 19200,
      "input_float64_sha256": "72d5d4ea3ee7a1dccbef84794197f32ab47e34960f1868c03d4ba89382f73908"
    },
    {
      "id": "harmonic_110_16000",
      "kind": "known_periodic",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 19200,
      "input_float64_sha256": "61e908c2c1f4a4f2e4cac5b3f30824ee9c14cceb77aa8f9d89b07f4485ad6f72"
    },
    {
      "id": "harmonic_220_16000",
      "kind": "known_periodic",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 19200,
      "input_float64_sha256": "5bb721257f1848230583a7def692d99893888b8d421884dd18e4848000ef04c1"
    },
    {
      "id": "missing_fundamental_150_16000",
      "kind": "known_periodic",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 19200,
      "input_float64_sha256": "d73296c9724ec67d66690a674cdb8e475cc62ea0576a8b4a272c69225f61bec6"
    },
    {
      "id": "harmonic_sweep_90_240_16000",
      "kind": "known_periodic_sweep",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 24000,
      "input_float64_sha256": "b0046cd362d6425b88edbecd2c3dc0c685fcbac11bb74e52814380a17276cca4"
    },
    {
      "id": "pulse_iir_vowel_90_16000",
      "kind": "known_source_filter",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 19200,
      "input_float64_sha256": "918fbf0e9e3db9dfea818d2e22da9aa18e095ef4db16f49f656de6db74188916"
    },
    {
      "id": "am_noise_6hz_16000",
      "kind": "known_unvoiced",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 24000,
      "input_float64_sha256": "7456f44bcfef4d38052bf0b9b4c0d24787f876f97a1df0cdb30b4d3532fbcf41"
    },
    {
      "id": "voiced_unvoiced_boundaries_16000",
      "kind": "known_mixed",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 25600,
      "input_float64_sha256": "f93b9dd93f4c79d60977d6a075b182316fa6d9847f9c7914ef85ce60b55c60cf"
    },
    {
      "id": "silence_16000",
      "kind": "silence",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 12800,
      "input_float64_sha256": "f627ca4c2c322f15db26152df306bd4f983f0146409b81a4341b9b340c365a16"
    },
    {
      "id": "impulse_16000",
      "kind": "transient_diagnostic",
      "sr": 16000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 12800,
      "input_float64_sha256": "ab0a2efbc74f17eeb85e5cd4666c6c977fe8f6e6e124336d269418550c417bca"
    },
    {
      "id": "sine_120_24000",
      "kind": "known_periodic",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 28800,
      "input_float64_sha256": "7b28885047dd680d227a2c5ce0f276410e4a3cbdae2143222a80d250dc797866"
    },
    {
      "id": "harmonic_110_24000",
      "kind": "known_periodic",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 28800,
      "input_float64_sha256": "f6f5ba5df9c7eeb1962f80f195fe91c092ede7df3d3479c6a22e49d17d6a57d5"
    },
    {
      "id": "harmonic_220_24000",
      "kind": "known_periodic",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 28800,
      "input_float64_sha256": "a88eb27f28507262ed88f8b7904f31380699c6187a25f5f6f7f42a384598b46a"
    },
    {
      "id": "missing_fundamental_150_24000",
      "kind": "known_periodic",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 28800,
      "input_float64_sha256": "6c169c6d869b6429ec7c71d5a0e4d370c09dd2e862f7195eb19db29ff0630488"
    },
    {
      "id": "harmonic_sweep_90_240_24000",
      "kind": "known_periodic_sweep",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 36000,
      "input_float64_sha256": "d08f0a93e4a979bfe7833f354536a0cdbd8ec57c61309d83c494a9d69e14073b"
    },
    {
      "id": "pulse_iir_vowel_90_24000",
      "kind": "known_source_filter",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 28800,
      "input_float64_sha256": "73c5ec410d60de72f75c4ef9caf8bbfb5aaa13570af7fce60fa241ab2d65c816"
    },
    {
      "id": "am_noise_6hz_24000",
      "kind": "known_unvoiced",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 36000,
      "input_float64_sha256": "2d161a3e3cfcd234527d5a230cad1b32b4c920224976ecd4429e3f781d9413f3"
    },
    {
      "id": "voiced_unvoiced_boundaries_24000",
      "kind": "known_mixed",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 38400,
      "input_float64_sha256": "c65954cd8f8f61fe666260ff0ae7eae569f400245c69d440e35bf6b9e2dda271"
    },
    {
      "id": "silence_24000",
      "kind": "silence",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 19200,
      "input_float64_sha256": "0c5cc90b079d0d9c1ded1376357d23a9782a704a83e01731f50ccd162e246492"
    },
    {
      "id": "impulse_24000",
      "kind": "transient_diagnostic",
      "sr": 24000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 19200,
      "input_float64_sha256": "9309e0381e14d19fca6fd91df56d4a0b68496cf0e44f37a1c4ec5afac0a5c1e2"
    },
    {
      "id": "sine_120_48000",
      "kind": "known_periodic",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 57600,
      "input_float64_sha256": "d0e05420f0252a6b6912880fc6d4ff0ea9dcecd62add101a2136343c912c7912"
    },
    {
      "id": "harmonic_110_48000",
      "kind": "known_periodic",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 57600,
      "input_float64_sha256": "1ab9199432f997d1a4cbd902d9433ab5ea4859cedd44ee1a86c6ea7758c9f333"
    },
    {
      "id": "harmonic_220_48000",
      "kind": "known_periodic",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 57600,
      "input_float64_sha256": "a93ec90389ba3dcb2b6cd87e9e6669196b37ae18fbfe801185aec3cc600490fe"
    },
    {
      "id": "missing_fundamental_150_48000",
      "kind": "known_periodic",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 57600,
      "input_float64_sha256": "8aafc28385d6d4e38246dab34f0b0417be040fb7cf6d22e9b91a539bcf8ca6ef"
    },
    {
      "id": "harmonic_sweep_90_240_48000",
      "kind": "known_periodic_sweep",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 72000,
      "input_float64_sha256": "b9342d670a49ef90a6cd9954b388daa5a78f583026b9d5c56ed716907d998c3e"
    },
    {
      "id": "pulse_iir_vowel_90_48000",
      "kind": "known_source_filter",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 57600,
      "input_float64_sha256": "c983e6560d340e7b7d633aaa9b2ffce4bb316ecdf13bce489e16fd43b4c9d0d7"
    },
    {
      "id": "am_noise_6hz_48000",
      "kind": "known_unvoiced",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 72000,
      "input_float64_sha256": "4fa720cb65bc9ca935239b4be3171f99a5ebb84951daf6bf52db77e499e42790"
    },
    {
      "id": "voiced_unvoiced_boundaries_48000",
      "kind": "known_mixed",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 76800,
      "input_float64_sha256": "83e3448925e14fe0888376f30952cee6148564ea22cfb26b4f5ec795340c83f5"
    },
    {
      "id": "silence_48000",
      "kind": "silence",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 38400,
      "input_float64_sha256": "7818f5542a0404157573be6cffc0e0c8e68ce3c0f5d17d07ccdd9313fb700baf"
    },
    {
      "id": "impulse_48000",
      "kind": "transient_diagnostic",
      "sr": 48000,
      "generator": "independent-analytic-fixtures-v1",
      "input_seed": 20261011,
      "n_samples": 38400,
      "input_float64_sha256": "e69a73cff2e66d667e626c78971f8cd1ab3e15a442a34374859af03ff8200d68"
    },
    {
      "id": "librispeech_5142-36586_first6s",
      "kind": "natural_speech",
      "sr": 16000,
      "speaker": "5142",
      "source_file": "librispeech_5142-36586.wav",
      "source_file_sha256": "1b5f3637a3031cca864a3993e4a20e3f5cb7bf1fc5c51f1d72136a5a4f6231aa",
      "excerpt_start_sample": 0,
      "excerpt_samples": 96000,
      "n_samples": 96000,
      "input_float64_sha256": "fb11faac58eb060bfc90577e429d21abde1194225c538d10f6dfcdbc6f65fa20"
    },
    {
      "id": "librispeech_7021-79759_first6s",
      "kind": "natural_speech",
      "sr": 16000,
      "speaker": "7021",
      "source_file": "librispeech_7021-79759.wav",
      "source_file_sha256": "5535eca6eedc9ea24287d00cfbb9ee37d28f381343b7e3abf7e2310db2446295",
      "excerpt_start_sample": 0,
      "excerpt_samples": 96000,
      "n_samples": 96000,
      "input_float64_sha256": "facaba4a2055af5fff34620adaeb08e028f3f04a1045b6b8a2a6dfadc01c3de0"
    }
  ],
  "resynthesis": [
    {
      "case": "sine_120_16000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 2.066233310027097
      },
      "status": "measured",
      "seconds": 0.276521796000452,
      "rtf": 0.23043483000037668,
      "output_sha256": "bcd8a3b64001aa277556929a882e7bf983626d25757db51a12376abeee209834",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.5185406356815988,
            "spectral_convergence": 0.04358201098066923,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.941806022385313e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 1.110227160886664,
            "spectral_convergence": 0.04742333310034849,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.26182902261729e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 2.08297430500763,
            "spectral_convergence": 0.0484143769129543,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.2525420327375667e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.1223989132529024,
              "output_power": 0.11560906799764066,
              "delta_db": -0.24785661781507926,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 4.3525748203288054e-08,
              "output_power": 0.00012364517233711783,
              "delta_db": 34.5343091888859,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2759237148214641e-11,
              "output_power": 4.454286367753944e-07,
              "delta_db": 45.42953425074699,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 2.003048030212706e-13,
              "output_power": 1.6438584566428413e-07,
              "delta_db": 52.15864420171569,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 5.051440946447032e-15,
              "output_power": 8.3699258967856e-08,
              "delta_db": 49.22721612980169,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.2503175028988497e-16,
              "output_power": 5.836447073414583e-08,
              "delta_db": 47.66148551569658,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 1,
          "band_count": 6,
          "active_band_mae_db": 0.24785661781507926,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.24318760275711648,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.7751593315097937,
          "abs_error_cents_p95": 0.9638485008213341,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -9.365410439496305,
        "output_peak": 0.5344788815743667,
        "reference_rms_dbfs": -9.122222836739189,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.2372473671919642
      }
    },
    {
      "case": "sine_120_16000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 0.016597510373443983,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 4,
        "missing_voiced_frames": 237,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 33.09451593420479
      },
      "status": "measured",
      "seconds": 0.19041871700028423,
      "rtf": 0.15868226416690354,
      "output_sha256": "19cdb987f9230807fe420e78895b898e23565ffc5eab8ec46e8d71f663d50e60",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 4.694686460185058,
            "spectral_convergence": 0.8021222918640136,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.941806022385313e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 10.490259613616475,
            "spectral_convergence": 1.0833747615127303,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.26182902261729e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 11.90810753132407,
            "spectral_convergence": 1.1986631506807948,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.2525420327375667e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.1223989132529024,
              "output_power": 0.014787985455459868,
              "delta_db": -9.178685470862101,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 4.3525748203288054e-08,
              "output_power": 0.06863772028218044,
              "delta_db": 61.97816605188309,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2759237148214641e-11,
              "output_power": 0.0012328466588290058,
              "delta_db": 79.85084353034303,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 2.003048030212706e-13,
              "output_power": 5.836620862013423e-07,
              "delta_db": 57.66161483119431,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 5.051440946447032e-15,
              "output_power": 8.056898999732409e-08,
              "delta_db": 49.06167919417435,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.2503175028988497e-16,
              "output_power": 4.621823087167086e-08,
              "delta_db": 46.64813317660275,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 1,
          "band_count": 6,
          "active_band_mae_db": 9.178685470862101,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -1.6010323370717074,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 113,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": 0.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -10.723255173810898,
        "output_peak": 1.3598599971780116,
        "reference_rms_dbfs": -9.122222836739189,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 9.031017868375201
      }
    },
    {
      "case": "harmonic_110_16000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.5072849624863456
      },
      "status": "measured",
      "seconds": 0.28062032899833866,
      "rtf": 0.23385027416528223,
      "output_sha256": "d6a627f192e1b748e199a2258296c999cf055c5b74252965d8d49c42b3ad5b6a",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.45858547164783087,
            "spectral_convergence": 0.026986378330918923,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.976044629480609e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.5239135314107654,
            "spectral_convergence": 0.025548233790318692,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5995360552283572e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.9944010160550906,
            "spectral_convergence": 0.023672619231557116,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5800497103667606e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.05147918597288733,
              "output_power": 0.05113459972228275,
              "delta_db": -0.029168102257797583,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.012842494613159137,
              "output_power": 0.01309080628014288,
              "delta_db": 0.08317003918720559,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00199891954710928,
              "output_power": 0.002011240237872849,
              "delta_db": 0.026686342365805298,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0005740401624226474,
              "output_power": 0.0005751158287093918,
              "delta_db": 0.00813042046069002,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0002000693024622835,
              "output_power": 0.0002002809189122304,
              "delta_db": 0.0045911734348753445,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.8188345938719944e-05,
              "output_power": 4.8169664586891764e-05,
              "delta_db": -0.0016839716949048097,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.025571674900213105,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.005351555594390172,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.023957726913659463,
          "abs_error_cents_p95": 0.06863863671937892,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.735350737275995,
        "output_peak": 0.6032163850380836,
        "reference_rms_dbfs": -11.729999181681606,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.6589666730378956
      }
    },
    {
      "case": "harmonic_110_16000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.8153833648097404
      },
      "status": "measured",
      "seconds": 0.2622668439980771,
      "rtf": 0.2185557033317309,
      "output_sha256": "37489d7a83e4957859788da30e4504c731a1ab921640f627b949c5ef5e34c79b",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 15.668816084956388,
            "spectral_convergence": 0.5265149311040059,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.976044629480609e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 3.10880577829381,
            "spectral_convergence": 0.11489116312001141,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5995360552283572e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 3.2326639011063554,
            "spectral_convergence": 0.07624836058523814,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5800497103667606e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.05147918597288733,
              "output_power": 0.06024035494412739,
              "delta_db": 0.682558512208018,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.012842494613159137,
              "output_power": 0.012675179941359358,
              "delta_db": -0.056952587817263825,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00199891954710928,
              "output_power": 0.0019192407745521733,
              "delta_db": -0.1766585319584951,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0005740401624226474,
              "output_power": 0.0005508659146263725,
              "delta_db": -0.1789637784565291,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0002000693024622835,
              "output_power": 0.00019232390422850053,
              "delta_db": -0.17147191271373846,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.8188345938719944e-05,
              "output_power": 4.887247240074342e-05,
              "delta_db": 0.0612229059734696,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.22130470485458573,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.5167586057124067,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.02001536216196603,
          "abs_error_cents_p95": 0.05903288809980686,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.213240575969198,
        "output_peak": 0.5643427098173424,
        "reference_rms_dbfs": -11.729999181681606,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 7.336761921452184
      }
    },
    {
      "case": "harmonic_220_16000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.19692526825589873
      },
      "status": "measured",
      "seconds": 0.24096098299924051,
      "rtf": 0.20080081916603376,
      "output_sha256": "cdc18b996859ad93af9ea32501a59a660162bc2f52c0ae10b97bf996c5a4b6f4",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.36471161115747364,
            "spectral_convergence": 0.02312947731810351,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8831011704983265e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.6616624746713669,
            "spectral_convergence": 0.020083441899717336,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4861423760000773e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 4.590905030085339,
            "spectral_convergence": 0.021667042001755808,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4842442020779748e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.49916784158012e-05,
              "output_power": 5.349315458608345e-05,
              "delta_db": -0.11998765337688574,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.061855119859678724,
              "output_power": 0.06165160637294455,
              "delta_db": -0.014312558833425684,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.004500346924411444,
              "output_power": 0.004544303497240377,
              "delta_db": 0.0422133447560065,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0020644179058127428,
              "output_power": 0.002068517867585398,
              "delta_db": 0.008616593412541685,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005925150620932784,
              "output_power": 0.0005927840723063912,
              "delta_db": 0.0019713108656842448,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.00014632183659341974,
              "output_power": 0.0001463292533209936,
              "delta_db": 0.0002201286084904132,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.031220264975505712,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.009842266246559598,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.06389143096731398,
          "abs_error_cents_p95": 0.08472510145011466,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.607920771655687,
        "output_peak": 0.6026179684928058,
        "reference_rms_dbfs": -11.598078505409127,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.8724263719713932
      }
    },
    {
      "case": "harmonic_220_16000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.020422608388778282
      },
      "status": "measured",
      "seconds": 0.22140857599879382,
      "rtf": 0.18450714666566154,
      "output_sha256": "88340397f2c1cd99bdcb8366433fab59a8b52ad12e1b492b592b9daf956bae82",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 8.85571670168225,
            "spectral_convergence": 0.3601509441028039,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8831011704983265e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 4.376874321403996,
            "spectral_convergence": 0.07836178605653908,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4861423760000773e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 9.366531743699325,
            "spectral_convergence": 0.07612046629850226,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4842442020779748e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.49916784158012e-05,
              "output_power": 0.00010963168930912506,
              "delta_db": 2.996391310788977,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.061855119859678724,
              "output_power": 0.07072882524116433,
              "delta_db": 0.5822079200988803,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.004500346924411444,
              "output_power": 0.004283957371163579,
              "delta_db": -0.21400853519392543,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0020644179058127428,
              "output_power": 0.0019771487943851668,
              "delta_db": -0.18758263020116514,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005925150620932784,
              "output_power": 0.0005682707453401215,
              "delta_db": -0.18144095774688146,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.00014632183659341974,
              "output_power": 0.00015610730142642763,
              "delta_db": 0.2811407263812906,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.7404620134018532,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.5092107101050186,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.07117544429237412,
          "abs_error_cents_p95": 0.15219439122321185,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.088867795304107,
        "output_peak": 0.601584713579771,
        "reference_rms_dbfs": -11.598078505409127,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 7.533040922261857
      }
    },
    {
      "case": "missing_fundamental_150_16000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.07704067672973794
      },
      "status": "measured",
      "seconds": 0.24720827800047118,
      "rtf": 0.20600689833372599,
      "output_sha256": "381b542d4466df517f3023876d538d46f43d2c5fa9521973ea205a571db9539e",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.6126157611139453,
            "spectral_convergence": 0.02975833939124429,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.6784924591140252e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 4.091195016078,
            "spectral_convergence": 0.028671500103071054,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200812243e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 6.62969332353393,
            "spectral_convergence": 0.029606447040658537,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200811852e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.061915115378003e-09,
              "output_power": 1.337517866635426e-05,
              "delta_db": 38.12028809717651,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.026039993468199775,
              "output_power": 0.025321159655907245,
              "delta_db": -0.1215727938342162,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.009394429724971783,
              "output_power": 0.009425967365719896,
              "delta_db": 0.014555097964535824,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005733143649652568,
              "output_power": 0.005741237034778881,
              "delta_db": 0.006126540821407783,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0006884043848610362,
              "output_power": 0.0006877230967455609,
              "delta_db": -0.0043001785410919915,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.7542304123327258e-15,
              "output_power": 3.4220831270594464e-08,
              "delta_db": 45.342905549376155,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 4,
          "band_count": 6,
          "active_band_mae_db": 0.03663865279031295,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.06970961430615978,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.12507831259272187,
          "abs_error_cents_p95": 0.12913677877412255,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -13.85213516267486,
        "output_peak": 0.604497418910871,
        "reference_rms_dbfs": -13.7824255483687,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.7778347002419586
      }
    },
    {
      "case": "missing_fundamental_150_16000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 241,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.15914112799873692,
      "rtf": 0.13261760666561412,
      "output_sha256": "cc0e7d2c93e74d08265f28460bdfc6d4a81afd476fb38b3c38cab4166ed7afed",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 7.391858191879638,
            "spectral_convergence": 0.8271428943046177,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.6784924591140252e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 10.45132830203925,
            "spectral_convergence": 0.7256639734445248,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200812243e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 22.12305358088114,
            "spectral_convergence": 1.1264732527779227,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200811852e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.061915115378003e-09,
              "output_power": 0.00389208034966743,
              "delta_db": 62.75911015094942,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.026039993468199775,
              "output_power": 0.0237418789189162,
              "delta_db": -0.4012578515976834,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.009394429724971783,
              "output_power": 0.013745633764876666,
              "delta_db": 1.6529434646752217,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005733143649652568,
              "output_power": 0.00576054959441781,
              "delta_db": 0.020710963633806014,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0006884043848610362,
              "output_power": 0.0014210941031623657,
              "delta_db": 3.1477920939730764,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.7542304123327258e-15,
              "output_power": 3.7440522692588885e-09,
              "delta_db": 35.73341903124896,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 4,
          "band_count": 6,
          "active_band_mae_db": 1.305676093469947,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.6453232690338823,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 113,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": 0.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -13.137102279334819,
        "output_peak": 1.2938415771657863,
        "reference_rms_dbfs": -13.7824255483687,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 13.322080024933342
      }
    },
    {
      "case": "harmonic_sweep_90_240_16000",
      "kind": "known_periodic_sweep",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 339138,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 301,
        "voiced_frames": 301,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 301,
        "valid_voiced_frames": 301,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 2.7438296326641645
      },
      "status": "measured",
      "seconds": 0.3462610639980994,
      "rtf": 0.23084070933206627,
      "output_sha256": "b1ea599c8114a9cd639b88b994961c44b5b9bab4815cf9309495c8ac21db59b1",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 24000,
        "output_samples": 24000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.8582441111394012,
            "spectral_convergence": 0.0335234794759786,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.554055357778171e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 1.1099581239460337,
            "spectral_convergence": 0.030903441666692982,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.813555167305629e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 2.890774892920686,
            "spectral_convergence": 0.02973428556178056,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.781870414968393e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.04239313445922007,
              "output_power": 0.041481548399371376,
              "delta_db": -0.09440569462055148,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.031065774522381732,
              "output_power": 0.03111391549150741,
              "delta_db": 0.006724820087565167,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.003072858618483715,
              "output_power": 0.0030931505856693483,
              "delta_db": 0.028584846044683226,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.000991118137064746,
              "output_power": 0.0009874678664772963,
              "delta_db": -0.016024516188056823,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00024487906219671575,
              "output_power": 0.00024316335699697827,
              "delta_db": -0.030535229770847064,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.1357525507446691e-05,
              "output_power": 1.1276220078498084e-05,
              "delta_db": -0.031201774263243116,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.03457948016249115,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.04764359339612584,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 143,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 143,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.7899242999941619,
          "abs_error_cents_p95": 3.108917663577155,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.139013211661661,
        "output_peak": 0.6211539793752339,
        "reference_rms_dbfs": -11.091369618265535,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.619659042668707
      }
    },
    {
      "case": "harmonic_sweep_90_240_16000",
      "kind": "known_periodic_sweep",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 309428,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 301,
        "valid_voiced_frames": 301,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.2788785553155028
      },
      "status": "measured",
      "seconds": 0.3040523490017222,
      "rtf": 0.2027015660011481,
      "output_sha256": "57aae0656dd348b5254becfc3dc48d19704fdaa3e271f4afacd2e78f9773a586",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 24000,
        "output_samples": 24000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 5.653476026021085,
            "spectral_convergence": 0.4048922945863681,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.554055357778171e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 1.546547306854441,
            "spectral_convergence": 0.11569540848127434,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.813555167305629e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 3.0354889910687155,
            "spectral_convergence": 0.08581955098239721,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.781870414968393e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.04239313445922007,
              "output_power": 0.050256854982175386,
              "delta_db": 0.7389977886736074,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.031065774522381732,
              "output_power": 0.03511245832860786,
              "delta_db": 0.5317905100895142,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.003072858618483715,
              "output_power": 0.002939359584169774,
              "delta_db": -0.1928986054140884,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.000991118137064746,
              "output_power": 0.0009551457332527117,
              "delta_db": -0.16055783644545135,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00024487906219671575,
              "output_power": 0.00024590231322572914,
              "delta_db": 0.018109608134327892,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.1357525507446691e-05,
              "output_power": 1.8483140829452103e-05,
              "delta_db": 2.1149205171208387,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.6262124776463046,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.6109683454702073,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 143,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 143,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 1.0274396561362606,
          "abs_error_cents_p95": 3.9073359548537323,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -10.480401272795328,
        "output_peak": 0.6223441675101593,
        "reference_rms_dbfs": -11.091369618265535,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.411837441314747
      }
    },
    {
      "case": "pulse_iir_vowel_90_16000",
      "kind": "known_source_filter",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.493719056026268
      },
      "status": "measured",
      "seconds": 0.3478870580001967,
      "rtf": 0.2899058816668306,
      "output_sha256": "bcd565a235e3be8ed1a122f995dd1381310ade707032466385003ce38f80cb32",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 1.2387882959007546,
            "spectral_convergence": 0.07452392141480142,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5440384220059523e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.7676656075453261,
            "spectral_convergence": 0.05350136500811843,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.568043564410838e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 2.137803822340564,
            "spectral_convergence": 0.061251753489515795,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.608045419880063e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0002523438933289186,
              "output_power": 0.0002754202485815005,
              "delta_db": 0.3800306656955807,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0008649859170864208,
              "output_power": 0.0008811750639516932,
              "delta_db": 0.08053161978351683,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.01922676647982728,
              "output_power": 0.018723086316397228,
              "delta_db": -0.11528812107094194,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0054264652782323,
              "output_power": 0.005390335300346631,
              "delta_db": -0.029012476040670455,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.7309008718690025e-05,
              "output_power": 2.7082409043215036e-05,
              "delta_db": -0.0361864286927229,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 7.940988985707968e-10,
              "output_power": 2.51795219682552e-08,
              "delta_db": 15.011728871475842,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 5,
          "band_count": 6,
          "active_band_mae_db": 0.12820986225668657,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.0851271457540185,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.12111750217476606,
          "abs_error_cents_p95": 0.27259725467610135,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.969288415516958,
        "output_peak": 0.6207881734146383,
        "reference_rms_dbfs": -15.88416126976294,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.3814192419288815
      }
    },
    {
      "case": "pulse_iir_vowel_90_16000",
      "kind": "known_source_filter",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 1.2998203008458478
      },
      "status": "measured",
      "seconds": 0.38595065800109296,
      "rtf": 0.32162554833424417,
