{
  "date": "2026-10-18",
  "engine": "spectral-comparison-v2 / 2.0.0",
  "render_date": "2026-10-10",
  "fixture": "Project-generated harmonic/noise signal with an added 6 kHz tone",
  "mode": "repair",
  "amount": 0.5,
  "duration_seconds": 3,
  "level_policy": "Existing RMS-matched audition files and common headroom; no additional per-variant processing",
  "website": "Playback of pre-rendered evidence, not browser restoration inference",
  "listening_quality_validated": false,
  "spectrum": "4096-sample Hann-windowed power averaged across frames and channels, common dBFS scale",
  "files": [
    {
      "variant": "original",
      "file": "audio/original-audition.wav",
      "sha256": "2a0185f39fb30f04a97439d2fc4541f7411eb8984e1396b331d1ce22a793ccf2",
      "frames": 72000,
      "channels": 2,
      "sample_rate": 24000,
      "encoding": "IEEE float32 WAV; copied byte-for-byte from verified audition output"
    },
    {
      "variant": "baseline",
      "file": "audio/baseline-audition.wav",
      "sha256": "690edc03c4222711d2d3d9a6503f4c777a8de3db340fb24c27914d038c1720e9",
      "frames": 72000,
      "channels": 2,
      "sample_rate": 24000,
      "encoding": "IEEE float32 WAV; copied byte-for-byte from verified audition output"
    },
    {
      "variant": "candidate",
      "file": "audio/candidate-audition.wav",
      "sha256": "f7b42194066cddc496b71d902acdc73c385104b70da5e428dbd463e5c0e24a27",
      "frames": 72000,
      "channels": 2,
      "sample_rate": 24000,
      "encoding": "IEEE float32 WAV; copied byte-for-byte from verified audition output"
    },
    {
      "variant": "reference",
      "file": "audio/reference-audition.wav",
      "sha256": "277e737cd16e58d0f46f25e5194d1fac75c9eda35be3bc31f8a49338051576db",
      "frames": 72000,
      "channels": 2,
      "sample_rate": 24000,
      "encoding": "IEEE float32 WAV; copied byte-for-byte from verified audition output"
    }
  ]
}