{
  "testedAt": "2026-10-14",
  "method": "Generated mono PCM WAV fixture; sample inspection and the exact deployed detector/MIDI writer were rerun in Node VM.",
  "results": [
    {
      "name": "piano-like-melody",
      "events": 1,
      "notes": [
        {
          "pitch": 60,
          "start": 0.11972789115646258,
          "end": 0.6784580498866213
        }
      ],
      "status": "Conversion complete. Adjust the controls, preview, then download."
    },
    {
      "name": "silent-control",
      "events": 0,
      "notes": [],
      "status": "No clear notes found. Try a louder, isolated melody or lower confidence."
    }
  ],
  "sourceSHA256": "ee653bbc126d88c86dc59697e6f34a304575dea13bc54578fef2ad0a209a1d83",
  "fixtureTruth": {
    "source": "actual WAV sample inspection",
    "durationSeconds": 3.2,
    "sampleRate": 11025,
    "fileBytes": 70604,
    "audibleBursts": [
      {
        "detectorEvents": 1,
        "endApprox": 0.68,
        "pitch": 60,
        "startApprox": 0.2
      }
    ],
    "silentRanges": [
      "0.68-3.2s"
    ],
    "note": "The file bytes contain one audible tone burst; the later intended positions are silent."
  },
  "parameterTests": [
    {
      "lengthMs": 20,
      "events": 1,
      "pitches": [
        60
      ],
      "confidence": 0.2
    },
    {
      "lengthMs": 50,
      "events": 1,
      "pitches": [
        60
      ],
      "confidence": 0.2
    },
    {
      "lengthMs": 100,
      "events": 1,
      "pitches": [
        60
      ],
      "confidence": 0.2
    },
    {
      "lengthMs": 200,
      "events": 1,
      "pitches": [
        60
      ],
      "confidence": 0.2
    },
    {
      "lengthMs": 100,
      "events": 1,
      "pitches": [
        60
      ],
      "confidence": 0.4
    },
    {
      "lengthMs": 100,
      "events": 1,
      "pitches": [
        60
      ],
      "confidence": 0.6
    },
    {
      "lengthMs": 100,
      "events": 1,
      "pitches": [
        60
      ],
      "confidence": 0.8
    }
  ],
  "segmentTests": [
    {
      "pitches": [
        60
      ],
      "segment": "0.20-0.68s",
      "events": 1
    },
    {
      "pitches": [],
      "segment": "0.85-1.33s",
      "events": 0
    },
    {
      "pitches": [],
      "segment": "1.50-1.98s",
      "events": 0
    },
    {
      "pitches": [],
      "segment": "2.15-2.63s",
      "events": 0
    }
  ]
}