      "output_sha256": "b5e7a77601f122567fb269a7de0dcc9257f537dc5b697da91a76a49a53d2f2cc",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 3.175169518838053,
            "spectral_convergence": 0.1494517345401837,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5440384220059523e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 2.152761557946726,
            "spectral_convergence": 0.11964094608158478,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.568043564410838e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 1.7073054710720756,
            "spectral_convergence": 0.11319876113040046,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.608045419880063e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0002523438933289186,
              "output_power": 0.0001978650000641062,
              "delta_db": -1.056238198226609,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0008649859170864208,
              "output_power": 0.0008232236577976388,
              "delta_db": -0.21491194048308512,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.01922676647982728,
              "output_power": 0.022215081319656986,
              "delta_db": 0.6274165576248648,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0054264652782323,
              "output_power": 0.006074956054947324,
              "delta_db": 0.49026112200409666,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.7309008718690025e-05,
              "output_power": 2.797774579723087e-05,
              "delta_db": 0.10506783799435607,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 7.940988985707968e-10,
              "output_power": 1.0394058512204663e-09,
              "delta_db": 1.1691056365924393,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 5,
          "band_count": 6,
          "active_band_mae_db": 0.49877913126660234,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.5586298567655147,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.13792961696372838,
          "abs_error_cents_p95": 0.2823687767683456,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.325531412997424,
        "output_peak": 0.6309295885659116,
        "reference_rms_dbfs": -15.88416126976294,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 2.3450788492856183
      }
    },
    {
      "case": "am_noise_6hz_16000",
      "kind": "known_unvoiced",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 339138,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 301,
        "voiced_frames": 0,
        "low_confidence_frames": 301,
        "unvoiced_or_unresolved_frames": 301,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.1585615109979699,
      "rtf": 0.1057076739986466,
      "output_sha256": "cdc40c59d966e27fcf88eb80a0196d85ac6a3dbaf36640deef0bef1d802f38d7",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 24000,
        "output_samples": 24000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 6.089570424996846,
            "spectral_convergence": 0.6215377837632214,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.196453952249548e-07
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 5.984491633929676,
            "spectral_convergence": 0.5945475953732585,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.3844778753114973e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 6.350576821230153,
            "spectral_convergence": 0.6301547172979669,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.660282693918681e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 1.7660251205809936e-06,
              "output_power": 8.644419415964836e-06,
              "delta_db": 6.89738953277193,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.00033661167637180005,
              "output_power": 0.00029907952447667997,
              "delta_db": -0.5134249522395953,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0009012477313791158,
              "output_power": 0.0009443872097951558,
              "delta_db": 0.2030591210397646,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.001683090652131809,
              "output_power": 0.001600176665557584,
              "delta_db": -0.2193957487415219,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0034291918023174467,
              "output_power": 0.003361797550164067,
              "delta_db": -0.08620220480918982,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0034051290715845775,
              "output_power": 0.003437939737299347,
              "delta_db": 0.041646812746973315,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 1.3268530620581624,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.04699507148378023,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 143,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -20.153815570812267,
        "output_peak": 0.548447030124926,
        "reference_rms_dbfs": -20.10682049932848,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 6.1415462933855585
      }
    },
    {
      "case": "am_noise_6hz_16000",
      "kind": "known_unvoiced",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 309428,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.1873818960011704,
      "rtf": 0.12492126400078025,
      "output_sha256": "93998b1eb04a102fe950f362c2d69796f1688caae83b8be6877a7cbf4feec975",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 24000,
        "output_samples": 24000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 6.202999820422289,
            "spectral_convergence": 0.6394879523139545,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.196453952249548e-07
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 6.734838220453556,
            "spectral_convergence": 0.652952276073854,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.3844778753114973e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 7.033439121704974,
            "spectral_convergence": 0.6687050263201805,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.660282693918681e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 1.7660251205809936e-06,
              "output_power": 5.2323428710830196e-05,
              "delta_db": 14.716993183579223,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.00033661167637180005,
              "output_power": 0.000368191325289008,
              "delta_db": 0.3894437547503803,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0009012477313791158,
              "output_power": 0.0009374360083225113,
              "delta_db": 0.170974468839991,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.001683090652131809,
              "output_power": 0.0016929277180905678,
              "delta_db": 0.025309077654413866,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0034291918023174467,
              "output_power": 0.003505105458633927,
              "delta_db": 0.0950931233279404,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0034051290715845775,
              "output_power": 0.003945000037624338,
              "delta_db": 0.6391343317294313,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 2.6728246566468967,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.3191204572817841,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 143,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -19.787700042046698,
        "output_peak": 0.6540108151563976,
        "reference_rms_dbfs": -20.10682049932848,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 6.65709238752694
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "kind": "known_mixed",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 361638,
      "feature_f0_voiced_fraction": 0.6947040498442367,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 321,
        "voiced_frames": 223,
        "low_confidence_frames": 99,
        "unvoiced_or_unresolved_frames": 98,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 221,
        "valid_voiced_frames": 221,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 2,
        "abs_error_cents_p95": 1.170122851744634
      },
      "status": "measured",
      "seconds": 0.28357030600091093,
      "rtf": 0.17723144125056933,
      "output_sha256": "c006c8ab73ece199f659ff6f094427e9761d221933484358275cfa8a2b455deb",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 25600,
        "output_samples": 25600,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 3.069580874487766,
            "spectral_convergence": 0.34159095372230425,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.1356494948447747e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 3.0298439051155728,
            "spectral_convergence": 0.344949084415316,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 8.004148315506265e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 3.84106243809673,
            "spectral_convergence": 0.36440408871346897,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.980781269652513e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.010527047873563372,
              "output_power": 0.010338097337750742,
              "delta_db": -0.07865981043306226,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.001819280533181824,
              "output_power": 0.0018725969435995987,
              "delta_db": 0.12544637740353234,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0015803116136899817,
              "output_power": 0.0016265571616916723,
              "delta_db": 0.12526598447679851,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0016111355972958136,
              "output_power": 0.0016828839522667286,
              "delta_db": 0.1892207578603378,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.002553265304867968,
              "output_power": 0.002600775039357847,
              "delta_db": 0.08006844566254462,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0022722881628369244,
              "output_power": 0.0021628081634685907,
              "delta_db": -0.21445405944756007,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.1355192392139726,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.017012029909338307,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 153,
          "expected_voiced_frames": 96,
          "expected_unvoiced_frames": 43,
          "boundary_frames": 14,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 96,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.11613293531472998,
          "abs_error_cents_p95": 0.25301102903100214,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -16.92852423174688,
        "output_peak": 0.6394955318703901,
        "reference_rms_dbfs": -16.911512201837546,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.3134957392333564
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "kind": "known_mixed",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 329988,
      "feature_f0_voiced_fraction": 0.6978193146417445,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 221,
        "valid_voiced_frames": 221,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 3,
        "abs_error_cents_p95": 2.9689658921606554
      },
      "status": "measured",
      "seconds": 0.27512828999897465,
      "rtf": 0.17195518124935916,
      "output_sha256": "efad7719f5b357cdd0ddfd79a15226ac535bdf9c517417834a663b8e689f7081",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 25600,
        "output_samples": 25600,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 4.866239158325298,
            "spectral_convergence": 0.46875393210735616,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.1356494948447747e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 3.4688982331113345,
            "spectral_convergence": 0.3813210492257931,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 8.004148315506265e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 6.391675911135797,
            "spectral_convergence": 0.38472738327617173,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.980781269652513e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.010527047873563372,
              "output_power": 0.012343406010356564,
              "delta_db": 0.6912841646122634,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.001819280533181824,
              "output_power": 0.0018709554113954443,
              "delta_db": 0.12163765052478648,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0015803116136899817,
              "output_power": 0.00155314652000522,
              "delta_db": -0.07530303811201235,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0016111355972958136,
              "output_power": 0.0016747835237306233,
              "delta_db": 0.16826586423494824,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.002553265304867968,
              "output_power": 0.00254435132187413,
              "delta_db": -0.015188657191613221,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0022722881628369244,
              "output_power": 0.002605577989260805,
              "delta_db": 0.594406707640666,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.27768101371938164,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.45110143606478503,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 153,
          "expected_voiced_frames": 96,
          "expected_unvoiced_frames": 43,
          "boundary_frames": 14,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 96,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.12145776258880056,
          "abs_error_cents_p95": 0.43879865620241676,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -16.460410765772757,
        "output_peak": 0.6005543002520913,
        "reference_rms_dbfs": -16.911512201837546,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 4.908937767524143
      }
    },
    {
      "case": "silence_16000",
      "kind": "silence",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 181638,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 161,
        "voiced_frames": 0,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 161,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.05944531699788058,
      "rtf": 0.07430664624735073,
      "output_sha256": "f627ca4c2c322f15db26152df306bd4f983f0146409b81a4341b9b340c365a16",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 12800,
        "output_samples": 12800,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 0,
          "band_count": 6,
          "active_band_mae_db": null,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "no_active_reference_bands"
        },
        "rms_gain_error_db": null,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -120.0,
        "output_peak": 0.0,
        "reference_rms_dbfs": -120.0,
        "rms_gain_status": "zero_reference_energy",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "silence_16000",
      "kind": "silence",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 165508,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.07051799599867081,
      "rtf": 0.08814749499833852,
      "output_sha256": "8056870de5412715443e888091b3c167ec3b575416fd08f17be5384c1e135d90",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 12800,
        "output_samples": 12800,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 20.568133218191495,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 14.687218847121514,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 8.986459599664917,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0,
              "output_power": 4.45979877582373e-19,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0,
              "output_power": 3.632676376326916e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0,
              "output_power": 7.858360644110332e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0,
              "output_power": 1.633582482519164e-17,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0,
              "output_power": 2.968310362281386e-17,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0,
              "output_power": 6.150065865828698e-17,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 0,
          "band_count": 6,
          "active_band_mae_db": null,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "no_active_reference_bands"
        },
        "rms_gain_error_db": null,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -120.0,
        "output_peak": 4.1752123755771e-08,
        "reference_rms_dbfs": -120.0,
        "rms_gain_status": "zero_reference_energy",
        "mr_stft_log_magnitude_mae_db": 14.74727055499264
      }
    },
    {
      "case": "impulse_16000",
      "kind": "transient_diagnostic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 181638,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 161,
        "voiced_frames": 0,
        "low_confidence_frames": 2,
        "unvoiced_or_unresolved_frames": 161,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.07936488699851907,
      "rtf": 0.09920610874814884,
      "output_sha256": "828052f984d507b9fcb091cdc42c56155cc236e1770136f92fbcfb48635aac25",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 12800,
        "output_samples": 12800,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 3.700051765133324,
            "spectral_convergence": 1.095801881862382,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.2500000000000002e-07
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 3.643419852097139,
            "spectral_convergence": 0.7053294107482425,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.1250000000000005e-08
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 3.808093107010104,
            "spectral_convergence": 0.49228622243305986,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.812500000000001e-09
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 4.8675537109375e-07,
              "output_power": 4.2830535074549966e-07,
              "delta_db": -0.5555725243633104,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 7.324218750000001e-07,
              "output_power": 1.2901912767726961e-06,
              "delta_db": 2.4589279446891625,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2207031250000002e-06,
              "output_power": 8.009498654431877e-07,
              "delta_db": -1.830047236083456,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 2.4414062500000005e-06,
              "output_power": 1.8506974249764955e-06,
              "delta_db": -1.2030463133684828,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 4.882812500000001e-06,
              "output_power": 4.293197749007056e-06,
              "delta_db": -0.5588915471533644,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 9.767150878906252e-06,
              "output_power": 1.1165189369368636e-05,
              "delta_db": 0.5809819683396775,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 1.1979112556662421,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0656050238971862,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -47.02709458586112,
        "output_peak": 0.10010901827443196,
        "reference_rms_dbfs": -47.092699609758306,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.717188241413522
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.302,
        "error_ms": 2.0000000000000018
      }
    },
    {
      "case": "impulse_16000",
      "kind": "transient_diagnostic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 165508,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.052103940997767495,
      "rtf": 0.06512992624720937,
      "output_sha256": "8744f0d4775b7a9c930f124e8ac76bfc18e64cd0b26cae0dab42f0e39e052c90",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 12800,
        "output_samples": 12800,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 1.1740483115704201,
            "spectral_convergence": 1.147226399358179,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.2500000000000002e-07
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 1.3957710139890627,
            "spectral_convergence": 0.8411173081950141,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.1250000000000005e-08
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 3.2085156167397675,
            "spectral_convergence": 0.8020616946526515,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.812500000000001e-09
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 4.8675537109375e-07,
              "output_power": 1.4042785808498647e-07,
              "delta_db": -5.3985748073339215,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 7.324218750000001e-07,
              "output_power": 8.790839807795513e-07,
              "delta_db": 0.7926905938780724,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2207031250000002e-06,
              "output_power": 2.7017920924719225e-06,
              "delta_db": 3.450418698994826,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 2.4414062500000005e-06,
              "output_power": 4.019255595781056e-06,
              "delta_db": 2.165055730470229,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 4.882812500000001e-06,
              "output_power": 1.3535874855416797e-05,
              "delta_db": 4.428162827909129,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 9.767150878906252e-06,
              "output_power": 2.2214684781638398e-05,
              "delta_db": 3.568722585665225,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 3.3006042073752337,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 3.4767054455679642,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -43.61599416419034,
        "output_peak": 0.1812799733453587,
        "reference_rms_dbfs": -47.092699609758306,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.9261116474330835
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.3016875,
        "error_ms": 1.6875000000000084
      }
    },
    {
      "case": "sine_120_24000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 1.939913440822279
      },
      "status": "measured",
      "seconds": 0.3865677869980573,
      "rtf": 0.3221398224983811,
      "output_sha256": "1b2c39036ad8a607331a8b888e04dbb9d9da316da56bffe46ef1ab239f66c880",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.36800650240224864,
            "spectral_convergence": 0.04341356569467531,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.941805906784142e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.7604933320720297,
            "spectral_convergence": 0.05027567843619873,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.261829024122929e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 1.4581823682541037,
            "spectral_convergence": 0.05298333133889587,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.2525420327602955e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.1223983612665257,
              "output_power": 0.11747336590638124,
              "delta_db": -0.17836190729883555,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 4.368160051241552e-08,
              "output_power": 0.0002057620555921083,
              "delta_db": 36.73066747206563,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2623987216046109e-11,
              "output_power": 1.814011124566059e-07,
              "delta_db": 41.5744340000949,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 1.9568859245163652e-13,
              "output_power": 8.325375353208518e-08,
              "delta_db": 49.20403822977444,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 4.937000892258482e-15,
              "output_power": 4.2587423752976075e-08,
              "delta_db": 46.29281369031082,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.415789296131094e-16,
              "output_power": 2.4496841765333426e-08,
              "delta_db": 43.8911009692368,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 2.279383746168836e-18,
              "output_power": 1.2240681552814066e-08,
              "delta_db": 40.87805599703802,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 1,
          "band_count": 7,
          "active_band_mae_db": 0.17836190729883555,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.17075047390621362,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 1.0400993278147384,
          "abs_error_cents_p95": 1.1899270912536823,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -9.292992890677695,
        "output_peak": 0.525509281005634,
        "reference_rms_dbfs": -9.122242416771481,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.8622274009094607
      }
    },
    {
      "case": "sine_120_24000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 0.016597510373443983,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 4,
        "missing_voiced_frames": 237,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 33.391592270067775
      },
      "status": "measured",
      "seconds": 0.1762606970005436,
      "rtf": 0.14688391416711966,
      "output_sha256": "d12981dbf471b817e10615b2f5504b8f083a1dc9c5e0ca33a6e3d6ec037ef297",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 3.3277619452687963,
            "spectral_convergence": 0.8088404626109441,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.941805906784142e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 7.264970930717285,
            "spectral_convergence": 1.0828768315155008,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.261829024122929e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 8.394820118534126,
            "spectral_convergence": 1.2006559651525366,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.2525420327602955e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.1223983612665257,
              "output_power": 0.013345898552427144,
              "delta_db": -9.624277840068139,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 4.368160051241552e-08,
              "output_power": 0.07090824636110038,
              "delta_db": 62.103982022045976,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2623987216046109e-11,
              "output_power": 0.0012721034140415733,
              "delta_db": 80.03325872101468,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 1.9568859245163652e-13,
              "output_power": 6.217733311552755e-07,
              "delta_db": 57.936320905272325,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 4.937000892258482e-15,
              "output_power": 1.0540200503473655e-07,
              "delta_db": 50.22848872425293,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.415789296131094e-16,
              "output_power": 5.095475061147612e-08,
              "delta_db": 47.071846803575646,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 2.279383746168836e-18,
              "output_power": 2.5208095025494392e-08,
              "delta_db": 44.01540027303759,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 1,
          "band_count": 7,
          "active_band_mae_db": 9.624277840068139,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -1.5567225726724752,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 113,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": 0.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -10.678964989443958,
        "output_peak": 1.4712038391995315,
        "reference_rms_dbfs": -9.122242416771481,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 6.3291843315067355
      }
    },
    {
      "case": "harmonic_110_24000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.4542265371316116
      },
      "status": "measured",
      "seconds": 0.3891429379982583,
      "rtf": 0.32428578166521527,
      "output_sha256": "2ea76af30317772313484fb67de19f2caf436915f26a4a3a35b778fc3ad0cd7c",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.3755671287451627,
            "spectral_convergence": 0.03949341989422712,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.9760446201103816e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.42571914060171306,
            "spectral_convergence": 0.04002656559239393,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5995360553994829e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.7462384676706237,
            "spectral_convergence": 0.040973805710119215,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5800497103829576e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.05147895748194521,
              "output_power": 0.04879502867028592,
              "delta_db": -0.23254165760480727,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.012842424267491583,
              "output_power": 0.013839564163599084,
              "delta_db": 0.324754001631146,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0019989077283542756,
              "output_power": 0.0020131157165096344,
              "delta_db": 0.030759923189456834,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0005740371316749717,
              "output_power": 0.0005755428800405068,
              "delta_db": 0.011376999836412573,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00020006846273392878,
              "output_power": 0.00020032490497980606,
              "delta_db": 0.005563102514702039,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.818816215187489e-05,
              "output_power": 4.803336785762007e-05,
              "delta_db": -0.013973248151941765,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 6.9343892095099854e-18,
              "output_power": 6.912572789947175e-09,
              "delta_db": 38.39639717492639,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 7,
          "active_band_mae_db": 0.10316148882141109,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.10944981626587982,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.020426069137995048,
          "abs_error_cents_p95": 0.03933774348220592,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.839469354080322,
        "output_peak": 0.6196478019410303,
        "reference_rms_dbfs": -11.730019537814442,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.5158415790058332
      }
    },
    {
      "case": "harmonic_110_24000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.7900548115577911
      },
      "status": "measured",
      "seconds": 0.31007601899909787,
      "rtf": 0.25839668249924824,
      "output_sha256": "33b51322f80ce03467933c4706f0fb4698ba1952fc17b6e9b13a3d1a6e362d38",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 9.969253292717525,
            "spectral_convergence": 0.5157747623602679,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.9760446201103816e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 2.086038204053871,
            "spectral_convergence": 0.11830436101617506,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5995360553994829e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 3.1619201225067908,
            "spectral_convergence": 0.07949782420638846,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5800497103829576e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.05147895748194521,
              "output_power": 0.06083897395013162,
              "delta_db": 0.72552137787559,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.012842424267491583,
              "output_power": 0.012597012328747043,
              "delta_db": -0.08379458941014425,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0019989077283542756,
              "output_power": 0.0019118462693420483,
              "delta_db": -0.19339779169578003,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0005740371316749717,
              "output_power": 0.0005479051630121262,
              "delta_db": -0.20234592816466165,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00020006846273392878,
              "output_power": 0.00019136438981457653,
              "delta_db": -0.19317510216399592,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.818816215187489e-05,
              "output_power": 4.889927519794903e-05,
              "delta_db": 0.06362058846049157,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 6.9343892095099854e-18,
              "output_power": 2.362676895726519e-10,
              "delta_db": 23.73404334413832,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 7,
          "active_band_mae_db": 0.24364256296177725,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.545920192829333,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.021094446453162708,
          "abs_error_cents_p95": 0.09457589510833073,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.18409934498511,
        "output_peak": 0.5585038062361571,
        "reference_rms_dbfs": -11.730019537814442,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 5.072403873092729
      }
    },
    {
      "case": "harmonic_220_24000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.2848684595967218
      },
      "status": "measured",
      "seconds": 0.30565169699912076,
      "rtf": 0.25470974749926734,
      "output_sha256": "be758dac8dbc5e24b1a062a1e50ed566399d36d12ca42b84b7c8db48d23fe859",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.279550442272826,
            "spectral_convergence": 0.030108609253046065,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8829075025078097e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.544793503846573,
            "spectral_convergence": 0.028902409307865765,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4859895249142301e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 2.340172613378569,
            "spectral_convergence": 0.03148699811028946,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4840915451321505e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.491151368241255e-05,
              "output_power": 6.773173605246937e-05,
              "delta_db": 0.9112879171147746,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.061842179029333574,
              "output_power": 0.06062903921417312,
              "delta_db": -0.08604097644320963,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0044993993032403385,
              "output_power": 0.004539357365396225,
              "delta_db": 0.03839837620667085,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0020639838015985745,
              "output_power": 0.0020663652388355153,
              "delta_db": 0.0050080279195946755,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005923905147946086,
              "output_power": 0.0005922175113844935,
              "delta_db": -0.0012685111908270668,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.00014629106162114991,
              "output_power": 0.00014567686574312624,
              "delta_db": -0.018272025733381717,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 2.135938879727136e-18,
              "output_power": 2.7216935251816466e-09,
              "delta_db": 34.348392201266776,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 7,
          "active_band_mae_db": 0.17671263910140977,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.0733399422404483,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.07328344975258622,
          "abs_error_cents_p95": 0.12822027031019628,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.672332015545283,
        "output_peak": 0.6139065625622956,
        "reference_rms_dbfs": -11.598992073304835,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.0548388531659894
      }
    },
    {
      "case": "harmonic_220_24000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.018843352012999765
      },
      "status": "measured",
      "seconds": 0.25956934900023043,
      "rtf": 0.21630779083352536,
      "output_sha256": "151d610ca3f8502ee1b5278bbfd38859c8928a51e7b5874a9e7c09a1c03c1ccd",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 4.965234736890866,
            "spectral_convergence": 0.36298662742609594,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8829075025078097e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 1.4493901372155968,
            "spectral_convergence": 0.07802952282476945,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4859895249142301e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 6.634863535136613,
            "spectral_convergence": 0.07640672960011378,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4840915451321505e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.491151368241255e-05,
              "output_power": 8.781279983978786e-05,
              "delta_db": 2.0389440893112,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.061842179029333574,
              "output_power": 0.07108642109535133,
              "delta_db": 0.6050186617634632,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0044993993032403385,
              "output_power": 0.00429880047944142,
              "delta_db": -0.1980724808907455,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0020639838015985745,
