{
  "dateBeijing": "2026-10-04",
  "checkedAtUtc": "2026-10-04T04:19:53.250Z",
  "scope": "Generated sine-phrase MP3 controls, native FFmpeg mono decode at 22050 Hz, offline Basic Pitch CPU inference and the same extraction/writer parameters as the unchanged site. Not a browser decode, DAW import, real instrument or accuracy benchmark.",
  "environment": {
    "node": "v24.19.0",
    "platform": "win32",
    "backend": "cpu",
    "basicPitch": "1.0.1",
    "midiWriter": "2.0.28"
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  "sourceAppSha256": "e42f9b0b60bb6fd73b2539a1ae9ca3b09f34ab874e35423162b384df68c19660",
  "parameters": {
    "sampleRate": 22050,
    "channels": 1,
    "bitDepth": 16,
    "sourcePeak": 0.4,
    "sourcePitches": [
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      64,
      67,
      72
    ],
    "baselineSourceStarts": [
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      0.75,
      1.3,
      1.85
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    "toneDurationSeconds": 0.35,
    "edgeFadeSamples": 220,
    "addedSilenceSeconds": 2,
    "mp3BitrateKbps": 128,
    "onsetThreshold": 0.25,
    "frameThreshold": 0.25,
    "minNoteLengthFrames": 5
  },
  "results": [
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    "pitchesUnchanged": true,
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    "velocitiesUnchanged": true,
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}