              "output_power": 0.0019842676619938916,
              "delta_db": -0.17106029915407286,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005923905147946086,
              "output_power": 0.0005703948282863442,
              "delta_db": -0.16432516936265285,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.00014629106162114991,
              "output_power": 0.00015374464073353305,
              "delta_db": 0.2158219441520476,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 2.135938879727136e-18,
              "output_power": 1.6282388066152707e-10,
              "delta_db": 22.117181012837488,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 7,
          "active_band_mae_db": 0.5655404407723637,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.5300288190571628,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.051558193299894466,
          "abs_error_cents_p95": 0.1608966769951734,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.06896325424767,
        "output_peak": 0.5953506384535437,
        "reference_rms_dbfs": -11.598992073304835,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 4.349829469747692
      }
    },
    {
      "case": "missing_fundamental_150_24000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.10271935429446938
      },
      "status": "measured",
      "seconds": 0.3703796500012686,
      "rtf": 0.30864970833439054,
      "output_sha256": "20c1fe2cbc942307c0e8b152a1b673400c8dedebda0b7dbc99707329329914ec",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.4647342009484782,
            "spectral_convergence": 0.04290037684732257,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.6789106478412106e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 2.510042443865479,
            "spectral_convergence": 0.04147097284073979,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.59693716728409e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 3.0546162075020744,
            "spectral_convergence": 0.0408233694795392,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.59693716728388e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.0390810256231928e-09,
              "output_power": 3.112950223365231e-05,
              "delta_db": 41.83737692895498,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.026052876569692504,
              "output_power": 0.024964592817136984,
              "delta_db": -0.1853119500434499,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00939908553778103,
              "output_power": 0.009452050531864441,
              "delta_db": 0.024404327789639788,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005735985755836545,
              "output_power": 0.005740987690572762,
              "delta_db": 0.0037855150618939007,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0006887453396994243,
              "output_power": 0.0006901525539333537,
              "delta_db": 0.008864261692489838,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.42139458684016e-15,
              "output_power": 1.3272564993880595e-10,
              "delta_db": 21.22954860697285,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 1.550662980281035e-17,
              "output_power": 3.222087803435288e-11,
              "delta_db": 15.08137370977013,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 4,
          "band_count": 7,
          "active_band_mae_db": 0.05559151364686836,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.10473059559442678,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.03415176991135373,
          "abs_error_cents_p95": 0.03630796304373191,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -13.88500658156122,
        "output_peak": 0.6341837877934339,
        "reference_rms_dbfs": -13.78027598596679,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 2.0097976174386774
      }
    },
    {
      "case": "missing_fundamental_150_24000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 241,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.155644531998405,
      "rtf": 0.1297037766653375,
      "output_sha256": "0cec017ae443af5c64b7c0bcc4b6f055aa4830f50c9396c6e2ff1350c9fbc8fd",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 5.148533727260544,
            "spectral_convergence": 0.8251145636837949,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.6789106478412106e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 7.089186916021067,
            "spectral_convergence": 0.7242474565167426,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.59693716728409e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 14.902550665810207,
            "spectral_convergence": 1.1256180174060042,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.59693716728388e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.0390810256231928e-09,
              "output_power": 0.003899754205487618,
              "delta_db": 62.816027516913664,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.026052876569692504,
              "output_power": 0.023846661068263778,
              "delta_db": -0.3842810279471482,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00939908553778103,
              "output_power": 0.012709597607453528,
              "delta_db": 1.3104619879878427,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005735985755836545,
              "output_power": 0.005664671087280408,
              "delta_db": -0.054333660647481824,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0006887453396994243,
              "output_power": 0.0015899910581279105,
              "delta_db": 3.6333600864413107,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.42139458684016e-15,
              "output_power": 1.9856726164664887e-09,
              "delta_db": 32.979076466858935,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 1.550662980281035e-17,
              "output_power": 7.93007739982116e-10,
              "delta_db": 28.992774261765177,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 4,
          "band_count": 7,
          "active_band_mae_db": 1.3456091907559458,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.566431850362976,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 113,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": 0.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -13.213844135603814,
        "output_peak": 1.140977003783457,
        "reference_rms_dbfs": -13.78027598596679,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 9.046757103030606
      }
    },
    {
      "case": "harmonic_sweep_90_240_24000",
      "kind": "known_periodic_sweep",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 339138,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 301,
        "voiced_frames": 301,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 301,
        "valid_voiced_frames": 301,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 2.7425454208167035
      },
      "status": "measured",
      "seconds": 0.4392040429993358,
      "rtf": 0.29280269533289055,
      "output_sha256": "4c97a5d306e81e29e35accac22c4f862498b159594594fc64fe121348188dd8e",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 36000,
        "output_samples": 36000,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.6714520133734622,
            "spectral_convergence": 0.03582201202797786,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.55320470668471e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 1.0729955017370492,
            "spectral_convergence": 0.03407439237711458,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8136621563529383e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 2.5039886056557568,
            "spectral_convergence": 0.032941094218654786,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.7818710827781096e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.04239361340416796,
              "output_power": 0.04100687968029807,
              "delta_db": -0.14443711124985667,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.03106500151487297,
              "output_power": 0.031158302338638973,
              "delta_db": 0.013024079654092507,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0030728431524343755,
              "output_power": 0.00310998341082624,
              "delta_db": 0.052176793655851976,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.000991105398187423,
              "output_power": 0.0009869089954459222,
              "delta_db": -0.018427341020214476,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00024487204538874196,
              "output_power": 0.00024342274738930358,
              "delta_db": -0.025780490859471393,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.135676467453045e-05,
              "output_power": 1.105119601842552e-05,
              "delta_db": -0.11845344594402049,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 3.2406827864853453e-18,
              "output_power": 2.1757519533425878e-08,
              "delta_db": 43.37609382094641,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 7,
          "active_band_mae_db": 0.06204987706391792,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.07105700864167247,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 143,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 143,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.8356842969966524,
          "abs_error_cents_p95": 3.2356246939866486,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.162445055642053,
        "output_peak": 0.612692109891508,
        "reference_rms_dbfs": -11.091388047000379,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.416145373588756
      }
    },
    {
      "case": "harmonic_sweep_90_240_24000",
      "kind": "known_periodic_sweep",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 309428,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 301,
        "valid_voiced_frames": 301,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.2864226817771052
      },
      "status": "measured",
      "seconds": 0.33612821499991696,
      "rtf": 0.2240854766666113,
      "output_sha256": "a1914fc2c38d6d4c01ce647b37ea26b8eed5aa35fd679e582d1bd5821647c92b",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 36000,
        "output_samples": 36000,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 4.474096901223107,
            "spectral_convergence": 0.4023506604232822,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.55320470668471e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 2.958812475736727,
            "spectral_convergence": 0.1156078358987256,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8136621563529383e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 2.953166185128354,
            "spectral_convergence": 0.08590713692177124,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.7818710827781096e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.04239361340416796,
              "output_power": 0.050372305113511394,
              "delta_db": 0.7489139021279558,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.03106500151487297,
              "output_power": 0.03519448721108646,
              "delta_db": 0.5420326272282628,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0030728431524343755,
              "output_power": 0.0029431717399976756,
              "delta_db": -0.187247882711631,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.000991105398187423,
              "output_power": 0.0009563465631640012,
              "delta_db": -0.15504540110217485,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00024487204538874196,
              "output_power": 0.00024750786520126827,
              "delta_db": 0.04649795453496196,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.135676467453045e-05,
              "output_power": 1.8199244057912338e-05,
              "delta_db": 2.0479872228079947,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 3.2406827864853453e-18,
              "output_power": 6.536224751255763e-10,
              "delta_db": 28.153269772073468,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 7,
          "active_band_mae_db": 0.6212874984188302,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.6208624138068626,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 143,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 143,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.9951866083957747,
          "abs_error_cents_p95": 3.788539244933163,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -10.470525633193517,
        "output_peak": 0.6059883442977572,
        "reference_rms_dbfs": -11.091388047000379,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.462025187362729
      }
    },
    {
      "case": "pulse_iir_vowel_90_24000",
      "kind": "known_source_filter",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.26368301817633927
      },
      "status": "measured",
      "seconds": 0.4210582029991201,
      "rtf": 0.35088183583260013,
      "output_sha256": "6c4639a2bf8ff8a5148496189d0179283775145a3ddf6306b66585e4061af388",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.9735312159416605,
            "spectral_convergence": 0.07191070322367861,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5469380564580222e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.5710590795690105,
            "spectral_convergence": 0.05083762357948304,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.554453537804852e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 1.4843665837356854,
            "spectral_convergence": 0.05932772882340563,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.593378972549988e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.000253091636230152,
              "output_power": 0.00027501615655096143,
              "delta_db": 0.3608041483477073,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0008666933732315855,
              "output_power": 0.0009023842132243775,
              "delta_db": 0.1752601298822078,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.01924727343304346,
              "output_power": 0.01897962313294437,
              "delta_db": -0.06081631435571225,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005429834188185286,
              "output_power": 0.005394435122341117,
              "delta_db": -0.02840593360646775,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.6911704595528546e-05,
              "output_power": 2.6421600356768195e-05,
              "delta_db": -0.07982087680037234,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 7.567305096100016e-10,
              "output_power": 8.432113545050804e-10,
              "delta_db": 0.4699520196353251,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 1.9946245986022405e-13,
              "output_power": 4.078487501036082e-12,
              "delta_db": 6.104991357030375,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 5,
          "band_count": 7,
          "active_band_mae_db": 0.14102148059849345,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.041556714393143866,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.015524860578516196,
          "abs_error_cents_p95": 0.09566330580018369,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.921354362665493,
        "output_peak": 0.626147917264472,
        "reference_rms_dbfs": -15.879797648272351,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.0096522930821188
      }
    },
    {
      "case": "pulse_iir_vowel_90_24000",
      "kind": "known_source_filter",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 247748,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 1.4211330131255187
      },
      "status": "measured",
      "seconds": 0.38542322799912654,
      "rtf": 0.3211860233326055,
      "output_sha256": "60679926db9ab1567b7d289f5a6b714740e23562b595b2c8d162ff856dd911d3",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 3.367151930631433,
            "spectral_convergence": 0.1655873423184784,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5469380564580222e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 4.049773392565051,
            "spectral_convergence": 0.11980955768816985,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.554453537804852e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 2.285093646817108,
            "spectral_convergence": 0.11294879847975538,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.593378972549988e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.000253091636230152,
              "output_power": 0.0002024516774726605,
              "delta_db": -0.9695641392865123,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0008666933732315855,
              "output_power": 0.0008271217407812557,
              "delta_db": -0.20296039599249557,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.01924727343304346,
              "output_power": 0.022166863580130286,
              "delta_db": 0.6133503245464227,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005429834188185286,
              "output_power": 0.006073636134343933,
              "delta_db": 0.4866220253664284,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.6911704595528546e-05,
              "output_power": 2.756161648768299e-05,
              "delta_db": 0.10363478357072767,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 7.567305096100016e-10,
              "output_power": 1.1701789617317236e-09,
              "delta_db": 1.8931104174355673,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 1.9946245986022405e-13,
              "output_power": 2.5433077548882924e-10,
              "delta_db": 24.053989154894527,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 5,
          "band_count": 7,
          "active_band_mae_db": 0.4752263337525173,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.5481234633763822,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.01134233736489489,
          "abs_error_cents_p95": 0.20163637667693898,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.33167418489597,
        "output_peak": 0.6306761400210698,
        "reference_rms_dbfs": -15.879797648272351,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.234006323337864
      }
    },
    {
      "case": "am_noise_6hz_24000",
      "kind": "known_unvoiced",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 339138,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 301,
        "voiced_frames": 0,
        "low_confidence_frames": 301,
        "unvoiced_or_unresolved_frames": 301,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.15204257799996412,
      "rtf": 0.10136171866664274,
      "output_sha256": "c84d6d63f16a21410bf8556e653282e980e96d82e034cc6dfc1f0f8010488186",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 36000,
        "output_samples": 36000,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 5.564391138943704,
            "spectral_convergence": 0.6210602342738849,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.631656165540323e-07
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 5.694806071647023,
            "spectral_convergence": 0.6015086538879156,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.5855187109493593e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 6.078096547195217,
            "spectral_convergence": 0.6378845286210972,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.0674113225451663e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 1.1631862164563455e-06,
              "output_power": 2.2980520022630446e-05,
              "delta_db": 12.95710604810694,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0003336513722501128,
              "output_power": 0.00028948024972879504,
              "delta_db": -0.6167397675689548,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.000950264796862024,
              "output_power": 0.0009703786612420764,
              "delta_db": 0.09096596909968861,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0018267199561446922,
              "output_power": 0.0019641729951361203,
              "delta_db": 0.3150776247050684,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.003672192455577471,
              "output_power": 0.003767826617981,
              "delta_db": 0.111654758657811,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0038056228070004667,
              "output_power": 0.0037985931551910036,
              "delta_db": -0.00802959798986034,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 6.833598729632565e-06,
              "output_power": 6.982190179729809e-06,
              "delta_db": 0.09342200532496632,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 7,
          "band_count": 7,
          "active_band_mae_db": 2.0275708244933273,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.09083574932644312,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 143,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -19.657561067323172,
        "output_peak": 0.6305799598645596,
        "reference_rms_dbfs": -19.748396816649617,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 5.779097919261981
      }
    },
    {
      "case": "am_noise_6hz_24000",
      "kind": "known_unvoiced",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 309428,
      "feature_f0_voiced_fraction": 0.0033222591362126247,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 1,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.204292162998172,
      "rtf": 0.13619477533211466,
      "output_sha256": "a82e2b5e7b3d86f71583fd9d4feeda6ce63480deee7e5765ebd9672cec75531a",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 36000,
        "output_samples": 36000,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 5.5883038175515765,
            "spectral_convergence": 0.6346112388699701,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.631656165540323e-07
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 5.88743220302194,
            "spectral_convergence": 0.6429787622529188,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.5855187109493593e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 6.077818646865738,
            "spectral_convergence": 0.6562476691081083,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.0674113225451663e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 1.1631862164563455e-06,
              "output_power": 4.1103676596773504e-05,
              "delta_db": 15.482314226766487,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0003336513722501128,
              "output_power": 0.00035924559525681596,
              "delta_db": 0.32098536546246537,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.000950264796862024,
              "output_power": 0.0009619904448220934,
              "delta_db": 0.053261174762845524,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0018267199561446922,
              "output_power": 0.0019053852718403915,
              "delta_db": 0.183108306209422,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.003672192455577471,
              "output_power": 0.0038211999729018133,
              "delta_db": 0.17274331970949247,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0038056228070004667,
              "output_power": 0.0037892648830554873,
              "delta_db": -0.018707760745829076,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 6.833598729632565e-06,
              "output_power": 7.0266812739951216e-06,
              "delta_db": 0.12100781302113923,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 7,
          "band_count": 7,
          "active_band_mae_db": 2.336018280953955,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.11676753994945589,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 143,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -19.63162927670016,
        "output_peak": 0.5648240652626947,
        "reference_rms_dbfs": -19.748396816649617,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 5.851184889146418
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_24000",
      "kind": "known_mixed",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 361638,
      "feature_f0_voiced_fraction": 0.6978193146417445,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 321,
        "voiced_frames": 224,
        "low_confidence_frames": 98,
        "unvoiced_or_unresolved_frames": 97,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 221,
        "valid_voiced_frames": 221,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 3,
        "abs_error_cents_p95": 0.9444833305346164
      },
      "status": "measured",
      "seconds": 0.3892926139997144,
      "rtf": 0.24330788374982149,
      "output_sha256": "19fa7de436ed77e6d5e80ecbffb2b9ba43b09aa8f8f03f01ce9e0be90761d3fd",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 38400,
        "output_samples": 38400,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 2.796560657883991,
            "spectral_convergence": 0.2931122240779334,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4829081495669723e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 2.74963609249706,
            "spectral_convergence": 0.30697000377389244,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.0451655225896614e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 2.9168530750348083,
            "spectral_convergence": 0.3198728205484356,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.0421143003023435e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.017949668611672003,
              "output_power": 0.017360824496818507,
              "delta_db": -0.14486088248943155,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.00305335715464887,
              "output_power": 0.00326850055035423,
              "delta_db": 0.2957095524100224,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0023364217946556785,
              "output_power": 0.0023482874461617847,
              "delta_db": 0.022000076112311112,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0018669016013489377,
              "output_power": 0.001938817122094977,
              "delta_db": 0.16415418188382236,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0027969227390688516,
              "output_power": 0.002723620834180931,
              "delta_db": -0.11533822152829207,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0029185612082491936,
              "output_power": 0.002747052985493242,
              "delta_db": -0.26301769566554506,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 1.956235821234014e-05,
              "output_power": 2.2332749226115203e-05,
              "delta_db": 0.5752098212859453,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 7,
          "band_count": 7,
          "active_band_mae_db": 0.22575577591076712,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.07531528593464519,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 153,
          "expected_voiced_frames": 96,
          "expected_unvoiced_frames": 43,
          "boundary_frames": 14,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 96,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.049801012675507114,
          "abs_error_cents_p95": 0.1624468891020226,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.169916319540047,
        "output_peak": 0.6665236219034536,
        "reference_rms_dbfs": -15.094601033605402,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 2.8210166084719535
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_24000",
      "kind": "known_mixed",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 329988,
      "feature_f0_voiced_fraction": 0.7040498442367601,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 221,
        "valid_voiced_frames": 221,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 5,
        "abs_error_cents_p95": 2.1819441646369855
      },
      "status": "measured",
      "seconds": 0.3145251569985703,
      "rtf": 0.19657822312410644,
      "output_sha256": "c77ff75a8a5f0a819304d45ab3da4c00937cf155422f1321e406f7043031e76d",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 38400,
        "output_samples": 38400,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 5.153931826740202,
            "spectral_convergence": 0.49535894123029367,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4829081495669723e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 3.2487570696120893,
            "spectral_convergence": 0.3382019953025722,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.0451655225896614e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 5.124694989138944,
            "spectral_convergence": 0.3413116772246462,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.0421143003023435e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.017949668611672003,
              "output_power": 0.02125856846666943,
              "delta_db": 0.7347758115668203,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.00305335715464887,
              "output_power": 0.00307487717421975,
              "delta_db": 0.03050165403455026,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0023364217946556785,
              "output_power": 0.00232640842191382,
              "delta_db": -0.018652873941881264,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0018669016013489377,
              "output_power": 0.0018092436625063984,
              "delta_db": -0.13624368187597127,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0027969227390688516,
              "output_power": 0.0029434668669402995,
              "delta_db": 0.22178681768442016,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0029185612082491936,
              "output_power": 0.003127782418719587,
              "delta_db": 0.3006772835322479,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 1.956235821234014e-05,
              "output_power": 2.256167518063155e-05,
              "delta_db": 0.6195013527411392,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 7,
          "band_count": 7,
          "active_band_mae_db": 0.29459135362529004,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.480703873175345,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 153,
          "expected_voiced_frames": 96,
          "expected_unvoiced_frames": 43,
          "boundary_frames": 14,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 96,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.06630774395975517,
          "abs_error_cents_p95": 0.27570547700056514,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -14.613897160430058,
        "output_peak": 0.716965712242369,
        "reference_rms_dbfs": -15.094601033605402,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 4.509127961830412
      }
    },
    {
      "case": "silence_24000",
      "kind": "silence",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 181638,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 161,
        "voiced_frames": 0,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 161,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.07566492899786681,
      "rtf": 0.09458116124733351,
      "output_sha256": "0c5cc90b079d0d9c1ded1376357d23a9782a704a83e01731f50ccd162e246492",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 0,
          "band_count": 7,
          "active_band_mae_db": null,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "no_active_reference_bands"
        },
        "rms_gain_error_db": null,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -120.0,
        "output_peak": 0.0,
        "reference_rms_dbfs": -120.0,
        "rms_gain_status": "zero_reference_energy",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "silence_24000",
      "kind": "silence",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 165508,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.07452046499747667,
      "rtf": 0.09315058124684583,
      "output_sha256": "2d361c2cf80dabe49975b379a3e598122144ae11bb6672dfdf5cc1ef8e5e24f8",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 19.028678728571307,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 13.158867190328365,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 7.501575546213296,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0,
              "output_power": 3.455918808987866e-19,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0,
              "output_power": 2.6616980211908185e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0,
              "output_power": 4.9668902825171075e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0,
              "output_power": 9.944557714436772e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0,
              "output_power": 2.109986247351003e-17,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0,
              "output_power": 4.196468107394715e-17,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 0.0,
              "output_power": 4.0945970334981966e-17,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 0,
          "band_count": 7,
          "active_band_mae_db": null,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "no_active_reference_bands"
        },
        "rms_gain_error_db": null,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -120.0,
        "output_peak": 4.209181639406699e-08,
        "reference_rms_dbfs": -120.0,
        "rms_gain_status": "zero_reference_energy",
        "mr_stft_log_magnitude_mae_db": 13.229707155037657
      }
    },
    {
      "case": "impulse_24000",
      "kind": "transient_diagnostic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 181638,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 161,
        "voiced_frames": 0,
        "low_confidence_frames": 2,
        "unvoiced_or_unresolved_frames": 161,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.08377778399881208,
      "rtf": 0.1047222299985151,
      "output_sha256": "5d7f9084eb79a70c7a3fbcb61bbbfd5b413114f181a4d845b2c4b51eaf40ec15",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 2.800639660852077,
            "spectral_convergence": 1.0295402576089954,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 8.333333333333335e-08
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 2.767080380809246,
            "spectral_convergence": 0.6091404288762573,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.0833333333333338e-08
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 3.589031913133235,
            "spectral_convergence": 0.4835869451683356,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 5.2083333333333345e-09
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.1633572048611113e-07,
              "output_power": 1.0773737818806948e-07,
              "delta_db": -3.0276183163184562,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 3.2552083333333327e-07,
              "output_power": 6.343229626665998e-07,
              "delta_db": 2.8973164462180847,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 5.425347222222223e-07,
              "output_power": 5.638847179562375e-07,
              "delta_db": 0.1676278651907165,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 1.0850694444444447e-06,
              "output_power": 1.0615653537335065e-06,
              "delta_db": -0.09510797885031416,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.1701388888888893e-06,
              "output_power": 1.9608582208507842e-06,
              "delta_db": -0.4404133628837051,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.340277777777779e-06,
              "output_power": 4.673597516413615e-06,
              "delta_db": 0.3213378359321539,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 4.340955946180557e-06,
              "output_power": 4.945052554401919e-06,
              "delta_db": 0.5658553303677045,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 7,
          "band_count": 7,
          "active_band_mae_db": 1.073611019394448,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.2984260336274502,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -48.55518616668767,
        "output_peak": 0.08195186788116472,
        "reference_rms_dbfs": -48.85361220031512,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.052250651598186
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.3004583333333333,
        "error_ms": 0.45833333333333837
      }
    },
    {
      "case": "impulse_24000",
      "kind": "transient_diagnostic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 165508,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.0657671320004738,
      "rtf": 0.08220891500059224,
      "output_sha256": "35f4de69e5274a30e85211c2940a23948c0d677df06139ec932ccdc58097c617",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 1.1681951312607597,
            "spectral_convergence": 1.1045854011877658,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 8.333333333333335e-08
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 1.4019153298638243,
            "spectral_convergence": 0.7580984964560649,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.0833333333333338e-08
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 3.1798645861167447,
            "spectral_convergence": 0.7182694836670888,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 5.2083333333333345e-09
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.1633572048611113e-07,
              "output_power": 4.67786699713638e-08,
              "delta_db": -6.650803646965486,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 3.2552083333333327e-07,
              "output_power": 3.2494238652554516e-07,
              "delta_db": -0.007724228372952574,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 5.425347222222223e-07,
              "output_power": 6.4615943972178e-07,
              "delta_db": 0.7591215504426418,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 1.0850694444444447e-06,
              "output_power": 1.981864728537747e-06,
              "delta_db": 2.616164746267436,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.1701388888888893e-06,
              "output_power": 4.998715943047576e-06,
              "delta_db": 3.623709286576301,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.340277777777779e-06,
              "output_power": 6.877226010207271e-06,
              "delta_db": 1.9989577179539144,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 4.340955946180557e-06,
              "output_power": 1.085849401373254e-05,
              "delta_db": 3.981842177977302,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 7,
          "band_count": 7,
          "active_band_mae_db": 2.805474764936576,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 2.958715744881248,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -45.89489645543387,
        "output_peak": 0.17285704611746683,
        "reference_rms_dbfs": -48.85361220031512,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.9166583490804427
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.301,
        "error_ms": 1.0000000000000009
      }
    },
    {
      "case": "sine_120_48000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 1.9458393700437047
      },
      "status": "measured",
      "seconds": 0.6781689790004748,
      "rtf": 0.565140815833729,
      "output_sha256": "fbd9ddb85c0c57278852940f06a0035e4198e4d8f5cea8fa686f7984c6cd696a",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.353416874328583,
            "spectral_convergence": 0.10341656256527743,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.941805880114473e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.5732884526719616,
            "spectral_convergence": 0.10836338859205549,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.2618290244702303e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 1.0496423846150904,
            "spectral_convergence": 0.10975903505323395,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.252542032765538e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.12239780857734177,
              "output_power": 0.0999622118090232,
              "delta_db": -0.8793778527064591,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 4.3839185584805135e-08,
              "output_power": 0.000242586822759396,
              "delta_db": 37.43004728912765,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2501389969226049e-11,
              "output_power": 3.867518068737549e-06,
              "delta_db": 54.90474048565061,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 1.9138815548273091e-13,
              "output_power": 1.1965124121927948e-07,
              "delta_db": 50.779172081888035,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 4.8072606896262115e-15,
              "output_power": 5.011822704333315e-08,
              "delta_db": 46.99995699215244,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.413952508919099e-16,
              "output_power": 2.5017397891960606e-08,
              "delta_db": 43.982421358957005,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 4.225800834967686e-18,
              "output_power": 1.4317953429410962e-08,
              "delta_db": 41.55880945497465,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 6.810009625368615e-20,
              "output_power": 7.146102508765072e-09,
              "delta_db": 38.54069241739317,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 1,
          "band_count": 8,
          "active_band_mae_db": 0.8793778527064591,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.8686757921947897,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 1.5687794494640412,
          "abs_error_cents_p95": 1.751439739657668,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -9.990937813962052,
        "output_peak": 0.4714601690854015,
        "reference_rms_dbfs": -9.122262021767263,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.6587825705385449
      }
    },
    {
      "case": "sine_120_48000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 494532,
      "feature_f0_voiced_fraction": 0.012448132780082987,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 3,
        "missing_voiced_frames": 238,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 35.39669512186962
      },
      "status": "measured",
      "seconds": 0.20285480700113112,
      "rtf": 0.1690456725009426,
      "output_sha256": "49b51c9536f0f6e12d1c2db667da27b68d77918c52356fcc2f772ab1b8f7a130",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 1.7747063305436737,
            "spectral_convergence": 0.8181459929057389,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.941805880114473e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 3.776170308420204,
            "spectral_convergence": 1.0923749870882447,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.2618290244702303e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 4.152727580850237,
            "spectral_convergence": 1.2087176649274747,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.252542032765538e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.12239780857734177,
              "output_power": 0.014029867883876536,
              "delta_db": -9.407200608333733,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 4.3839185584805135e-08,
              "output_power": 0.07357760260776489,
              "delta_db": 62.24883155512978,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2501389969226049e-11,
              "output_power": 0.00131853715974355,
              "delta_db": 80.23134071028791,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 1.9138815548273091e-13,
              "output_power": 4.5237157494292736e-07,
              "delta_db": 56.55495307939372,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 4.8072606896262115e-15,
              "output_power": 2.5376443801920317e-08,
              "delta_db": 44.04430760965365,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.413952508919099e-16,
              "output_power": 4.974355833762239e-09,
              "delta_db": 36.96736848708746,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 4.225800834967686e-18,
              "output_power": 2.558766400542249e-09,
              "delta_db": 34.080306393118605,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 6.810009625368615e-20,
              "output_power": 1.2700357374399165e-09,
              "delta_db": 31.038159417075985,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 1,
          "band_count": 8,
          "active_band_mae_db": 9.407200608333733,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -1.387426265971619,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 113,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": 0.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -10.50968828773888,
        "output_peak": 1.4810724048631574,
        "reference_rms_dbfs": -9.122262021767263,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.234534739938038
      }
    },
    {
      "case": "harmonic_110_48000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.42905878225587296
      },
      "status": "measured",
      "seconds": 0.6417235749977408,
      "rtf": 0.5347696458314507,
      "output_sha256": "6dc297a986610f531e4b7901baa7ac0a11f7e338b8f105b994c639611b8d6f5a",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.2543294897297375,
            "spectral_convergence": 0.06277032000058351,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.976031976226823e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.35499803494843096,
            "spectral_convergence": 0.06646805752277819,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5995292608606799e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.6338883550643821,
            "spectral_convergence": 0.06633582975596532,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5800429985876247e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.051478291260778665,
              "output_power": 0.04572564470962325,
              "delta_db": -0.514642852284256,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.01284224448528195,
              "output_power": 0.014663349445982708,
              "delta_db": 0.5759225090088331,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0019988789077755287,
              "output_power": 0.0020306386913260303,
              "delta_db": 0.06846171550042635,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.000574029237132317,
              "output_power": 0.0005764421012467839,
              "delta_db": 0.018216796402700734,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00020006592032709576,
              "output_power": 0.00020039597041521929,
              "delta_db": 0.0071586819016882354,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.818756876905675e-05,
              "output_power": 4.802598017904927e-05,
              "delta_db": -0.014587778899687542,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.18414332675984e-17,
              "output_power": 7.715701298633964e-09,
              "delta_db": 38.8737540626241,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 1.9747985191787345e-19,
              "output_power": 3.9327771652093985e-09,
              "delta_db": 35.9469933957995,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 8,
          "active_band_mae_db": 0.19983172233293198,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.25969494099295864,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.00327398613986,
          "abs_error_cents_p95": 0.026488705838978333,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.989771778385126,
        "output_peak": 0.6018817540974476,
        "reference_rms_dbfs": -11.730076837392167,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.41440529324751685
      }
    },
    {
      "case": "harmonic_110_48000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 494532,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.7888917369311926
      },
      "status": "measured",
      "seconds": 0.4751969149983779,
      "rtf": 0.39599742916531494,
      "output_sha256": "3816416d9e66a14afcf995f496aa9c97a598cbd7a1563e0ac2abd528c051de64",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 5.036251686811312,
            "spectral_convergence": 0.5117117165928537,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.976031976226823e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 1.149089819088135,
            "spectral_convergence": 0.11921116264449252,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5995292608606799e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 1.8689565520471143,
            "spectral_convergence": 0.07943041142239844,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5800429985876247e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.051478291260778665,
              "output_power": 0.060829683394021596,
              "delta_db": 0.7249143329183728,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.01284224448528195,
              "output_power": 0.012599194265960036,
              "delta_db": -0.0829816123906711,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0019988789077755287,
              "output_power": 0.0019115368872421683,
              "delta_db": -0.1940380223675941,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.000574029237132317,
              "output_power": 0.0005479367470161564,
              "delta_db": -0.20203585874631147,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00020006592032709576,
              "output_power": 0.00019136300674962273,
              "delta_db": -0.19315130130886654,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.818756876905675e-05,
              "output_power": 4.869224158182012e-05,
              "delta_db": 0.045247528777702176,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.18414332675984e-17,
              "output_power": 1.9389778535810125e-10,
              "delta_db": 22.87572848726726,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 1.9747985191787345e-19,
              "output_power": 8.38878686815418e-11,
              "delta_db": 19.23699160523587,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 8,
          "active_band_mae_db": 0.2403947760849197,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.5455442491611537,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.009845554414006214,
          "abs_error_cents_p95": 0.08762627888820824,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.184532588231015,
        "output_peak": 0.5584699852155033,
        "reference_rms_dbfs": -11.730076837392167,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 2.68476601931552
      }
    },
    {
      "case": "harmonic_220_48000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.2716860373654311
      },
      "status": "measured",
      "seconds": 0.6610312000011618,
      "rtf": 0.5508593333343015,
      "output_sha256": "2a8476fa12a7886ac0f7f14457be1793645bf974c68233747616255f06513eab",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.26976890756884503,
            "spectral_convergence": 0.03551320195702657,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8828945713001331e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.5665400171321606,
            "spectral_convergence": 0.03970463504179858,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4859793167314665e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 1.6219631743573806,
            "spectral_convergence": 0.03922364137029338,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4840813497420889e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.4841924970992106e-05,
              "output_power": 8.663343017687765e-05,
              "delta_db": 1.9857281998437375,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.061841111531313796,
              "output_power": 0.059963981306599475,
              "delta_db": -0.13386826882034275,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.004499315567952621,
              "output_power": 0.004563677251589506,
              "delta_db": 0.06168468742398837,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.002063945986683421,
              "output_power": 0.002076822247359455,
              "delta_db": 0.027009997507615256,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005923797075262987,
              "output_power": 0.0005927873751564458,
              "delta_db": 0.0029877274148618293,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.00014628837300187047,
              "output_power": 0.00014549249142581125,
              "delta_db": -0.02369228939243337,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.4627755375778767e-18,
              "output_power": 1.4136464233180075e-08,
              "delta_db": 41.503407987085225,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 5.18330972539492e-20,
              "output_power": 7.229688223758891e-09,
              "delta_db": 38.59119568992921,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 8,
          "active_band_mae_db": 0.37249519506716317,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.11243413795140268,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.015296731686473886,
          "abs_error_cents_p95": 0.04221339281846538,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.711506051153313,
        "output_peak": 0.6111304906013884,
        "reference_rms_dbfs": -11.599071913201911,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.8194240330194621
      }
    },
    {
      "case": "harmonic_220_48000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 494532,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.017663057180790614
      },
      "status": "measured",
      "seconds": 0.3818120010000712,
      "rtf": 0.31817666750005935,
      "output_sha256": "fe74e0515a9afcfcca00a3021b6c71dff0d8948534c1bd93b1dbffd91f89bc2b",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 2.5637788297224295,
            "spectral_convergence": 0.36529557656710354,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8828945713001331e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.8827761510390946,
            "spectral_convergence": 0.07816611858293973,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4859793167314665e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 3.4151421119412886,
            "spectral_convergence": 0.07641485861423773,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4840813497420889e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.4841924970992106e-05,
              "output_power": 8.814548055510168e-05,
              "delta_db": 2.0608735953887667,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.061841111531313796,
              "output_power": 0.07109587028667069,
              "delta_db": 0.6056708781364137,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.004499315567952621,
              "output_power": 0.0042982838176263884,
              "delta_db": -0.19851365529946718,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.002063945986683421,
              "output_power": 0.001984399686340464,
              "delta_db": -0.17069177930433643,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005923797075262987,
              "output_power": 0.0005703676088765074,
              "delta_db": -0.16445318974091158,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.00014628837300187047,
              "output_power": 0.0001533440451472346,
              "delta_db": 0.2045710578849168,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.4627755375778767e-18,
              "output_power": 1.5162972793592945e-10,
              "delta_db": 21.807843557343002,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 5.18330972539492e-20,
              "output_power": 7.672330438523249e-11,
              "delta_db": 18.84927299133522,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 8,
          "active_band_mae_db": 0.5674623592924687,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.5306068813412086,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.04762934751253936,
          "abs_error_cents_p95": 0.09478619393529844,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.0684650318607,
        "output_peak": 0.5937319395597005,
        "reference_rms_dbfs": -11.599071913201911,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 2.287232364234271
      }
    },
    {
      "case": "missing_fundamental_150_48000",
      "kind": "known_periodic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.1006022993881524
      },
      "status": "measured",
      "seconds": 0.6225777450017631,
      "rtf": 0.5188147875014693,
      "output_sha256": "6009065b06eaa00a421bc3d3f010cbfb41ebfe2be8fed4de04242d396b431704",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.39330841170091996,
            "spectral_convergence": 0.0741042958914698,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.6784923452864682e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 1.576390924813374,
            "spectral_convergence": 0.07799601635299956,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200811072e-07
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 2.12774904994929,
            "spectral_convergence": 0.07781803194406275,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200810943e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.013947075921961e-09,
              "output_power": 5.457961587722314e-05,
              "delta_db": 44.32982421211044,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.026039799719722992,
              "output_power": 0.022922069309949684,
              "delta_db": -0.5538381823261612,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.009394375763728136,
              "output_power": 0.009488124665211716,
              "delta_db": 0.0431245483539535,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005733112306803246,
              "output_power": 0.0057482806786871565,
              "delta_db": 0.011475165164268835,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0006884000038671073,
              "output_power": 0.0006908153710985877,
              "delta_db": 0.015211282470066244,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.2347614644895594e-15,
              "output_power": 1.0038991174536574e-08,
              "delta_db": 40.01690072435983,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.3212581182706175e-17,
              "output_power": 6.052972712000032e-09,
              "delta_db": 37.81968716031415,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 2.673896070224589e-19,
              "output_power": 3.0479902349166428e-09,
              "delta_db": 34.84013571286785,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 4,
          "band_count": 8,
          "active_band_mae_db": 0.15591229457861244,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.31761488777689784,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.015414276517774309,
          "abs_error_cents_p95": 0.03079460019260087,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -14.10006985007924,
        "output_peak": 0.6167582043373989,
        "reference_rms_dbfs": -13.782454962302342,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.365816128821195
      }
    },
    {
      "case": "missing_fundamental_150_48000",
      "kind": "known_periodic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 494532,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 241,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.1828817239984346,
      "rtf": 0.15240143666536218,
      "output_sha256": "2adc2b8b09701c505a13bbecf876e83edffe9b3bc0b8a96c170f2c2e53eca261",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 2.621716898034722,
            "spectral_convergence": 0.8573483737113294,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.6784923452864682e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 3.544239279956558,
            "spectral_convergence": 0.75025437806203,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200811072e-07
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 7.341046833736045,
            "spectral_convergence": 1.165302340932898,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200810943e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.013947075921961e-09,
              "output_power": 0.0041146423080960365,
              "delta_db": 63.10284033694374,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.026039799719722992,
              "output_power": 0.025791908660353895,
              "delta_db": -0.04154157499558859,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.009394375763728136,
              "output_power": 0.014398701769377884,
              "delta_db": 1.8545540910130245,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005733112306803246,
              "output_power": 0.00569487631353409,
              "delta_db": -0.029061532003824116,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0006884000038671073,
              "output_power": 0.001552608491532211,
              "delta_db": 3.5322109298372535,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.2347614644895594e-15,
              "output_power": 4.554500410517051e-10,
              "delta_db": 26.584407455559894,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.3212581182706175e-17,
              "output_power": 4.607510029937341e-11,
              "delta_db": 16.63466289293542,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 2.673896070224589e-19,
              "output_power": 9.38914255730278e-12,
              "delta_db": 9.726259330930606,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 4,
          "band_count": 8,
          "active_band_mae_db": 1.3643420319624227,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.9049723258267833,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 113,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": 0.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -12.877482636475559,
        "output_peak": 1.2236004515924952,
        "reference_rms_dbfs": -13.782454962302342,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 4.502334337242441
      }
    },
    {
      "case": "harmonic_sweep_90_240_48000",
      "kind": "known_periodic_sweep",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 339138,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 301,
        "voiced_frames": 301,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 301,
        "valid_voiced_frames": 301,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 2.73534399142573
      },
      "status": "measured",
      "seconds": 0.8405727869976545,
      "rtf": 0.5603818579984363,
      "output_sha256": "7bb63bf6c1ba895866a679b7d5c439e7b820a91c442a4b5ab24d18fca8c86547",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 72000,
        "output_samples": 72000,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.4409545414594434,
            "spectral_convergence": 0.0412060352577423,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.55150508956732e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.8586657547874739,
            "spectral_convergence": 0.042757301741275,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8137636805643976e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 1.2743745398173005,
            "spectral_convergence": 0.0437979407810484,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.7818726325739977e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.04239413506753674,
              "output_power": 0.04005167264511525,
              "delta_db": -0.24685121257458398,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.031064259628998756,
              "output_power": 0.03132915413673525,
              "delta_db": 0.036876621188564114,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.003072830805318983,
              "output_power": 0.0031433380824949673,
              "delta_db": 0.09852446170789364,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0009910936221402817,
              "output_power": 0.000994485349619474,
              "delta_db": 0.014837082603847994,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00024486526471175564,
              "output_power": 0.00024342407787482373,
              "delta_db": -0.025636492692803662,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.1356011487650316e-05,
              "output_power": 1.1076775766949584e-05,
              "delta_db": -0.10812459035716263,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 6.167684438722045e-18,
              "output_power": 8.453041258035664e-11,
              "delta_db": 19.27012988707521,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 7.92407301634303e-20,
              "output_power": 4.690380876592614e-11,
              "delta_db": 16.7120811049466,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 8,
          "active_band_mae_db": 0.08847507685414267,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.11344440124589002,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 143,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 143,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.861474558029836,
          "abs_error_cents_p95": 3.103339678591532,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.204846512500122,
        "output_peak": 0.6304142542188469,
        "reference_rms_dbfs": -11.091402111254231,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.8579982786880725
      }
    },
    {
      "case": "harmonic_sweep_90_240_48000",
      "kind": "known_periodic_sweep",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 617652,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 301,
        "valid_voiced_frames": 301,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.30549879315182704
      },
      "status": "measured",
      "seconds": 0.5216465449993848,
      "rtf": 0.3477643633329232,
      "output_sha256": "b1535879d33c76fdbafe5c54a8ff67f363cd82a3896d44817cf64774ad961b5a",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 72000,
        "output_samples": 72000,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 2.4797358170713415,
            "spectral_convergence": 0.4017187958460042,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.55150508956732e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 1.8223566379350018,
            "spectral_convergence": 0.1156361344532657,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8137636805643976e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 1.7202568983544053,
            "spectral_convergence": 0.0858794050508509,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.7818726325739977e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.04239413506753674,
              "output_power": 0.050381801743044914,
              "delta_db": 0.7496791544442858,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.031064259628998756,
              "output_power": 0.035179729592846105,
              "delta_db": 0.5403148965102929,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.003072830805318983,
              "output_power": 0.00294234212882983,
              "delta_db": -0.1884547790880148,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0009910936221402817,
              "output_power": 0.0009554758359672657,
              "delta_db": -0.1589497318553965,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00024486526471175564,
              "output_power": 0.00024756615400134646,
              "delta_db": 0.047640870692978246,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.1356011487650316e-05,
              "output_power": 1.7977061633854515e-05,
              "delta_db": 1.9949288420943814,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 6.167684438722045e-18,
              "output_power": 6.439383972188684e-10,
              "delta_db": 28.088443222859276,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 7.92407301634303e-20,
              "output_power": 3.219815153198303e-10,
              "delta_db": 25.078309399410873,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 8,
          "active_band_mae_db": 0.6133280457808916,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.620531625542008,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 143,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 143,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 1.0040517435908793,
          "abs_error_cents_p95": 3.81281568511808,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -10.470870485712226,
        "output_peak": 0.6089676773661677,
        "reference_rms_dbfs": -11.091402111254231,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 2.007449784453583
      }
    },
    {
      "case": "pulse_iir_vowel_90_48000",
      "kind": "known_source_filter",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 271638,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 241,
        "voiced_frames": 241,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 0,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 0.1343620986370287
      },
      "status": "measured",
      "seconds": 0.7545130319995224,
      "rtf": 0.628760859999602,
      "output_sha256": "281eb88514ebd54796a20de59038ee4de62f1229f1cd05f7a6b14f78b4a8ff8f",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.5722147972989163,
            "spectral_convergence": 0.09758543510230946,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.544388643952995e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.6165905070980902,
            "spectral_convergence": 0.10100620291858814,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.568597472259627e-07
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 1.6559478817055275,
            "spectral_convergence": 0.10812104680639112,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.58148002312151e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.00025319912849527503,
              "output_power": 0.00023479674123299507,
              "delta_db": -0.32770141516045875,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0008665060581519603,
              "output_power": 0.0009568132082006962,
              "delta_db": 0.43055558428321383,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.01922144503644029,
              "output_power": 0.017642490827735287,
              "delta_db": -0.3722613378240405,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005413878634268725,
              "output_power": 0.005385523347443086,
              "delta_db": -0.02280602744630466,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.673915483767176e-05,
              "output_power": 2.632262332130414e-05,
              "delta_db": -0.06818507077291254,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 7.338857218233313e-10,
              "output_power": 1.8630346944448066e-08,
              "delta_db": 14.04592504311227,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.797749457826996e-13,
              "output_power": 9.973668826018732e-09,
              "delta_db": 39.988549434471665,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 7.994683551270167e-17,
              "output_power": 4.949676178291782e-09,
              "delta_db": 36.945767870989755,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 5,
          "band_count": 8,
          "active_band_mae_db": 0.24430188709738604,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.2667296062173446,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.012490899801883093,
          "abs_error_cents_p95": 0.05278053596989879,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -16.153602520112443,
        "output_peak": 0.6196137123453425,
        "reference_rms_dbfs": -15.8868729138951,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.9482510620341781
      }
    },
    {
      "case": "pulse_iir_vowel_90_48000",
      "kind": "known_source_filter",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 494532,
      "feature_f0_voiced_fraction": 1.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 241,
        "valid_voiced_frames": 241,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": 1.0326779598574984
      },
      "status": "measured",
      "seconds": 0.554502457001945,
      "rtf": 0.4620853808349542,
      "output_sha256": "14a31961670bdac79738bcdc1208c0ce75ac3ab1ae2a72bc3ae959784420e9b8",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 2.5684402606574412,
            "spectral_convergence": 0.16748856846014276,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.544388643952995e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 2.9510637469865775,
            "spectral_convergence": 0.11973653033365315,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.568597472259627e-07
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 1.0698012672640604,
            "spectral_convergence": 0.11264368210869508,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.58148002312151e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.00025319912849527503,
              "output_power": 0.00020253462272322046,
              "delta_db": -0.9696293120235517,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0008665060581519603,
              "output_power": 0.0008268324752163238,
              "delta_db": -0.20354077491752703,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.01922144503644029,
              "output_power": 0.022124645665034047,
              "delta_db": 0.6109028992680273,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005413878634268725,
              "output_power": 0.006058393318947092,
              "delta_db": 0.4884894914865281,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.673915483767176e-05,
              "output_power": 2.740047667960353e-05,
              "delta_db": 0.10610442097245167,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 7.338857218233313e-10,
              "output_power": 1.1468241747877346e-09,
              "delta_db": 1.9386840086969137,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.797749457826996e-13,
              "output_power": 3.222007729832021e-10,
              "delta_db": 25.08126577988651,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 7.994683551270167e-17,
              "output_power": 1.54386153794239e-10,
              "delta_db": 21.886083478105746,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 5,
          "band_count": 8,
          "active_band_mae_db": 0.4757333797336171,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.5466181064088593,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.009183757911153674,
          "abs_error_cents_p95": 0.15060448165097076,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.34025480748624,
        "output_peak": 0.6297322581173526,
        "reference_rms_dbfs": -15.8868729138951,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 2.1964350916360265
      }
    },
    {
      "case": "am_noise_6hz_48000",
      "kind": "known_unvoiced",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 339138,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 301,
        "voiced_frames": 0,
        "low_confidence_frames": 301,
        "unvoiced_or_unresolved_frames": 301,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.1867483899986837,
      "rtf": 0.12449892666578914,
      "output_sha256": "172ab8f66c54593f3ff01eff361e31bdb3183826c6b0c50abd81d4b6b8212fac",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 72000,
        "output_samples": 72000,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 5.022927240497447,
            "spectral_convergence": 0.6246032455136378,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.552902439330402e-07
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 5.219179427271943,
            "spectral_convergence": 0.6288235430415658,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.42738569490461e-07
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 5.6085093003155935,
            "spectral_convergence": 0.6519109599969132,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5353408899322663e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 8.871501047754418e-07,
              "output_power": 5.556173453378413e-05,
              "delta_db": 17.96778686966538,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0002722044085115042,
              "output_power": 0.0002556601285770455,
              "delta_db": -0.2723215158014869,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0006828458443453354,
              "output_power": 0.0006182864099595795,
              "delta_db": -0.4313296999170512,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0013396582156900432,
              "output_power": 0.0013646408905012251,
              "delta_db": 0.08024368648853085,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0027292042373384708,
              "output_power": 0.002692848659407998,
              "delta_db": -0.058240905454740685,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.002855527574868151,
              "output_power": 0.0028405839137617414,
              "delta_db": -0.02278735049466489,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 6.61838156225461e-05,
              "output_power": 6.926717477104402e-05,
              "delta_db": 0.19775672802604677,
              "reference_active": true
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 7.9884632100967e-09,
              "output_power": 1.0398396500812098e-08,
              "delta_db": 1.1450313403451564,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 8,
          "band_count": 8,
          "active_band_mae_db": 2.5219372620241325,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.027225382494344016,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 143,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -21.02545599289013,
        "output_peak": 0.6969306677831116,
        "reference_rms_dbfs": -20.99823061039579,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 5.283538656028328
      }
    },
    {
      "case": "am_noise_6hz_48000",
      "kind": "known_unvoiced",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 617652,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.2377999140007887,
      "rtf": 0.1585332760005258,
      "output_sha256": "a3c45eab960303c049ac81857b992956ab23b07209b1d0260a2f834470e5c23e",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 72000,
        "output_samples": 72000,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 4.931689928689678,
            "spectral_convergence": 0.635755142201903,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.552902439330402e-07
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 5.0844389599547455,
            "spectral_convergence": 0.6469122239864254,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.42738569490461e-07
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 5.248794011430989,
            "spectral_convergence": 0.6581041757603057,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5353408899322663e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 8.871501047754418e-07,
              "output_power": 3.770333861488687e-05,
              "delta_db": 16.283827003286703,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0002722044085115042,
              "output_power": 0.00030481102063345934,
              "delta_db": 0.4913551056012082,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0006828458443453354,
              "output_power": 0.0006793769274373866,
              "delta_db": -0.02211877174574848,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0013396582156900432,
              "output_power": 0.0013877227671350604,
              "delta_db": 0.15308701614432824,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0027292042373384708,
              "output_power": 0.0026943250065808453,
              "delta_db": -0.05586054986813653,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.002855527574868151,
              "output_power": 0.0031227763776219344,
              "delta_db": 0.3885452710893479,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 6.61838156225461e-05,
              "output_power": 6.65748872861309e-05,
              "delta_db": 0.02558638387676834,
              "reference_active": true
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 7.9884632100967e-09,
              "output_power": 8.231862477714902e-09,
              "delta_db": 0.1303486700657059,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 8,
          "band_count": 8,
          "active_band_mae_db": 2.1938410964597432,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.18550361222151418,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 143,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -20.812726998174274,
        "output_peak": 0.5720091801847492,
        "reference_rms_dbfs": -20.99823061039579,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 5.088307633358471
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_48000",
      "kind": "known_mixed",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 361638,
      "feature_f0_voiced_fraction": 0.7040498442367601,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 321,
        "voiced_frames": 226,
        "low_confidence_frames": 95,
        "unvoiced_or_unresolved_frames": 95,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 221,
        "valid_voiced_frames": 221,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 5,
        "abs_error_cents_p95": 1.0008124692047073
      },
      "status": "measured",
      "seconds": 0.6819433299970115,
      "rtf": 0.42621458124813216,
      "output_sha256": "94f50665075d9ed94e5841385a8e4a5cef6e17da899d6b5cc78027bc608bf2a9",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 76800,
        "output_samples": 76800,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 2.508287582234179,
            "spectral_convergence": 0.23104924251462378,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.9324218569546794e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 2.4712582759165875,
            "spectral_convergence": 0.2428782139122231,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.3619863838507488e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 2.4835400145399174,
            "spectral_convergence": 0.24812286453262067,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.3580102448380447e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.03047380309215163,
              "output_power": 0.028164769051641402,
              "delta_db": -0.3422046259440641,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.005157709327867115,
              "output_power": 0.005746213199284977,
              "delta_db": 0.4692487236430453,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00353875006812259,
              "output_power": 0.003598684316074115,
              "delta_db": 0.07293860392790165,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.002029762060050069,
              "output_power": 0.0019525877903739835,
              "delta_db": -0.16834561173547272,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.002606577366861781,
              "output_power": 0.002525916725742545,
              "delta_db": -0.13651591258729823,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0024034467397108395,
              "output_power": 0.002357320854754703,
              "delta_db": -0.0841580428689831,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 0.00013061289319707598,
              "output_power": 0.0001278652631729722,
              "delta_db": -0.09233472750581623,
              "reference_active": true
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 1.5360693858317516e-07,
              "output_power": 1.937022278596832e-07,
              "delta_db": 1.0072378210490673,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 8,
          "band_count": 8,
          "active_band_mae_db": 0.2966230086577061,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.17861862725419383,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 153,
          "expected_voiced_frames": 96,
          "expected_unvoiced_frames": 43,
          "boundary_frames": 14,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 96,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.009180166876234717,
          "abs_error_cents_p95": 0.16112727577699246,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -13.518981937772644,
        "output_peak": 0.5585966365744305,
        "reference_rms_dbfs": -13.340363310518448,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 2.4876952908968946
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_48000",
      "kind": "known_mixed",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 658692,
      "feature_f0_voiced_fraction": 0.6978193146417445,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 221,
        "valid_voiced_frames": 221,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 3,
        "abs_error_cents_p95": 4.646031869156077
      },
      "status": "measured",
      "seconds": 0.47680819100060035,
      "rtf": 0.2980051193753752,
      "output_sha256": "264056a5e4384b1539abbf4281ffdbf1556ce6cd5f13127309dd4c7cc70d0080",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 76800,
        "output_samples": 76800,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 3.1452842175029674,
            "spectral_convergence": 0.4213515988962841,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.9324218569546794e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 2.6084781194266458,
            "spectral_convergence": 0.26037372399127706,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.3619863838507488e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 3.612292085687843,
            "spectral_convergence": 0.2665125101244623,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.3580102448380447e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.03047380309215163,
              "output_power": 0.035903093382495595,
              "delta_db": 0.7120521165589095,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.005157709327867115,
              "output_power": 0.0051995603678778165,
              "delta_db": 0.035097617799066824,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00353875006812259,
              "output_power": 0.003345484238664263,
              "delta_db": -0.2439090257315889,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.002029762060050069,
              "output_power": 0.001948758669169351,
              "delta_db": -0.1768707030645486,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.002606577366861781,
              "output_power": 0.002818977259190045,
              "delta_db": 0.34020952491630424,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0024034467397108395,
              "output_power": 0.0025489567845519423,
              "delta_db": 0.25527969807020146,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 0.00013061289319707598,
              "output_power": 0.00013145285373667253,
              "delta_db": 0.027839691436393723,
              "reference_active": true
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 1.5360693858317516e-07,
              "output_power": 1.5834815222274503e-07,
              "delta_db": 0.13202166254088482,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 8,
          "band_count": 8,
          "active_band_mae_db": 0.24041000501473725,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.4917391405443077,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 153,
          "expected_voiced_frames": 96,
          "expected_unvoiced_frames": 43,
          "boundary_frames": 14,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 96,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.051599349917577225,
          "abs_error_cents_p95": 0.4182206588387863,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -12.84862416997414,
        "output_peak": 0.7887716265246233,
        "reference_rms_dbfs": -13.340363310518448,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.1220181408724854
      }
    },
    {
      "case": "silence_48000",
      "kind": "silence",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 181638,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 161,
        "voiced_frames": 0,
        "low_confidence_frames": 0,
        "unvoiced_or_unresolved_frames": 161,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.0831057459981821,
      "rtf": 0.10388218249772763,
      "output_sha256": "7818f5542a0404157573be6cffc0e0c8e68ce3c0f5d17d07ccdd9313fb700baf",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 38400,
        "output_samples": 38400,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 0,
          "band_count": 8,
          "active_band_mae_db": null,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "no_active_reference_bands"
        },
        "rms_gain_error_db": null,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -120.0,
        "output_peak": 0.0,
        "reference_rms_dbfs": -120.0,
        "rms_gain_status": "zero_reference_energy",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "silence_48000",
      "kind": "silence",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 330372,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.0984873269990203,
      "rtf": 0.12310915874877537,
      "output_sha256": "53bb3a3f227e30fa19607c2cefa55b60c82e72d087aee082ad1f41c4d5f9211a",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 38400,
        "output_samples": 38400,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 16.18221415884287,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 10.39418678281654,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 5.031456766023684,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0,
              "output_power": 1.4533022990216594e-19,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0,
              "output_power": 1.2303291669786493e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0,
              "output_power": 2.6249291792802805e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0,
              "output_power": 5.052997234642636e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0,
              "output_power": 1.0590488267612128e-17,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0,
              "output_power": 2.047420037252873e-17,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 0.0,
              "output_power": 4.1665085770680156e-17,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 0.0,
              "output_power": 4.154546832411289e-17,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 0,
          "band_count": 8,
          "active_band_mae_db": null,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "no_active_reference_bands"
        },
        "rms_gain_error_db": null,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -120.0,
        "output_peak": 5.09399763345887e-08,
        "reference_rms_dbfs": -120.0,
        "rms_gain_status": "zero_reference_energy",
        "mr_stft_log_magnitude_mae_db": 10.535952569227698
      }
    },
    {
      "case": "impulse_48000",
      "kind": "transient_diagnostic",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 181638,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 161,
        "voiced_frames": 0,
        "low_confidence_frames": 2,
        "unvoiced_or_unresolved_frames": 161,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.09541307099789265,
      "rtf": 0.11926633874736581,
      "output_sha256": "30f6ad3ca5ebd2fa38ebe24ef49a85b56692ee80954e5a0d07a55d69a795e3fb",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 38400,
        "output_samples": 38400,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 2.7955584457403013,
            "spectral_convergence": 1.0166689301736747,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 4.1666666666666676e-08
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 2.7585576377874164,
            "spectral_convergence": 0.6234078296483724,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.0416666666666669e-08
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 3.6053314014500697,
            "spectral_convergence": 0.48783450903441516,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.6041666666666672e-09
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.408393012152778e-08,
              "output_power": 3.21890158951192e-08,
              "delta_db": -2.253605436571777,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 8.138020833333332e-08,
              "output_power": 4.233884451356271e-08,
              "delta_db": -2.837797959728467,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.3563368055555558e-07,
              "output_power": 1.6178633819626545e-07,
              "delta_db": 0.765742985520327,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 2.7126736111111116e-07,
              "output_power": 1.937485645366695e-07,
              "delta_db": -1.4615904904610293,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 5.425347222222223e-07,
              "output_power": 5.584525353339666e-07,
              "delta_db": 0.12558728687084988,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.0850694444444447e-06,
              "output_power": 1.167338437961211e-06,
              "delta_db": 0.3173925222758042,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 2.1701388888888893e-06,
              "output_power": 2.0576181345128233e-06,
              "delta_db": -0.2312275073372508,
              "reference_active": true
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 2.170308430989584e-06,
              "output_power": 2.227430670167267e-06,
              "delta_db": 0.11282737782245907,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 8,
          "band_count": 8,
          "active_band_mae_db": 1.0132214458234956,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.04662056515676814,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -51.910532722111704,
        "output_peak": 0.06425073801885285,
        "reference_rms_dbfs": -51.86391215695493,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 3.0531491616592628
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.299625,
        "error_ms": -0.3750000000000142
      }
    },
    {
      "case": "impulse_48000",
      "kind": "transient_diagnostic",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 330372,
      "feature_f0_voiced_fraction": 0.0,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "known_truth_at_parameter_frame_times",
        "expected_voiced_frames": 0,
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "abs_error_cents_p95": null
      },
      "status": "measured",
      "seconds": 0.0995192299997143,
      "rtf": 0.12439903749964287,
      "output_sha256": "b5ba774119233b0ab58bdb6e2c065f1d07df6fefb4598a2171a7e2bd77e71ac4",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 38400,
        "output_samples": 38400,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 1.167837806136438,
            "spectral_convergence": 1.1604892827335278,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 4.1666666666666676e-08
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 1.3831803826749927,
            "spectral_convergence": 0.7949733361565668,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.0416666666666669e-08
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 3.1418372316792995,
            "spectral_convergence": 0.7507679747945784,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.6041666666666672e-09
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.408393012152778e-08,
              "output_power": 9.107612021720994e-08,
              "delta_db": 2.2633627868384627,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 8.138020833333332e-08,
              "output_power": 7.18885083111088e-07,
              "delta_db": 9.461406747678078,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.3563368055555558e-07,
              "output_power": 2.7651429658610466e-07,
              "delta_db": 3.093500435687333,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 2.7126736111111116e-07,
              "output_power": 6.407154556344457e-07,
              "delta_db": 3.732676577776001,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 5.425347222222223e-07,
              "output_power": 8.532289879685569e-07,
              "delta_db": 1.9663806367865024,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.0850694444444447e-06,
              "output_power": 2.9081882269632592e-06,
              "delta_db": 4.281649780618752,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 2.1701388888888893e-06,
              "output_power": 4.892036442514971e-06,
              "delta_db": 3.530021540051207,
              "reference_active": true
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 2.170308430989584e-06,
              "output_power": 4.362679386809717e-06,
              "delta_db": 3.0323184035383273,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 8,
          "band_count": 8,
          "active_band_mae_db": 3.9201646136218327,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 3.5498662540754284,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -48.3140459028795,
        "output_peak": 0.12454448795206725,
        "reference_rms_dbfs": -51.86391215695493,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 1.89761847349691
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.30054166666666665,
        "error_ms": 0.5416666666666625
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "kind": "natural_speech",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 1351638,
      "feature_f0_voiced_fraction": 0.5711906744379683,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 1201,
        "voiced_frames": 686,
        "low_confidence_frames": 579,
        "unvoiced_or_unresolved_frames": 515,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "natural_speech_has_no_ground_truth"
      },
      "status": "measured",
      "seconds": 1.0174886100030562,
      "rtf": 0.16958143500050937,
      "output_sha256": "25e1d254a714c0d296135455cb3940dda74f7f9c3e2ecfde2bf7680772bf13de",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 96000,
        "output_samples": 96000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 5.534201290321184,
            "spectral_convergence": 0.367914237522151,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.142335289882602e-07
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 5.6956582973321845,
            "spectral_convergence": 0.38040546550564763,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.848824211945687e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 6.66957521632095,
            "spectral_convergence": 0.38948100522448276,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 4.856831169332098e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0001524928320973097,
              "output_power": 0.00015978516783969837,
              "delta_db": 0.2028703297053314,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.000614847570631693,
              "output_power": 0.0005986360362808806,
              "delta_db": -0.11604604751548132,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0006546222632577629,
              "output_power": 0.0006431846894093857,
              "delta_db": -0.07655073515472188,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.00045735665465447865,
              "output_power": 0.00043606381990474587,
              "delta_db": -0.20704947686679684,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005074094182988508,
              "output_power": 0.0004865090173709143,
              "delta_db": -0.18267629872375168,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0001454970054415293,
              "output_power": 0.00013923155480635865,
              "delta_db": -0.19116381990734996,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.16272611797890552,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.11965669391156646,
        "pitch": null,
        "output_rms_dbfs": -26.084632495746362,
        "output_peak": 0.40107255145483645,
        "reference_rms_dbfs": -25.964975801834793,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 5.96647826799144
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "kind": "natural_speech",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 1234628,
      "feature_f0_voiced_fraction": 0.7735220649458784,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "natural_speech_has_no_ground_truth"
      },
      "status": "measured",
      "seconds": 1.3661456310001086,
      "rtf": 0.2276909385000181,
      "output_sha256": "7d5527503b8cef6b60d0506e2df27eb3a98a3e56f8c9ff656d9ad843ccb1bd5b",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 96000,
        "output_samples": 96000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 6.10941251463186,
            "spectral_convergence": 0.5639174343431934,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.142335289882602e-07
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 5.208985333695928,
            "spectral_convergence": 0.3124939131232364,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.848824211945687e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 5.7240752440415275,
            "spectral_convergence": 0.3722333970732282,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 4.856831169332098e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0001524928320973097,
              "output_power": 0.00015728640477724322,
              "delta_db": 0.13441755310471928,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.000614847570631693,
              "output_power": 0.0007514214282821413,
              "delta_db": 0.8711611427460408,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0006546222632577629,
              "output_power": 0.000828964567262946,
              "delta_db": 1.0254519645540974,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.00045735665465447865,
              "output_power": 0.0005514671190115949,
              "delta_db": 0.8126462036645672,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005074094182988508,
              "output_power": 0.0005674202726196371,
              "delta_db": 0.4854632394497235,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0001454970054415293,
              "output_power": 0.0001690475073217216,
              "delta_db": 0.6515471634323245,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.6634478778252454,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.7731013942081144,
        "pitch": null,
        "output_rms_dbfs": -25.191874407626678,
        "output_peak": 0.5786482982903574,
        "reference_rms_dbfs": -25.964975801834793,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 5.680824364123104
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "kind": "natural_speech",
      "method": "hnm",
      "base_method": "hnm",
      "decoder_family": "自作HNM",
      "f0_source": "正規化自己相関",
      "feature_scalars": 1351638,
      "feature_f0_voiced_fraction": 0.492089925062448,
      "analysis_metadata": {
        "f0_estimator": "normalized-autocorrelation-continuity-v1",
        "f0_floor_hz": 65.0,
        "f0_ceil_hz": 700.0,
        "frame_count": 1201,
        "voiced_frames": 591,
        "low_confidence_frames": 650,
        "unvoiced_or_unresolved_frames": 610,
        "phase_detail": "unwrapped-relative-harmonic-phase",
        "envelope_description": "fixed-Hz harmonic amplitude envelope; not physiological parameters",
        "stored_waveform_or_complex_residual": false
      },
      "representation": "F0・固定Hz調波振幅包絡・相対位相・雑音帯域パワー",
      "analysis_pitch_against_truth": {
        "status": "natural_speech_has_no_ground_truth"
      },
      "status": "measured",
      "seconds": 1.0618898840002657,
      "rtf": 0.17698164733337762,
      "output_sha256": "0a215317619b4f93cdd5e3b17d97e0433a9161ecdea4fb82c4b69a982d11aa63",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 96000,
        "output_samples": 96000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 5.669372574964074,
            "spectral_convergence": 0.27517351926609446,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.917174240126096e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 5.195648312431481,
            "spectral_convergence": 0.2839738022855064,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.3764120923669142e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 5.064251249860545,
            "spectral_convergence": 0.2979338957000855,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.65726411302904e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0016535338650408523,
              "output_power": 0.0016660255987166433,
              "delta_db": 0.03268576250513524,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0014061361443478543,
              "output_power": 0.0013721760661301176,
              "delta_db": -0.10617531831673435,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00023886716309266744,
              "output_power": 0.0002671981334156942,
              "delta_db": 0.4867696824893574,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.00017008225892163728,
              "output_power": 0.00015484336494479454,
              "delta_db": -0.40766414708366283,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 5.1305941766241635e-05,
              "output_power": 4.964239261077726e-05,
              "delta_db": -0.14314958890458768,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 2.4673803234657673e-05,
              "output_power": 2.3652662315590996e-05,
              "delta_db": -0.1835606556194451,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.22666752581982044,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": -0.013573393066099473,
        "pitch": null,
        "output_rms_dbfs": -24.517902070704196,
        "output_peak": 0.5259413391699049,
        "reference_rms_dbfs": -24.504328677638092,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 5.309757379085367
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "kind": "natural_speech",
      "method": "world_harvest",
      "base_method": "hnm",
      "decoder_family": "WORLD",
      "f0_source": "WORLD Harvest",
      "feature_scalars": 1234628,
      "feature_f0_voiced_fraction": 0.6144879267277269,
      "analysis_metadata": {},
      "representation": "WORLDのF0・スペクトル包絡・非周期性",
      "analysis_pitch_against_truth": {
        "status": "natural_speech_has_no_ground_truth"
      },
      "status": "measured",
      "seconds": 1.3572588650022226,
      "rtf": 0.22620981083370376,
      "output_sha256": "7a873db9147013d517d9b370443f89a8158512cfc1df1f1ff22c080a914be842",
      "repeat_max_abs_diff": 0.0,
      "measurement": {
        "status": "ok",
        "reference_samples": 96000,
        "output_samples": 96000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 6.1358560362292325,
            "spectral_convergence": 0.6607251569792845,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.917174240126096e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 5.049628320375352,
            "spectral_convergence": 0.28908726102190296,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.3764120923669142e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 4.993938531831541,
            "spectral_convergence": 0.2966448039870962,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.65726411302904e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0016535338650408523,
              "output_power": 0.0018193296068102396,
              "delta_db": 0.41498293185007207,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0014061361443478543,
              "output_power": 0.00180330962528755,
              "delta_db": 1.0804292896563967,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00023886716309266744,
              "output_power": 0.00031354901824534435,
              "delta_db": 1.1814899360775613,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.00017008225892163728,
              "output_power": 0.00021645015119688536,
              "delta_db": 1.04698878283336,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 5.1305941766241635e-05,
              "output_power": 5.6694318658357245e-05,
              "delta_db": 0.4337187651185515,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 2.4673803234657673e-05,
              "output_power": 3.0431313130909454e-05,
              "delta_db": 0.9108459579278807,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.8447426105773038,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.7777455410307089,
        "pitch": null,
        "output_rms_dbfs": -23.72658313660739,
        "output_peak": 0.6620443060906042,
        "reference_rms_dbfs": -24.504328677638092,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 5.3931409628120415
      }
    }
  ],
  "operations": [
    {
      "case": "harmonic_110_16000",
      "method": "hnm",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 19200,
      "output_samples": 19200,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.5115272507980074,
      "level_delta_db": -1.1535050213320628,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.05113459972228275,
            "output_power": 0.040636488350236644,
            "delta_db": -0.9979868984328559,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.01309080628014288,
            "output_power": 0.008068609563155273,
            "delta_db": -2.1016769551265555,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.002011240237872849,
            "output_power": 0.00194171769143032,
            "delta_db": -0.15277861553059763,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0005751158287093918,
            "output_power": 0.0005608398301770523,
            "delta_db": -0.10916471564578355,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.0002002809189122304,
            "output_power": 0.00016917399899200333,
            "delta_db": -0.7330595989652884,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 4.8169664586891764e-05,
            "output_power": 4.1081084377308555e-05,
            "delta_db": -0.6913172353844538,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.7976640031809225,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 113,
        "valid_pairs": 113,
        "voiced_in_base": 113,
        "voiced_in_edit": 113,
        "p95_error_cents": 0.08516652149744394
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.06895333819393065,
        "abs_error_cents_p95": 0.07903017642258851,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "method": "hnm",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 19200,
      "output_samples": 19200,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.7282018200723317,
      "level_delta_db": 0.8570165276803966,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.05113459972228275,
            "output_power": 0.06957477652616822,
            "delta_db": 1.3373695938258559,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.01309080628014288,
            "output_power": 0.008869276750956943,
            "delta_db": -1.6907818960584526,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.002011240237872849,
            "output_power": 0.002134545424495779,
            "delta_db": 0.25841452163168716,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0005751158287093918,
            "output_power": 0.0008022625608229475,
            "delta_db": 1.4456120476461967,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.0002002809189122304,
            "output_power": 0.00025214121777763755,
            "delta_db": 1.000042707089723,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 4.8169664586891764e-05,
            "output_power": 5.656169385769393e-05,
            "delta_db": 0.6974878457337004,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 1.0716181019976028,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 113,
        "valid_pairs": 113,
        "voiced_in_base": 113,
        "voiced_in_edit": 113,
        "p95_error_cents": 0.09347912604583739
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.01666288069039127,
        "abs_error_cents_p95": 0.05288558340036764,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "method": "hnm",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 19200,
      "output_samples": 19200,
      "length_error_samples": 0,
      "finite": true,
      "peak": 1.203574920838246,
      "level_delta_db": 6.0,
      "gain_tracking_error_db": 0.0,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 113,
        "valid_pairs": 113,
        "voiced_in_base": 113,
        "voiced_in_edit": 113,
        "p95_error_cents": 7.688223609155801e-13
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.023957726913659463,
        "abs_error_cents_p95": 0.06863863671953269,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "method": "hnm",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 19200,
      "output_samples": 19200,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.30232435129588037,
      "level_delta_db": -5.999999999999998,
      "gain_tracking_error_db": 1.7763568394002505e-15,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 113,
        "valid_pairs": 113,
        "voiced_in_base": 113,
        "voiced_in_edit": 113,
        "p95_error_cents": 7.688223609155801e-13
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.023957726912890654,
        "abs_error_cents_p95": 0.06863863671922518,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "method": "hnm",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 24000,
      "output_samples": 24000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6016583252004089,
      "level_delta_db": 0.001820139752889169
    },
    {
      "case": "harmonic_110_16000",
      "method": "world_harvest",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 19200,
      "output_samples": 19200,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.4876240578596896,
      "level_delta_db": -0.41851722545455217,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.06024035494412739,
            "output_power": 0.057277532491228404,
            "delta_db": -0.21903221768559106,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.012675179941359358,
            "output_power": 0.008333682805219556,
            "delta_db": -1.8211716703205045,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.0019192407745521733,
            "output_power": 0.002188971401865944,
            "delta_db": 0.5711062599396003,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0005508659146263725,
            "output_power": 0.0006381156319516656,
            "delta_db": 0.6385348288330611,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.00019232390422850053,
            "output_power": 0.00019298117804665953,
            "delta_db": 0.01481686499028353,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 4.887247240074342e-05,
            "output_power": 4.7757111954030184e-05,
            "delta_db": -0.10026254478473849,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.5608207310922966,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 113,
        "valid_pairs": 113,
        "voiced_in_base": 113,
        "voiced_in_edit": 113,
        "p95_error_cents": 0.11633768576680259
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.06813618101485862,
        "abs_error_cents_p95": 0.11705776257098252,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "method": "world_harvest",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 19200,
      "output_samples": 19200,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6348204886974946,
      "level_delta_db": -0.07050323361226307,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.06024035494412739,
            "output_power": 0.06524406143062546,
            "delta_db": 0.3465346583939776,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.012675179941359358,
            "output_power": 0.00656307747905468,
            "delta_db": -2.8584660218702624,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.0019192407745521733,
            "output_power": 0.0017057298902112437,
            "delta_db": -0.5121920186246811,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0005508659146263725,
            "output_power": 0.0006454862894687163,
            "delta_db": 0.6884112121100372,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.00019232390422850053,
            "output_power": 0.00020340974403789156,
            "delta_db": 0.24338486598733555,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 4.887247240074342e-05,
            "output_power": 4.726104654416598e-05,
            "delta_db": -0.1456097565063827,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.7990997555821128,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 113,
        "valid_pairs": 113,
        "voiced_in_base": 113,
        "voiced_in_edit": 113,
        "p95_error_cents": 0.07889099532502522
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.024840883060457734,
        "abs_error_cents_p95": 0.07543729063567649,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "method": "world_harvest",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 19200,
      "output_samples": 19200,
      "length_error_samples": 0,
      "finite": true,
      "peak": 1.1308026786706709,
      "level_delta_db": 6.000008823364155,
      "gain_tracking_error_db": 8.823364154864066e-06,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 113,
        "valid_pairs": 113,
        "voiced_in_base": 113,
        "voiced_in_edit": 113,
        "p95_error_cents": 0.019531252708280152
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.02951673529299493,
        "abs_error_cents_p95": 0.07156545515519726,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "method": "world_harvest",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 19200,
      "output_samples": 19200,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.28100983208283814,
      "level_delta_db": -6.000011536063363,
      "gain_tracking_error_db": -1.1536063363237758e-05,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 113,
        "valid_pairs": 113,
        "voiced_in_base": 113,
        "voiced_in_edit": 113,
        "p95_error_cents": 0.010985078003571597
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.020935277418551047,
        "abs_error_cents_p95": 0.05337249981565488,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "method": "world_harvest",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 24000,
      "output_samples": 24000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.5685819588171438,
      "level_delta_db": -0.002559343972264788
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "hnm",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 25600,
      "output_samples": 25600,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6394955318703901,
      "level_delta_db": -0.7277777118341154,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.010338097337750742,
            "output_power": 0.0004997267399814137,
            "delta_db": -13.15708028107667,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0018725969435995987,
            "output_power": 0.00907857617563289,
            "delta_db": 6.8557343175614776,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.0016265571616916723,
            "output_power": 0.001162599925078311,
            "delta_db": -1.4583903955542332,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0016828839522667286,
            "output_power": 0.0016521628249579153,
            "delta_db": -0.08001323130599763,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.002600775039357847,
            "output_power": 0.002598967746530853,
            "delta_db": -0.0030189852301312397,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 0.0021628081634685907,
            "output_power": 0.0021621403783563028,
            "delta_db": -0.0013411275943002116,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 3.5925963897204682,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 153,
        "valid_pairs": 100,
        "voiced_in_base": 101,
        "voiced_in_edit": 100,
        "p95_error_cents": 0.6234051295472196
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 153,
        "expected_voiced_frames": 96,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 14,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 96,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.16906092263027847,
        "abs_error_cents_p95": 0.19949271475104324,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "hnm",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 25600,
      "output_samples": 25600,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6394955318703901,
      "level_delta_db": 0.6105447104217545,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.010338097337750742,
            "output_power": 0.010498184883669454,
            "delta_db": 0.06673599939983126,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0018725969435995987,
            "output_power": 0.004856983975338178,
            "delta_db": 4.139223604000731,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.0016265571616916723,
            "output_power": 0.0014688936529137595,
            "delta_db": -0.44278975939792214,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0016828839522667286,
            "output_power": 0.0017353491323008074,
            "delta_db": 0.13332693897147302,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.002600775039357847,
            "output_power": 0.0026130548362929894,
            "delta_db": 0.02045735298655505,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 0.0021628081634685907,
            "output_power": 0.0021729726710956526,
            "delta_db": 0.02036264206683311,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.8038160494705574,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 153,
        "valid_pairs": 101,
        "voiced_in_base": 101,
        "voiced_in_edit": 101,
        "p95_error_cents": 1.1719587385573504
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 153,
        "expected_voiced_frames": 96,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 14,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 96,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.04236323497163515,
        "abs_error_cents_p95": 0.24774428090767373,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "hnm",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 25600,
      "output_samples": 25600,
      "length_error_samples": 0,
      "finite": true,
      "peak": 1.2759613353319694,
      "level_delta_db": 6.000000000000001,
      "gain_tracking_error_db": 8.881784197001252e-16,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 153,
        "valid_pairs": 101,
        "voiced_in_base": 101,
        "voiced_in_edit": 101,
        "p95_error_cents": 3.844111804577902e-13
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 153,
        "expected_voiced_frames": 96,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 14,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 96,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.11613293531511437,
        "abs_error_cents_p95": 0.25301102903105016,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "hnm",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 25600,
      "output_samples": 25600,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.3205069965351219,
      "level_delta_db": -6.000000000000001,
      "gain_tracking_error_db": -8.881784197001252e-16,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 153,
        "valid_pairs": 101,
        "voiced_in_base": 101,
        "voiced_in_edit": 101,
        "p95_error_cents": 3.844111804577902e-13
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 153,
        "expected_voiced_frames": 96,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 14,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 96,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.11613293531492216,
        "abs_error_cents_p95": 0.25301102903105016,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "hnm",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 32000,
      "output_samples": 32000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.630967990312003,
      "level_delta_db": 0.059213080145035096
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "world_harvest",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 25600,
      "output_samples": 25600,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.569560314633061,
      "level_delta_db": -0.31966101206632674,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.012343406010356564,
            "output_power": 0.00043959237106965714,
            "delta_db": -14.483848676007216,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0018709554113954443,
            "output_power": 0.012566097587198698,
            "delta_db": 8.271369905670587,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.00155314652000522,
            "output_power": 0.0012105835493737191,
            "delta_db": -1.0821765994296457,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0016747835237306233,
            "output_power": 0.0016643391083854485,
            "delta_db": -0.02716861429637748,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.00254435132187413,
            "output_power": 0.0025252017389182264,
            "delta_db": -0.03280998409182065,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 0.002605577989260805,
            "output_power": 0.0025832375827436766,
            "delta_db": -0.037397263754542186,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 3.9891285072083646,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 153,
        "valid_pairs": 98,
        "voiced_in_base": 98,
        "voiced_in_edit": 99,
        "p95_error_cents": 0.25784707463397977
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 153,
        "expected_voiced_frames": 96,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 14,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 96,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.15755187311622332,
        "abs_error_cents_p95": 0.3834091787739956,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "world_harvest",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 25600,
      "output_samples": 25600,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.5889707796915284,
      "level_delta_db": -0.059888268670240566,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.012343406010356564,
            "output_power": 0.010504029530463383,
            "delta_db": -0.7007908039446917,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0018709554113954443,
            "output_power": 0.003784381597810305,
            "delta_db": 3.059314844681482,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.00155314652000522,
            "output_power": 0.0012527085852357702,
            "delta_db": -0.9336237412901794,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0016747835237306233,
            "output_power": 0.0016188010408270117,
            "delta_db": -0.14765204761843725,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.00254435132187413,
            "output_power": 0.002506643057376131,
            "delta_db": -0.06484582724109604,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 0.002605577989260805,
            "output_power": 0.0026162533397770917,
            "delta_db": 0.017757188957134507,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.8206640756221703,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 153,
        "valid_pairs": 97,
        "voiced_in_base": 98,
        "voiced_in_edit": 98,
        "p95_error_cents": 0.23891190070239585
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 153,
        "expected_voiced_frames": 96,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 14,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 96,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.07073535087261854,
        "abs_error_cents_p95": 0.3062103365124369,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "world_harvest",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 25600,
      "output_samples": 25600,
      "length_error_samples": 0,
      "finite": true,
      "peak": 1.1982633633855035,
      "level_delta_db": 5.999947617305704,
      "gain_tracking_error_db": -5.238269429597153e-05,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 153,
        "valid_pairs": 98,
        "voiced_in_base": 98,
        "voiced_in_edit": 98,
        "p95_error_cents": 0.09512457818331568
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 153,
        "expected_voiced_frames": 96,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 14,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 96,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.14129592432899446,
        "abs_error_cents_p95": 0.47162817813810626,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "world_harvest",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 25600,
      "output_samples": 25600,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.30099014838630805,
      "level_delta_db": -5.999953522767888,
      "gain_tracking_error_db": 4.647723211181898e-05,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 153,
        "valid_pairs": 98,
        "voiced_in_base": 98,
        "voiced_in_edit": 98,
        "p95_error_cents": 0.08062221831362601
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 153,
        "expected_voiced_frames": 96,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 14,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 96,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.12020384139973736,
        "abs_error_cents_p95": 0.4360248074811799,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "method": "world_harvest",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 32000,
      "output_samples": 32000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.5786132688060052,
      "level_delta_db": -0.21764730093852921
    },
    {
      "case": "impulse_16000",
      "method": "hnm",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 12800,
      "output_samples": 12800,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.10010901827443196,
      "level_delta_db": 0.0,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 4.2830535074549966e-07,
            "output_power": 4.2830535074549966e-07,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 1.2901912767726961e-06,
            "output_power": 1.2901912767726961e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 8.009498654431877e-07,
            "output_power": 8.009498654431877e-07,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 1.8506974249764955e-06,
            "output_power": 1.8506974249764955e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 4.293197749007056e-06,
            "output_power": 4.293197749007056e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 1.1165189369368636e-05,
            "output_power": 1.1165189369368636e-05,
            "delta_db": 0.0,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.0,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 73,
        "valid_pairs": 0,
        "voiced_in_base": 0,
        "voiced_in_edit": 0,
        "p95_error_cents": null
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 73,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 73,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.302,
        "error_ms": 2.0000000000000018
      }
    },
    {
      "case": "impulse_16000",
      "method": "hnm",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 12800,
      "output_samples": 12800,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.10010901827443196,
      "level_delta_db": 0.0,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 4.2830535074549966e-07,
            "output_power": 4.2830535074549966e-07,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 1.2901912767726961e-06,
            "output_power": 1.2901912767726961e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 8.009498654431877e-07,
            "output_power": 8.009498654431877e-07,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 1.8506974249764955e-06,
            "output_power": 1.8506974249764955e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 4.293197749007056e-06,
            "output_power": 4.293197749007056e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 1.1165189369368636e-05,
            "output_power": 1.1165189369368636e-05,
            "delta_db": 0.0,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.0,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 73,
        "valid_pairs": 0,
        "voiced_in_base": 0,
        "voiced_in_edit": 0,
        "p95_error_cents": null
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 73,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 73,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.302,
        "error_ms": 2.0000000000000018
      }
    },
    {
      "case": "impulse_16000",
      "method": "hnm",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 12800,
      "output_samples": 12800,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.19974375155150495,
      "level_delta_db": 6.0,
      "gain_tracking_error_db": 0.0,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 73,
        "valid_pairs": 0,
        "voiced_in_base": 0,
        "voiced_in_edit": 0,
        "p95_error_cents": null
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 73,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 73,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.302,
        "error_ms": 2.0000000000000018
      }
    },
    {
      "case": "impulse_16000",
      "method": "hnm",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 12800,
      "output_samples": 12800,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.05017336193010458,
      "level_delta_db": -6.000000000000001,
      "gain_tracking_error_db": -8.881784197001252e-16,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 73,
        "valid_pairs": 0,
        "voiced_in_base": 0,
        "voiced_in_edit": 0,
        "p95_error_cents": null
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 73,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 73,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.302,
        "error_ms": 2.0000000000000018
      }
    },
    {
      "case": "impulse_16000",
      "method": "hnm",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 16000,
      "output_samples": 16000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.11214668783243006,
      "level_delta_db": 0.08385227337416616,
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.375,
        "detected_s": 0.374875,
        "error_ms": -0.12499999999998623
      }
    },
    {
      "case": "impulse_16000",
      "method": "world_harvest",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 12800,
      "output_samples": 12800,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.1812799733453587,
      "level_delta_db": 0.0,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 1.4042785808498647e-07,
            "output_power": 1.4042785808498647e-07,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 8.790839807795513e-07,
            "output_power": 8.790839807795513e-07,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 2.7017920924719225e-06,
            "output_power": 2.7017920924719225e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 4.019255595781056e-06,
            "output_power": 4.019255595781056e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 1.3535874855416797e-05,
            "output_power": 1.3535874855416797e-05,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 2.2214684781638398e-05,
            "output_power": 2.2214684781638398e-05,
            "delta_db": 0.0,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.0,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 73,
        "valid_pairs": 0,
        "voiced_in_base": 0,
        "voiced_in_edit": 0,
        "p95_error_cents": null
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 73,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 73,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.3016875,
        "error_ms": 1.6875000000000084
      }
    },
    {
      "case": "impulse_16000",
      "method": "world_harvest",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 12800,
      "output_samples": 12800,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.1812799733453587,
      "level_delta_db": 0.0,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 1.4042785808498647e-07,
            "output_power": 1.4042785808498647e-07,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 8.790839807795513e-07,
            "output_power": 8.790839807795513e-07,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 2.7017920924719225e-06,
            "output_power": 2.7017920924719225e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 4.019255595781056e-06,
            "output_power": 4.019255595781056e-06,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 1.3535874855416797e-05,
            "output_power": 1.3535874855416797e-05,
            "delta_db": 0.0,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 2.2214684781638398e-05,
            "output_power": 2.2214684781638398e-05,
            "delta_db": 0.0,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.0,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 73,
        "valid_pairs": 0,
        "voiced_in_base": 0,
        "voiced_in_edit": 0,
        "p95_error_cents": null
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 73,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 73,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.3016875,
        "error_ms": 1.6875000000000084
      }
    },
    {
      "case": "impulse_16000",
      "method": "world_harvest",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 12800,
      "output_samples": 12800,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.36170109927455735,
      "level_delta_db": 5.9999999999999964,
      "gain_tracking_error_db": -3.552713678800501e-15,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 73,
        "valid_pairs": 0,
        "voiced_in_base": 0,
        "voiced_in_edit": 0,
        "p95_error_cents": null
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 73,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 73,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.3016875,
        "error_ms": 1.6875000000000084
      }
    },
    {
      "case": "impulse_16000",
      "method": "world_harvest",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 12800,
      "output_samples": 12800,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.09085520835298606,
      "level_delta_db": -5.999999999999998,
      "gain_tracking_error_db": 1.7763568394002505e-15,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 73,
        "valid_pairs": 0,
        "voiced_in_base": 0,
        "voiced_in_edit": 0,
        "p95_error_cents": null
      },
      "pitch_against_known_truth": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 73,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 73,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.3,
        "detected_s": 0.3016875,
        "error_ms": 1.6875000000000084
      }
    },
    {
      "case": "impulse_16000",
      "method": "world_harvest",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 16000,
      "output_samples": 16000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.20096362688353142,
      "level_delta_db": -1.2207910576443026,
      "event": {
        "status": "peak_energy_diagnostic",
        "expected_s": 0.375,
        "detected_s": 0.3765,
        "error_ms": 1.5000000000000013
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "hnm",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.34445983181836487,
      "level_delta_db": -0.867251848942649,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.00015978516783969837,
            "output_power": 5.3470782301769366e-05,
            "delta_db": -4.75419925114303,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0005986360362808806,
            "output_power": 0.0004978088817529126,
            "delta_db": -0.801002157617382,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.0006431846894093857,
            "output_power": 0.0005389075680204099,
            "delta_db": -0.7682141521727399,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.00043606381990474587,
            "output_power": 0.0003737549607447922,
            "delta_db": -0.6696308923479212,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.0004865090173709143,
            "output_power": 0.00042975118854900456,
            "delta_db": -0.538738077863868,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 0.00013923155480635865,
            "output_power": 0.00012379743055780963,
            "delta_db": -0.5102604205327731,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 1.340340825279619,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 146,
        "voiced_in_base": 157,
        "voiced_in_edit": 154,
        "p95_error_cents": 7.5343338496352885
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "hnm",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.4763036668137234,
      "level_delta_db": 0.40118485887775013,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.00015978516783969837,
            "output_power": 0.00021632254677278744,
            "delta_db": 1.3156532406937393,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0005986360362808806,
            "output_power": 0.0006210696657013528,
            "delta_db": 0.15977461290680212,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.0006431846894093857,
            "output_power": 0.0007268027871578377,
            "delta_db": 0.5308088631282847,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.00043606381990474587,
            "output_power": 0.0004747766019643433,
            "delta_db": 0.3693925294781393,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.0004865090173709143,
            "output_power": 0.0005139405243160704,
            "delta_db": 0.23821968983184488,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 0.00013923155480635865,
            "output_power": 0.00014890055878202666,
            "delta_db": 0.29158654584680177,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.4842392469809353,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 122,
        "voiced_in_base": 157,
        "voiced_in_edit": 123,
        "p95_error_cents": 12.56491361544299
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "hnm",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.8002449474862519,
      "level_delta_db": 5.999999999999998,
      "gain_tracking_error_db": -1.7763568394002505e-15,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 157,
        "voiced_in_base": 157,
        "voiced_in_edit": 157,
        "p95_error_cents": 3.844111804577902e-13
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "hnm",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.20101244254748124,
      "level_delta_db": -6.000000000000001,
      "gain_tracking_error_db": -8.881784197001252e-16,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 157,
        "voiced_in_base": 157,
        "voiced_in_edit": 157,
        "p95_error_cents": 3.844111804577902e-13
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "hnm",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 120000,
      "output_samples": 120000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.3947980046634824,
      "level_delta_db": 0.021139199051474628
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "world_harvest",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.4994962140314667,
      "level_delta_db": -0.8443977611548581,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.00015728640477724322,
            "output_power": 6.706499267666058e-05,
            "delta_db": -3.7019530402630547,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0007514214282821413,
            "output_power": 0.0006034539007960728,
            "delta_db": -0.9523947671215396,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.000828964567262946,
            "output_power": 0.0006409170261301474,
            "delta_db": -1.1173415885341498,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0005514671190115949,
            "output_power": 0.0004991711545826124,
            "delta_db": -0.432701419413852,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.0005674202726196371,
            "output_power": 0.0005198400125804856,
            "delta_db": -0.3803514356759713,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 0.0001690475073217216,
            "output_power": 0.00016054749632347186,
            "delta_db": -0.22405233990155704,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 1.1347990984850207,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 144,
        "voiced_in_base": 152,
        "voiced_in_edit": 165,
        "p95_error_cents": 7.098644421654109
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "world_harvest",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6537961929202944,
      "level_delta_db": -0.5232104742972093,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.00015728640477724322,
            "output_power": 0.00018305703880223633,
            "delta_db": 0.6589524725004615,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0007514214282821413,
            "output_power": 0.000587145458677266,
            "delta_db": -1.0713786953242828,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.000828964567262946,
            "output_power": 0.0007184849258531486,
            "delta_db": -0.6211830687214546,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.0005514671190115949,
            "output_power": 0.0004963772228681745,
            "delta_db": -0.45707778000973087,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 0.0005674202726196371,
            "output_power": 0.0005338393100989515,
            "delta_db": -0.26494297491095153,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 0.0001690475073217216,
            "output_power": 0.00016329822773070005,
            "delta_db": -0.15027299908718778,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.5373013317590115,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 112,
        "voiced_in_base": 152,
        "voiced_in_edit": 112,
        "p95_error_cents": 6.716929840730213
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "world_harvest",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 1.154407190940396,
      "level_delta_db": 6.000004549350465,
      "gain_tracking_error_db": 4.549350465232749e-06,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 152,
        "voiced_in_base": 152,
        "voiced_in_edit": 152,
        "p95_error_cents": 0.0023373121132768664
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "world_harvest",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.2900666230679788,
      "level_delta_db": -6.000015379044004,
      "gain_tracking_error_db": -1.5379044003616116e-05,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 152,
        "voiced_in_base": 152,
        "voiced_in_edit": 152,
        "p95_error_cents": 0.00773186168530517
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "method": "world_harvest",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 120000,
      "output_samples": 120000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6129852954460985,
      "level_delta_db": -0.04016249093160265
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "hnm",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.51241219809351,
      "level_delta_db": -1.1821135982146895,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.0016660255987166433,
            "output_power": 0.0010291493773082454,
            "delta_db": -2.092032545073528,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0013721760661301176,
            "output_power": 0.0012656239447873716,
            "delta_db": -0.3510515717108603,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.0002671981334156942,
            "output_power": 0.00019796645248061474,
            "delta_db": -1.302418192524619,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.00015484336494479454,
            "output_power": 0.00012950388261971898,
            "delta_db": -0.7760981145125806,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 4.964239261077726e-05,
            "output_power": 4.6952530625035766e-05,
            "delta_db": -0.24193700361416867,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 2.3652662315590996e-05,
            "output_power": 2.2328905329901087e-05,
            "delta_db": -0.25012599102916916,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.8356105697441545,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 93,
        "voiced_in_base": 98,
        "voiced_in_edit": 106,
        "p95_error_cents": 18.536328262598897
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "hnm",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6408049818264205,
      "level_delta_db": 0.4632389837010116,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.0016660255987166433,
            "output_power": 0.0021039874192866613,
            "delta_db": 1.0136146852443686,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.0013721760661301176,
            "output_power": 0.001347730133095747,
            "delta_db": -0.0780690136516009,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.0002671981334156942,
            "output_power": 0.00024269183384721237,
            "delta_db": -0.41778256600056024,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.00015484336494479454,
            "output_power": 0.00016433999341869217,
            "delta_db": 0.25850664720230443,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 4.964239261077726e-05,
            "output_power": 4.915050186487953e-05,
            "delta_db": -0.04324748315128747,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 2.3652662315590996e-05,
            "output_power": 2.3377532771982527e-05,
            "delta_db": -0.05081357008308821,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.3103389942222016,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 75,
        "voiced_in_base": 98,
        "voiced_in_edit": 78,
        "p95_error_cents": 16.886594748207123
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "hnm",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 1.0493909339299776,
      "level_delta_db": 6.0,
      "gain_tracking_error_db": 0.0,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 98,
        "voiced_in_base": 98,
        "voiced_in_edit": 98,
        "p95_error_cents": 7.688223609155802e-13
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "hnm",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.26359508482878735,
      "level_delta_db": -6.000000000000001,
      "gain_tracking_error_db": -8.881784197001252e-16,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 98,
        "voiced_in_base": 98,
        "voiced_in_edit": 98,
        "p95_error_cents": 7.688223609155805e-13
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "hnm",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 120000,
      "output_samples": 120000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6096799826916067,
      "level_delta_db": -0.0691261399602354
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "world_harvest",
      "operation": "pitch_up3",
      "request": {
        "pitch_semitones": 3
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.4668307396420468,
      "level_delta_db": -0.8330365486225608,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.0018193296068102396,
            "output_power": 0.0012919392638363965,
            "delta_db": -1.4866928980222247,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.00180330962528755,
            "output_power": 0.0017315043438540017,
            "delta_db": -0.17646715362046209,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.00031354901824534435,
            "output_power": 0.00018191887537695272,
            "delta_db": -2.364276827500755,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.00021645015119688536,
            "output_power": 0.00020970273443630515,
            "delta_db": -0.13753799995524013,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 5.6694318658357245e-05,
            "output_power": 5.678181818461267e-05,
            "delta_db": 0.006697543644050503,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 3.0431313130909454e-05,
            "output_power": 2.791109748813013e-05,
            "delta_db": -0.3754377919785132,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.7578517024535408,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 119,
        "voiced_in_base": 119,
        "voiced_in_edit": 142,
        "p95_error_cents": 16.123690587510016
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "world_harvest",
      "operation": "pitch_down3",
      "request": {
        "pitch_semitones": -3
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6010588295743018,
      "level_delta_db": -0.3691165617867467,
      "band_change_after_pitch": {
        "bands": [
          {
            "low_hz": 0.0,
            "high_hz": 200.0,
            "reference_power": 0.0018193296068102396,
            "output_power": 0.001986026968218572,
            "delta_db": 0.3807375442300453,
            "reference_active": true
          },
          {
            "low_hz": 200.0,
            "high_hz": 500.0,
            "reference_power": 0.00180330962528755,
            "output_power": 0.001384055081739994,
            "delta_db": -1.1491692653171535,
            "reference_active": true
          },
          {
            "low_hz": 500.0,
            "high_hz": 1000.0,
            "reference_power": 0.00031354901824534435,
            "output_power": 0.00023677960603210935,
            "delta_db": -1.21961151671805,
            "reference_active": true
          },
          {
            "low_hz": 1000.0,
            "high_hz": 2000.0,
            "reference_power": 0.00021645015119688536,
            "output_power": 0.00020129889880419365,
            "delta_db": -0.3151649440855324,
            "reference_active": true
          },
          {
            "low_hz": 2000.0,
            "high_hz": 4000.0,
            "reference_power": 5.6694318658357245e-05,
            "output_power": 5.5587913950386484e-05,
            "delta_db": -0.08559163832954894,
            "reference_active": true
          },
          {
            "low_hz": 4000.0,
            "high_hz": 8000.0,
            "reference_power": 3.0431313130909454e-05,
            "output_power": 3.0557140292560615e-05,
            "delta_db": 0.017920152568291898,
            "reference_active": true
          }
        ],
        "power_floor": 1e-12,
        "active_band_count": 6,
        "band_count": 6,
        "active_band_mae_db": 0.5280325102081037,
        "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
        "status": "ok"
      },
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 96,
        "voiced_in_base": 119,
        "voiced_in_edit": 96,
        "p95_error_cents": 10.2746451065276
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "world_harvest",
      "operation": "gain_up6",
      "request": {
        "gain_db": 6
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 1.3209498482253577,
      "level_delta_db": 6.000001354501865,
      "gain_tracking_error_db": 1.354501865336033e-06,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 119,
        "voiced_in_base": 119,
        "voiced_in_edit": 119,
        "p95_error_cents": 0.0026267904092307395
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "world_harvest",
      "operation": "gain_down6",
      "request": {
        "gain_db": -6
      },
      "status": "measured",
      "requested_samples": 96000,
      "output_samples": 96000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.331809168508887,
      "level_delta_db": -6.000001456992109,
      "gain_tracking_error_db": -1.4569921091833749e-06,
      "relative_pitch": {
        "status": "estimated_relative_change_not_ground_truth",
        "total_frames": 593,
        "valid_pairs": 119,
        "voiced_in_base": 119,
        "voiced_in_edit": 119,
        "p95_error_cents": 0.007589880089579693
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "method": "world_harvest",
      "operation": "time_1p25",
      "request": {
        "time_scale": 1.25
      },
      "status": "measured",
      "requested_samples": 120000,
      "output_samples": 120000,
      "length_error_samples": 0,
      "finite": true,
      "peak": 0.6642830941695148,
      "level_delta_db": -0.045115578999813395
    }
  ],
  "decoder_only": [
    {
      "method": "hnm",
      "f0_hz": 0.0,
      "sample_rate": 16000,
      "status": "measured",
      "output_samples": 8000,
      "finite": true,
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 43,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      }
    },
    {
      "method": "hnm",
      "f0_hz": 140.0,
      "sample_rate": 16000,
      "status": "measured",
      "output_samples": 8000,
      "finite": true,
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 43,
        "expected_voiced_frames": 43,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 43,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.09239419661705571,
        "abs_error_cents_p95": 0.09248031680947179,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "method": "world_harvest",
      "f0_hz": 0.0,
      "sample_rate": 16000,
      "status": "measured",
      "output_samples": 8000,
      "finite": true,
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 43,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 43,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      }
    },
    {
      "method": "world_harvest",
      "f0_hz": 140.0,
      "sample_rate": 16000,
      "status": "measured",
      "output_samples": 8000,
      "finite": true,
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 43,
        "expected_voiced_frames": 43,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 43,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.11770727118258656,
        "abs_error_cents_p95": 0.19839938546532165,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    }
  ],
  "calibration": [
    {
      "case": "sine_120_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.941806022385313e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.26182902261729e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.2525420327375667e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.1223989132529024,
              "output_power": 0.1223989132529024,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 4.3525748203288054e-08,
              "output_power": 4.3525748203288054e-08,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2759237148214641e-11,
              "output_power": 1.2759237148214641e-11,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 2.003048030212706e-13,
              "output_power": 2.003048030212706e-13,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 5.051440946447032e-15,
              "output_power": 5.051440946447032e-15,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.2503175028988497e-16,
              "output_power": 1.2503175028988497e-16,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 1,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.030131128750209936,
          "abs_error_cents_p95": 0.03237711093418589,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -9.122222836739189,
        "output_peak": 0.5,
        "reference_rms_dbfs": -9.122222836739189,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "harmonic_110_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.976044629480609e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5995360552283572e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5800497103667606e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.05147918597288733,
              "output_power": 0.05147918597288733,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.012842494613159137,
              "output_power": 0.012842494613159137,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00199891954710928,
              "output_power": 0.00199891954710928,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0005740401624226474,
              "output_power": 0.0005740401624226474,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0002000693024622835,
              "output_power": 0.0002000693024622835,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.8188345938719944e-05,
              "output_power": 4.8188345938719944e-05,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.024150079212343203,
          "abs_error_cents_p95": 0.02530063271103916,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.729999181681606,
        "output_peak": 0.6,
        "reference_rms_dbfs": -11.729999181681606,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "harmonic_220_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8831011704983265e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4861423760000773e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4842442020779748e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.49916784158012e-05,
              "output_power": 5.49916784158012e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.061855119859678724,
              "output_power": 0.061855119859678724,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.004500346924411444,
              "output_power": 0.004500346924411444,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0020644179058127428,
              "output_power": 0.0020644179058127428,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005925150620932784,
              "output_power": 0.0005925150620932784,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.00014632183659341974,
              "output_power": 0.00014632183659341974,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.06874692594848918,
          "abs_error_cents_p95": 0.07365278710174623,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.598078505409127,
        "output_peak": 0.6,
        "reference_rms_dbfs": -11.598078505409127,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "missing_fundamental_150_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.6784924591140252e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200812243e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200811852e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.061915115378003e-09,
              "output_power": 2.061915115378003e-09,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.026039993468199775,
              "output_power": 0.026039993468199775,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.009394429724971783,
              "output_power": 0.009394429724971783,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005733143649652568,
              "output_power": 0.005733143649652568,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0006884043848610362,
              "output_power": 0.0006884043848610362,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.7542304123327258e-15,
              "output_power": 1.7542304123327258e-15,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 4,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.04531963559402408,
          "abs_error_cents_p95": 0.1094055094280233,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -13.7824255483687,
        "output_peak": 0.6,
        "reference_rms_dbfs": -13.7824255483687,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "harmonic_sweep_90_240_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 24000,
        "output_samples": 24000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.554055357778171e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.813555167305629e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.781870414968393e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.04239313445922007,
              "output_power": 0.04239313445922007,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.031065774522381732,
              "output_power": 0.031065774522381732,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.003072858618483715,
              "output_power": 0.003072858618483715,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.000991118137064746,
              "output_power": 0.000991118137064746,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00024487906219671575,
              "output_power": 0.00024487906219671575,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.1357525507446691e-05,
              "output_power": 1.1357525507446691e-05,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 143,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 143,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.7523859558975469,
          "abs_error_cents_p95": 3.117145006558854,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.091369618265535,
        "output_peak": 0.6,
        "reference_rms_dbfs": -11.091369618265535,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "pulse_iir_vowel_90_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5440384220059523e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.568043564410838e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.608045419880063e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0002523438933289186,
              "output_power": 0.0002523438933289186,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0008649859170864208,
              "output_power": 0.0008649859170864208,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.01922676647982728,
              "output_power": 0.01922676647982728,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0054264652782323,
              "output_power": 0.0054264652782323,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.7309008718690025e-05,
              "output_power": 2.7309008718690025e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 7.940988985707968e-10,
              "output_power": 7.940988985707968e-10,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 5,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.1281628933713823,
          "abs_error_cents_p95": 0.27157533602911393,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.88416126976294,
        "output_peak": 0.5996924672494939,
        "reference_rms_dbfs": -15.88416126976294,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "am_noise_6hz_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 24000,
        "output_samples": 24000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.196453952249548e-07
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.3844778753114973e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.660282693918681e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 1.7660251205809936e-06,
              "output_power": 1.7660251205809936e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.00033661167637180005,
              "output_power": 0.00033661167637180005,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0009012477313791158,
              "output_power": 0.0009012477313791158,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.001683090652131809,
              "output_power": 0.001683090652131809,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0034291918023174467,
              "output_power": 0.0034291918023174467,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0034051290715845775,
              "output_power": 0.0034051290715845775,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 143,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -20.10682049932848,
        "output_peak": 0.6,
        "reference_rms_dbfs": -20.10682049932848,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 25600,
        "output_samples": 25600,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.1356494948447747e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 8.004148315506265e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.980781269652513e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.010527047873563372,
              "output_power": 0.010527047873563372,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.001819280533181824,
              "output_power": 0.001819280533181824,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0015803116136899817,
              "output_power": 0.0015803116136899817,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0016111355972958136,
              "output_power": 0.0016111355972958136,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.002553265304867968,
              "output_power": 0.002553265304867968,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0022722881628369244,
              "output_power": 0.0022722881628369244,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 153,
          "expected_voiced_frames": 96,
          "expected_unvoiced_frames": 43,
          "boundary_frames": 14,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 96,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.11526563854894027,
          "abs_error_cents_p95": 0.11667414067294324,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -16.911512201837546,
        "output_peak": 0.6,
        "reference_rms_dbfs": -16.911512201837546,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "silence_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 12800,
        "output_samples": 12800,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 0,
          "band_count": 6,
          "active_band_mae_db": null,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "no_active_reference_bands"
        },
        "rms_gain_error_db": null,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -120.0,
        "output_peak": 0.0,
        "reference_rms_dbfs": -120.0,
        "rms_gain_status": "zero_reference_energy",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "impulse_16000",
      "measurement": {
        "status": "ok",
        "reference_samples": 12800,
        "output_samples": 12800,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.2500000000000002e-07
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.1250000000000005e-08
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.812500000000001e-09
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 4.8675537109375e-07,
              "output_power": 4.8675537109375e-07,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 7.324218750000001e-07,
              "output_power": 7.324218750000001e-07,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2207031250000002e-06,
              "output_power": 1.2207031250000002e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 2.4414062500000005e-06,
              "output_power": 2.4414062500000005e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 4.882812500000001e-06,
              "output_power": 4.882812500000001e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 9.767150878906252e-06,
              "output_power": 9.767150878906252e-06,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1280
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -47.092699609758306,
        "output_peak": 0.5,
        "reference_rms_dbfs": -47.092699609758306,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "sine_120_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.941805906784142e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.261829024122929e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.2525420327602955e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.1223983612665257,
              "output_power": 0.1223983612665257,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 4.368160051241552e-08,
              "output_power": 4.368160051241552e-08,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2623987216046109e-11,
              "output_power": 1.2623987216046109e-11,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 1.9568859245163652e-13,
              "output_power": 1.9568859245163652e-13,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 4.937000892258482e-15,
              "output_power": 4.937000892258482e-15,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.415789296131094e-16,
              "output_power": 1.415789296131094e-16,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 2.279383746168836e-18,
              "output_power": 2.279383746168836e-18,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 1,
          "band_count": 7,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.019681260388214012,
          "abs_error_cents_p95": 0.02114872971441477,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -9.122242416771481,
        "output_peak": 0.5,
        "reference_rms_dbfs": -9.122242416771481,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "harmonic_110_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.9760446201103816e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5995360553994829e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5800497103829576e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.05147895748194521,
              "output_power": 0.05147895748194521,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.012842424267491583,
              "output_power": 0.012842424267491583,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0019989077283542756,
              "output_power": 0.0019989077283542756,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0005740371316749717,
              "output_power": 0.0005740371316749717,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00020006846273392878,
              "output_power": 0.00020006846273392878,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.818816215187489e-05,
              "output_power": 4.818816215187489e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 6.9343892095099854e-18,
              "output_power": 6.9343892095099854e-18,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 7,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.02097575259089096,
          "abs_error_cents_p95": 0.02194761027132793,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.730019537814442,
        "output_peak": 0.6,
        "reference_rms_dbfs": -11.730019537814442,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "harmonic_220_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8829075025078097e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4859895249142301e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4840915451321505e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.491151368241255e-05,
              "output_power": 5.491151368241255e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.061842179029333574,
              "output_power": 0.061842179029333574,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0044993993032403385,
              "output_power": 0.0044993993032403385,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0020639838015985745,
              "output_power": 0.0020639838015985745,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005923905147946086,
              "output_power": 0.0005923905147946086,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.00014629106162114991,
              "output_power": 0.00014629106162114991,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 2.135938879727136e-18,
              "output_power": 2.135938879727136e-18,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 7,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.0755472727480109,
          "abs_error_cents_p95": 0.07789108206093558,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.598992073304835,
        "output_peak": 0.6,
        "reference_rms_dbfs": -11.598992073304835,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "missing_fundamental_150_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.6789106478412106e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.59693716728409e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.59693716728388e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.0390810256231928e-09,
              "output_power": 2.0390810256231928e-09,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.026052876569692504,
              "output_power": 0.026052876569692504,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00939908553778103,
              "output_power": 0.00939908553778103,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005735985755836545,
              "output_power": 0.005735985755836545,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0006887453396994243,
              "output_power": 0.0006887453396994243,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.42139458684016e-15,
              "output_power": 1.42139458684016e-15,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 1.550662980281035e-17,
              "output_power": 1.550662980281035e-17,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 4,
          "band_count": 7,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.03345571045785979,
          "abs_error_cents_p95": 0.03345571045978181,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -13.78027598596679,
        "output_peak": 0.6,
        "reference_rms_dbfs": -13.78027598596679,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "harmonic_sweep_90_240_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 36000,
        "output_samples": 36000,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.55320470668471e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8136621563529383e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.7818710827781096e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.04239361340416796,
              "output_power": 0.04239361340416796,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.03106500151487297,
              "output_power": 0.03106500151487297,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0030728431524343755,
              "output_power": 0.0030728431524343755,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.000991105398187423,
              "output_power": 0.000991105398187423,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00024487204538874196,
              "output_power": 0.00024487204538874196,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.135676467453045e-05,
              "output_power": 1.135676467453045e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 3.2406827864853453e-18,
              "output_power": 3.2406827864853453e-18,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 7,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 143,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 143,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.7517397795693007,
          "abs_error_cents_p95": 3.078310669659668,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.091388047000379,
        "output_peak": 0.6,
        "reference_rms_dbfs": -11.091388047000379,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "pulse_iir_vowel_90_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 28800,
        "output_samples": 28800,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5469380564580222e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.554453537804852e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.593378972549988e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.000253091636230152,
              "output_power": 0.000253091636230152,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0008666933732315855,
              "output_power": 0.0008666933732315855,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.01924727343304346,
              "output_power": 0.01924727343304346,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005429834188185286,
              "output_power": 0.005429834188185286,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.6911704595528546e-05,
              "output_power": 2.6911704595528546e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 7.567305096100016e-10,
              "output_power": 7.567305096100016e-10,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 1.9946245986022405e-13,
              "output_power": 1.9946245986022405e-13,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 5,
          "band_count": 7,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.01313539760686003,
          "abs_error_cents_p95": 0.08804423520154184,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.879797648272351,
        "output_peak": 0.6,
        "reference_rms_dbfs": -15.879797648272351,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "am_noise_6hz_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 36000,
        "output_samples": 36000,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.631656165540323e-07
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.5855187109493593e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.0674113225451663e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 1.1631862164563455e-06,
              "output_power": 1.1631862164563455e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0003336513722501128,
              "output_power": 0.0003336513722501128,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.000950264796862024,
              "output_power": 0.000950264796862024,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0018267199561446922,
              "output_power": 0.0018267199561446922,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.003672192455577471,
              "output_power": 0.003672192455577471,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0038056228070004667,
              "output_power": 0.0038056228070004667,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 6.833598729632565e-06,
              "output_power": 6.833598729632565e-06,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 7,
          "band_count": 7,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 143,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -19.748396816649617,
        "output_peak": 0.6,
        "reference_rms_dbfs": -19.748396816649617,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 38400,
        "output_samples": 38400,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4829081495669723e-06
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.0451655225896614e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.0421143003023435e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.017949668611672003,
              "output_power": 0.017949668611672003,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.00305335715464887,
              "output_power": 0.00305335715464887,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0023364217946556785,
              "output_power": 0.0023364217946556785,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0018669016013489377,
              "output_power": 0.0018669016013489377,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0027969227390688516,
              "output_power": 0.0027969227390688516,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0029185612082491936,
              "output_power": 0.0029185612082491936,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 1.956235821234014e-05,
              "output_power": 1.956235821234014e-05,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 7,
          "band_count": 7,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 153,
          "expected_voiced_frames": 96,
          "expected_unvoiced_frames": 43,
          "boundary_frames": 14,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 96,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.04836619574829707,
          "abs_error_cents_p95": 0.048414803844663595,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.094601033605402,
        "output_peak": 0.6,
        "reference_rms_dbfs": -15.094601033605402,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "silence_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 0,
          "band_count": 7,
          "active_band_mae_db": null,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "no_active_reference_bands"
        },
        "rms_gain_error_db": null,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -120.0,
        "output_peak": 0.0,
        "reference_rms_dbfs": -120.0,
        "rms_gain_status": "zero_reference_energy",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "impulse_24000",
      "measurement": {
        "status": "ok",
        "reference_samples": 19200,
        "output_samples": 19200,
        "length_delta_samples": 0,
        "sample_rate": 24000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 120,
            "hop_samples": 30,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 8.333333333333335e-08
          },
          {
            "window_ms": 20,
            "window_samples": 480,
            "hop_samples": 120,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.0833333333333338e-08
          },
          {
            "window_ms": 80,
            "window_samples": 1920,
            "hop_samples": 480,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 5.2083333333333345e-09
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.1633572048611113e-07,
              "output_power": 2.1633572048611113e-07,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 3.2552083333333327e-07,
              "output_power": 3.2552083333333327e-07,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 5.425347222222223e-07,
              "output_power": 5.425347222222223e-07,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 1.0850694444444447e-06,
              "output_power": 1.0850694444444447e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.1701388888888893e-06,
              "output_power": 2.1701388888888893e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.340277777777779e-06,
              "output_power": 4.340277777777779e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 12000.0,
              "reference_power": 4.340955946180557e-06,
              "output_power": 4.340955946180557e-06,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 7,
          "band_count": 7,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 1920
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -48.85361220031512,
        "output_peak": 0.5,
        "reference_rms_dbfs": -48.85361220031512,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "sine_120_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.941805880114473e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.2618290244702303e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.252542032765538e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.12239780857734177,
              "output_power": 0.12239780857734177,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 4.3839185584805135e-08,
              "output_power": 4.3839185584805135e-08,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.2501389969226049e-11,
              "output_power": 1.2501389969226049e-11,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 1.9138815548273091e-13,
              "output_power": 1.9138815548273091e-13,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 4.8072606896262115e-15,
              "output_power": 4.8072606896262115e-15,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.413952508919099e-16,
              "output_power": 1.413952508919099e-16,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 4.225800834967686e-18,
              "output_power": 4.225800834967686e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 6.810009625368615e-20,
              "output_power": 6.810009625368615e-20,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 1,
          "band_count": 8,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.0049288302617261194,
          "abs_error_cents_p95": 0.005288276413549499,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -9.122262021767263,
        "output_peak": 0.5,
        "reference_rms_dbfs": -9.122262021767263,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "harmonic_110_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.976031976226823e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5995292608606799e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5800429985876247e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.051478291260778665,
              "output_power": 0.051478291260778665,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.01284224448528195,
              "output_power": 0.01284224448528195,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0019988789077755287,
              "output_power": 0.0019988789077755287,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.000574029237132317,
              "output_power": 0.000574029237132317,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00020006592032709576,
              "output_power": 0.00020006592032709576,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 4.818756876905675e-05,
              "output_power": 4.818756876905675e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.18414332675984e-17,
              "output_power": 1.18414332675984e-17,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 1.9747985191787345e-19,
              "output_power": 1.9747985191787345e-19,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 8,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.0033589365806560682,
          "abs_error_cents_p95": 0.0035056793480827135,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.730076837392167,
        "output_peak": 0.6,
        "reference_rms_dbfs": -11.730076837392167,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "harmonic_220_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8828945713001331e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4859793167314665e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.4840813497420889e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.4841924970992106e-05,
              "output_power": 5.4841924970992106e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.061841111531313796,
              "output_power": 0.061841111531313796,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.004499315567952621,
              "output_power": 0.004499315567952621,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.002063945986683421,
              "output_power": 0.002063945986683421,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005923797075262987,
              "output_power": 0.0005923797075262987,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.00014628837300187047,
              "output_power": 0.00014628837300187047,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.4627755375778767e-18,
              "output_power": 1.4627755375778767e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 5.18330972539492e-20,
              "output_power": 5.18330972539492e-20,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 8,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.017461330431862,
          "abs_error_cents_p95": 0.017960775383457236,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.599071913201911,
        "output_peak": 0.6,
        "reference_rms_dbfs": -11.599071913201911,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "missing_fundamental_150_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.6784923452864682e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200811072e-07
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.594546200810943e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 2.013947075921961e-09,
              "output_power": 2.013947075921961e-09,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.026039799719722992,
              "output_power": 0.026039799719722992,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.009394375763728136,
              "output_power": 0.009394375763728136,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005733112306803246,
              "output_power": 0.005733112306803246,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0006884000038671073,
              "output_power": 0.0006884000038671073,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.2347614644895594e-15,
              "output_power": 1.2347614644895594e-15,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.3212581182706175e-17,
              "output_power": 1.3212581182706175e-17,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 2.673896070224589e-19,
              "output_power": 2.673896070224589e-19,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 4,
          "band_count": 8,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.008408297691095995,
          "abs_error_cents_p95": 0.008408297692249224,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -13.782454962302342,
        "output_peak": 0.6,
        "reference_rms_dbfs": -13.782454962302342,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "harmonic_sweep_90_240_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 72000,
        "output_samples": 72000,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.55150508956732e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.8137636805643976e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.7818726325739977e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.04239413506753674,
              "output_power": 0.04239413506753674,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.031064259628998756,
              "output_power": 0.031064259628998756,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.003072830805318983,
              "output_power": 0.003072830805318983,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0009910936221402817,
              "output_power": 0.0009910936221402817,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.00024486526471175564,
              "output_power": 0.00024486526471175564,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.1356011487650316e-05,
              "output_power": 1.1356011487650316e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 6.167684438722045e-18,
              "output_power": 6.167684438722045e-18,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 7.92407301634303e-20,
              "output_power": 7.92407301634303e-20,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 8,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 143,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 143,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.7520633299271753,
          "abs_error_cents_p95": 3.0660937295776733,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -11.091402111254231,
        "output_peak": 0.6,
        "reference_rms_dbfs": -11.091402111254231,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "pulse_iir_vowel_90_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 57600,
        "output_samples": 57600,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.544388643952995e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 7.568597472259627e-07
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.58148002312151e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.00025319912849527503,
              "output_power": 0.00025319912849527503,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0008665060581519603,
              "output_power": 0.0008665060581519603,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.01922144503644029,
              "output_power": 0.01922144503644029,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.005413878634268725,
              "output_power": 0.005413878634268725,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 2.673915483767176e-05,
              "output_power": 2.673915483767176e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 7.338857218233313e-10,
              "output_power": 7.338857218233313e-10,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 1.797749457826996e-13,
              "output_power": 1.797749457826996e-13,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 7.994683551270167e-17,
              "output_power": 7.994683551270167e-17,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 5,
          "band_count": 8,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 113,
          "expected_voiced_frames": 113,
          "expected_unvoiced_frames": 0,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 113,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.005687022073118816,
          "abs_error_cents_p95": 0.05414171206447127,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": null,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -15.8868729138951,
        "output_peak": 0.5996395620462861,
        "reference_rms_dbfs": -15.8868729138951,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "am_noise_6hz_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 72000,
        "output_samples": 72000,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.552902439330402e-07
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 3.42738569490461e-07
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.5353408899322663e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 8.871501047754418e-07,
              "output_power": 8.871501047754418e-07,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0002722044085115042,
              "output_power": 0.0002722044085115042,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0006828458443453354,
              "output_power": 0.0006828458443453354,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0013396582156900432,
              "output_power": 0.0013396582156900432,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0027292042373384708,
              "output_power": 0.0027292042373384708,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.002855527574868151,
              "output_power": 0.002855527574868151,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 6.61838156225461e-05,
              "output_power": 6.61838156225461e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 7.9884632100967e-09,
              "output_power": 7.9884632100967e-09,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 8,
          "band_count": 8,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 143,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 143,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -20.99823061039579,
        "output_peak": 0.6,
        "reference_rms_dbfs": -20.99823061039579,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "voiced_unvoiced_boundaries_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 76800,
        "output_samples": 76800,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.9324218569546794e-06
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.3619863838507488e-06
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.3580102448380447e-06
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.03047380309215163,
              "output_power": 0.03047380309215163,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.005157709327867115,
              "output_power": 0.005157709327867115,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00353875006812259,
              "output_power": 0.00353875006812259,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.002029762060050069,
              "output_power": 0.002029762060050069,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.002606577366861781,
              "output_power": 0.002606577366861781,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0024034467397108395,
              "output_power": 0.0024034467397108395,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 0.00013061289319707598,
              "output_power": 0.00013061289319707598,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 1.5360693858317516e-07,
              "output_power": 1.5360693858317516e-07,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 8,
          "band_count": 8,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 153,
          "expected_voiced_frames": 96,
          "expected_unvoiced_frames": 43,
          "boundary_frames": 14,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 96,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": 0.008094127872799416,
          "abs_error_cents_p95": 0.008103680851882001,
          "voiced_detection_rate": 1.0,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "ok",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -13.340363310518448,
        "output_peak": 0.6,
        "reference_rms_dbfs": -13.340363310518448,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "silence_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 38400,
        "output_samples": 38400,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": null,
            "spectral_convergence_status": "zero_reference_energy",
            "amplitude_floor": 1e-10
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 0.0,
              "output_power": 0.0,
              "delta_db": 0.0,
              "reference_active": false
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 0,
          "band_count": 8,
          "active_band_mae_db": null,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "no_active_reference_bands"
        },
        "rms_gain_error_db": null,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -120.0,
        "output_peak": 0.0,
        "reference_rms_dbfs": -120.0,
        "rms_gain_status": "zero_reference_energy",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "impulse_48000",
      "measurement": {
        "status": "ok",
        "reference_samples": 38400,
        "output_samples": 38400,
        "length_delta_samples": 0,
        "sample_rate": 48000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 240,
            "hop_samples": 60,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 4.1666666666666676e-08
          },
          {
            "window_ms": 20,
            "window_samples": 960,
            "hop_samples": 240,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.0416666666666669e-08
          },
          {
            "window_ms": 80,
            "window_samples": 3840,
            "hop_samples": 960,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 2.6041666666666672e-09
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 5.408393012152778e-08,
              "output_power": 5.408393012152778e-08,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 8.138020833333332e-08,
              "output_power": 8.138020833333332e-08,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 1.3563368055555558e-07,
              "output_power": 1.3563368055555558e-07,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 2.7126736111111116e-07,
              "output_power": 2.7126736111111116e-07,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 5.425347222222223e-07,
              "output_power": 5.425347222222223e-07,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 1.0850694444444447e-06,
              "output_power": 1.0850694444444447e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 8000.0,
              "high_hz": 16000.0,
              "reference_power": 2.1701388888888893e-06,
              "output_power": 2.1701388888888893e-06,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 16000.0,
              "high_hz": 24000.0,
              "reference_power": 2.170308430989584e-06,
              "output_power": 2.170308430989584e-06,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 8,
          "band_count": 8,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": {
          "estimator": "independent-yin-difference-v2-prefiltered",
          "frame_ms": 80.0,
          "hop_ms": 10.0,
          "prefilter": {
            "kind": "butterworth-forward-backward",
            "order_per_pass": 6,
            "cutoff_hz": 2000.0,
            "pad_type": "even",
            "max_pad_samples": 3840
          },
          "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
          "fmin_hz": 65.0,
          "fmax_hz": 700.0,
          "total_frames": 73,
          "expected_voiced_frames": 0,
          "expected_unvoiced_frames": 73,
          "boundary_frames": 0,
          "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
          "valid_voiced_frames": 0,
          "missing_voiced_frames": 0,
          "false_voiced_frames": 0,
          "gross_pitch_error_frames": 0,
          "abs_error_cents_median": null,
          "abs_error_cents_p95": null,
          "voiced_detection_rate": null,
          "unvoiced_false_positive_rate": 0.0,
          "score_status": "no_valid_voiced_frames",
          "uncovered_tail_samples": 0
        },
        "output_rms_dbfs": -51.86391215695493,
        "output_peak": 0.5,
        "reference_rms_dbfs": -51.86391215695493,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "librispeech_5142-36586_first6s",
      "measurement": {
        "status": "ok",
        "reference_samples": 96000,
        "output_samples": 96000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.142335289882602e-07
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 6.848824211945687e-07
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 4.856831169332098e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0001524928320973097,
              "output_power": 0.0001524928320973097,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.000614847570631693,
              "output_power": 0.000614847570631693,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.0006546222632577629,
              "output_power": 0.0006546222632577629,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.00045735665465447865,
              "output_power": 0.00045735665465447865,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 0.0005074094182988508,
              "output_power": 0.0005074094182988508,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 0.0001454970054415293,
              "output_power": 0.0001454970054415293,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": null,
        "output_rms_dbfs": -25.964975801834793,
        "output_peak": 0.3843994140625,
        "reference_rms_dbfs": -25.964975801834793,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    },
    {
      "case": "librispeech_7021-79759_first6s",
      "measurement": {
        "status": "ok",
        "reference_samples": 96000,
        "output_samples": 96000,
        "length_delta_samples": 0,
        "sample_rate": 16000,
        "reference_finite": true,
        "output_finite": true,
        "alignment": "none",
        "gain_normalization": "none",
        "mr_stft": [
          {
            "window_ms": 5,
            "window_samples": 80,
            "hop_samples": 20,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.917174240126096e-06
          },
          {
            "window_ms": 20,
            "window_samples": 320,
            "hop_samples": 80,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 1.3764120923669142e-06
          },
          {
            "window_ms": 80,
            "window_samples": 1280,
            "hop_samples": 320,
            "log_magnitude_mae_db": 0.0,
            "spectral_convergence": 0.0,
            "spectral_convergence_status": "ok",
            "amplitude_floor": 9.65726411302904e-07
          }
        ],
        "band_energy": {
          "bands": [
            {
              "low_hz": 0.0,
              "high_hz": 200.0,
              "reference_power": 0.0016535338650408523,
              "output_power": 0.0016535338650408523,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 200.0,
              "high_hz": 500.0,
              "reference_power": 0.0014061361443478543,
              "output_power": 0.0014061361443478543,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 500.0,
              "high_hz": 1000.0,
              "reference_power": 0.00023886716309266744,
              "output_power": 0.00023886716309266744,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 1000.0,
              "high_hz": 2000.0,
              "reference_power": 0.00017008225892163728,
              "output_power": 0.00017008225892163728,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 2000.0,
              "high_hz": 4000.0,
              "reference_power": 5.1305941766241635e-05,
              "output_power": 5.1305941766241635e-05,
              "delta_db": 0.0,
              "reference_active": true
            },
            {
              "low_hz": 4000.0,
              "high_hz": 8000.0,
              "reference_power": 2.4673803234657673e-05,
              "output_power": 2.4673803234657673e-05,
              "delta_db": 0.0,
              "reference_active": true
            }
          ],
          "power_floor": 1e-12,
          "active_band_count": 6,
          "band_count": 6,
          "active_band_mae_db": 0.0,
          "active_policy": "reference power > max(1e-12, total reference power * 1e-6)",
          "status": "ok"
        },
        "rms_gain_error_db": 0.0,
        "pitch": null,
        "output_rms_dbfs": -24.504328677638092,
        "output_peak": 0.61859130859375,
        "reference_rms_dbfs": -24.504328677638092,
        "rms_gain_status": "ok",
        "mr_stft_log_magnitude_mae_db": 0.0
      }
    }
  ],
  "diagnostics": [
    {
      "case": "harmonic_110_16000",
      "diagnostic": "save_load",
      "label": "保存・読込",
      "status": "measured",
      "max_abs_waveform_difference": 0.0,
      "compressed_parameter_bytes": 1994215
    },
    {
      "case": "harmonic_110_16000",
      "diagnostic": "phase_detail_pitch",
      "status": "measured",
      "details": true,
      "pitch_semitones": -3,
      "label": "位相細部あり・音高-3半音",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.01666288069039127,
        "abs_error_cents_p95": 0.05288558340036764,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "diagnostic": "phase_detail_pitch",
      "status": "measured",
      "details": true,
      "pitch_semitones": 3,
      "label": "位相細部あり・音高+3半音",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.06895333819393065,
        "abs_error_cents_p95": 0.07903017642258851,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "diagnostic": "phase_detail_pitch",
      "status": "measured",
      "details": false,
      "pitch_semitones": -3,
      "label": "位相細部なし・音高-3半音",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.0572510897087474,
        "abs_error_cents_p95": 0.1733296071556432,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "diagnostic": "phase_detail_pitch",
      "status": "measured",
      "details": false,
      "pitch_semitones": 3,
      "label": "位相細部なし・音高+3半音",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.0981959185644729,
        "abs_error_cents_p95": 0.115935763250896,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_110_16000",
      "diagnostic": "noise_only_periodicity",
      "label": "雑音成分だけの周期性",
      "status": "measured",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 113,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "rms": 0.00779256730275366
    },
    {
      "case": "harmonic_220_16000",
      "diagnostic": "save_load",
      "label": "保存・読込",
      "status": "measured",
      "max_abs_waveform_difference": 0.0,
      "compressed_parameter_bytes": 1962438
    },
    {
      "case": "harmonic_220_16000",
      "diagnostic": "phase_detail_pitch",
      "status": "measured",
      "details": true,
      "pitch_semitones": -3,
      "label": "位相細部あり・音高-3半音",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.07110957671636121,
        "abs_error_cents_p95": 0.09523517359699768,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_220_16000",
      "diagnostic": "phase_detail_pitch",
      "status": "measured",
      "details": true,
      "pitch_semitones": 3,
      "label": "位相細部あり・音高+3半音",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.22482079169244507,
        "abs_error_cents_p95": 0.2399662185777849,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_220_16000",
      "diagnostic": "phase_detail_pitch",
      "status": "measured",
      "details": false,
      "pitch_semitones": -3,
      "label": "位相細部なし・音高-3半音",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.1400995733925185,
        "abs_error_cents_p95": 0.1545252023813578,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_220_16000",
      "diagnostic": "phase_detail_pitch",
      "status": "measured",
      "details": false,
      "pitch_semitones": 3,
      "label": "位相細部なし・音高+3半音",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 113,
        "expected_unvoiced_frames": 0,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 113,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": 0.08063336993469461,
        "abs_error_cents_p95": 0.10815680595953618,
        "voiced_detection_rate": 1.0,
        "unvoiced_false_positive_rate": null,
        "score_status": "ok",
        "uncovered_tail_samples": 0
      }
    },
    {
      "case": "harmonic_220_16000",
      "diagnostic": "noise_only_periodicity",
      "label": "雑音成分だけの周期性",
      "status": "measured",
      "pitch": {
        "estimator": "independent-yin-difference-v2-prefiltered",
        "frame_ms": 80.0,
        "hop_ms": 10.0,
        "prefilter": {
          "kind": "butterworth-forward-backward",
          "order_per_pass": 6,
          "cutoff_hz": 2000.0,
          "pad_type": "even",
          "max_pad_samples": 1280
        },
        "validated_scope": "independent synthetic calibration; requires sufficient periodic energy below 2 kHz; not validated for natural speech",
        "fmin_hz": 65.0,
        "fmax_hz": 700.0,
        "total_frames": 113,
        "expected_voiced_frames": 0,
        "expected_unvoiced_frames": 113,
        "boundary_frames": 0,
        "boundary_policy": "mixed-truth windows counted but excluded from cent and UV summaries",
        "valid_voiced_frames": 0,
        "missing_voiced_frames": 0,
        "false_voiced_frames": 0,
        "gross_pitch_error_frames": 0,
        "abs_error_cents_median": null,
        "abs_error_cents_p95": null,
        "voiced_detection_rate": null,
        "unvoiced_false_positive_rate": 0.0,
        "score_status": "no_valid_voiced_frames",
        "uncovered_tail_samples": 0
      },
      "rms": 0.0067878718989261445
    }
  ],
  "unsupported_operations": [],
  "native_builds": {
    "world": {
      "revision": "c794856b537758a3d300757db2e5e31685a822c2",
      "lock_sha256": "44b8bc3adb62802ed060834d9e06ed7f5f3cc4d28583b8a44066c5959a42462b",
      "compiler": "g++",
      "compiler_version": "g++ (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0",
      "flags": [
        "-std=c++11",
        "-O2",
        "-fPIC",
        "-shared"
      ],
      "library_sha256": "01aa04d0c3fec82c2bf4a00e3417e00d77caff8ac8078a4b8ec5b611b081b86d",
      "source_sha256": {
        "src/world/cheaptrick.h": "90acc1f7cbb692cccee2467ebe1c9d5499d92deaad7fd3c04416edf29f6c261d",
        "src/world/codec.h": "529736e308dd168ed60bd1dd76059ea8e04697de9d36c019dd9abccac22283a0",
        "src/world/common.h": "7a761e7d92a3dff74141f73a0bb36ea7af543f314638e4d53be21dfd3d6924d1",
        "src/world/constantnumbers.h": "ed3d3aec8d0e019db68b3845198bb2c87eedd1cd26a694a830bd57f4d26ba323",
        "src/world/d4c.h": "c736bb57d4b07ed74d8a56fb8302b6de0d5b21d4b5845fe115293aff9b71b55f",
        "src/world/dio.h": "e5a433f4454250f9e3a9c60dc40de65caea0cb26ad4073b87c739773a22d1ddd",
        "src/world/fft.h": "ac321b81dea5e8118933ecc66d2d9cbfb7721da52892a64d8a4f2e18a65829d6",
        "src/world/harvest.h": "1ab55206a28236b96e8bdd0f18ddd0ec45ad874217b876ab4a9a2699619e3de2",
        "src/world/macrodefinitions.h": "6d5417f864a4a4d95b470e72e3cb0114e8c96ba33cc189341e83a9f345e664f0",
        "src/world/matlabfunctions.h": "192a6be8cf749c147a7b5119b14ad50c5ddbddba9d6c810fbdf64f0dd7dc2af4",
        "src/world/stonemask.h": "e98a951d7443b81ed0062434a6656efd812011beb57a94c0492c13471698a7fc",
        "src/world/synthesis.h": "3905ef8d0f77a4d3081a3ec11cc81f61e0c0b8db42ce37db1d6a76d5a5096e44",
        "src/world/synthesisrealtime.h": "a0f21ec940cc6e692ef6e4cdce6e920c79ae3faff605bb5816ef19686dc60739",
        "src/cheaptrick.cpp": "6481ea68ebc3a90151852cea8a2efbf1bf6683e823b737847ce57a69f7cbe00b",
        "src/codec.cpp": "acbd6c22763d036ac338fee82c061e8526fdd2d68006fb4e73d4c58c9842b9e2",
        "src/common.cpp": "ef4a982d103bfd4c0efe6f1e6fa1192809e07ac39289f29951f3d95f1af8ca51",
        "src/d4c.cpp": "a988f6154b5c3332a17f2153a1e32afb04e798d57fa99ed08670c6a64e0ad28a",
        "src/dio.cpp": "38449de8a16c6ac6405b7289ed2e8adac9400885d53d181639ebd063366756da",
        "src/fft.cpp": "7a580cc02a0b040bf39de9a841f18b527a711093309ef408c08271abed6eec62",
        "src/harvest.cpp": "e9e80047a9d9ed3ff8521b966985c0b912ac09415565da1cc821319dc454975e",
        "src/matlabfunctions.cpp": "250d4cdc31b64cb3bda3a0c988d3853a09e66dd85f15f167161948d938662a4c",
        "src/stonemask.cpp": "de68ab826ff94176bfa89b5caf7ba46a6a0497eaaf1957e2e942245b7b663e76",
        "src/synthesis.cpp": "9888973e28f2194a0eb9807e18e36680f3d912bef3ddf174dc640fedc4e08b4c",
        "src/synthesisrealtime.cpp": "01403f641a1dce3de564335859b82815162bdee2ae7e25b5fa2288930539f5f2",
        "LICENSE.txt": "6921ef0a65a931509b4055075fd847d7257c4094609075dd0615e8e997215f7e"
      }
    }
  },
  "development_iteration": {
    "summary": "雑音量を入力パワーと調波定常パワーの差から求める案を見直し、短時間波形上で調波振幅を1係数で合わせた後の差のPSDを有限帯域で保存。残差波形は保存しない。",
    "scope": "初代作成中の探索。16 kHz人工10例と自然2例。正式ベース置換の比較ではない。旧候補コードはGit管理しない。",
    "provenance_limit": "同一入力・同一測定器。前後の全記録を保存。元候補のソースハッシュは未保存のため、前案の厳密再現性には限界がある。",
    "rows": [
      {
        "case": "sine_120_16000",
        "before_mr_stft_db": 2.0072622909568136,
        "after_mr_stft_db": 1.2372473671919642
      },
      {
        "case": "harmonic_110_16000",
        "before_mr_stft_db": 6.272704556914732,
        "after_mr_stft_db": 0.6589666730378956
      },
      {
        "case": "harmonic_220_16000",
        "before_mr_stft_db": 6.706061247359607,
        "after_mr_stft_db": 1.8724263719713932
      },
      {
        "case": "missing_fundamental_150_16000",
        "before_mr_stft_db": 6.458556801571387,
        "after_mr_stft_db": 3.7778347002419586
      },
      {
        "case": "harmonic_sweep_90_240_16000",
        "before_mr_stft_db": 3.663746373748331,
        "after_mr_stft_db": 1.619659042668707
      },
      {
        "case": "pulse_iir_vowel_90_16000",
        "before_mr_stft_db": 4.58408202331175,
        "after_mr_stft_db": 1.3814192419288815
      },
      {
        "case": "am_noise_6hz_16000",
        "before_mr_stft_db": 6.1415462933855585,
        "after_mr_stft_db": 6.1415462933855585
      },
      {
        "case": "voiced_unvoiced_boundaries_16000",
        "before_mr_stft_db": 4.851221567865161,
        "after_mr_stft_db": 3.3134957392333564
      },
      {
        "case": "silence_16000",
        "before_mr_stft_db": 0.0,
        "after_mr_stft_db": 0.0
      },
      {
        "case": "impulse_16000",
        "before_mr_stft_db": 3.717188241413522,
        "after_mr_stft_db": 3.717188241413522
      },
      {
        "case": "librispeech_5142-36586_first6s",
        "before_mr_stft_db": 6.123762831532566,
        "after_mr_stft_db": 5.96647826799144
      },
      {
        "case": "librispeech_7021-79759_first6s",
        "before_mr_stft_db": 5.710229465872717,
        "after_mr_stft_db": 5.309757379085367
      }
    ]
  }
}