{
  "tracks": [
    {
      "id": "targ",
      "source": {
        "path": "runs/targ-music-gap-b614aa3b3e-20260915/audio/targ.wav",
        "sha256": "e3d7aad8b9532c8bbe2e0151d5ddade7845db193dd15cb56f7c344c7c58b4db0"
      },
      "duration": 194.3756462585034,
      "loudness": {
        "integratedLufs": -14.2,
        "lraLu": 4.4,
        "truePeakDbfs": -0.0
      },
      "estimatedTempoBpm": 103.359375,
      "estimatedKeyCandidates": [
        {
          "key": "F major",
          "correlation": 0.5668
        },
        {
          "key": "C major",
          "correlation": 0.5125
        },
        {
          "key": "F minor",
          "correlation": 0.3884
        }
      ],
      "vocalMinusMusicRmsDb": 0.335,
      "limitations": [
        "Both tracks measured with the same fresh separation and algorithms. Stem leakage and F0 octave/voicing errors remain.",
        "F0 traces are estimates, not a verified score or note-by-note melody reconstruction. Pitch range, tempo and vocal activity are not quality scores.",
        "RMS ratio uses uncalibrated separated stems; source mix/mastering differs.",
        "Beat phase,meter,key/chords not manually verified. LUFS matching is a separate constant-gain audition derivative."
      ],
      "estimatedPitchSummary": {
        "method": "pYIN,Demucs htdemucs vocal stem,22050Hz,2048frame,512hop,C2-C6;30s processing chunks",
        "allVoicedMidiP5P50P95": [
          55.1,
          64.0,
          69.2
        ],
        "highConfidenceMidiP5P50P95": [
          55.1,
          62.1,
          69.0
        ],
        "highConfidenceRangeSemitones": 13.9,
        "voicedFrameFraction": 0.7091,
        "highConfidenceFrameFraction": 0.2954,
        "frameColumns": [
          "timeSeconds",
          "midiEstimateOrNull",
          "voicingProbability",
          "voicedFlag"
        ]
      }
    },
    {
      "id": "gopure",
      "source": {
        "path": "runs/targ-music-gap-b614aa3b3e-20260915/audio/gopure.wav",
        "sha256": "11fad9dbf512f13a24a41dee38d357d8da761a04bc8e1fe7679a1a6ed1051cc9"
      },
      "duration": 197.72598639455782,
      "loudness": {
        "integratedLufs": -15.3,
        "lraLu": 6.5,
        "truePeakDbfs": -1.2
      },
      "estimatedTempoBpm": 107.666015625,
      "estimatedKeyCandidates": [
        {
          "key": "C major",
          "correlation": 0.7849
        },
        {
          "key": "F major",
          "correlation": 0.7533
        },
        {
          "key": "F minor",
          "correlation": 0.5339
        }
      ],
      "vocalMinusMusicRmsDb": -1.363,
      "limitations": [
        "Both tracks measured with the same fresh separation and algorithms. Stem leakage and F0 octave/voicing errors remain.",
        "F0 traces are estimates, not a verified score or note-by-note melody reconstruction. Pitch range, tempo and vocal activity are not quality scores.",
        "RMS ratio uses uncalibrated separated stems; source mix/mastering differs.",
        "Beat phase,meter,key/chords not manually verified. LUFS matching is a separate constant-gain audition derivative."
      ],
      "estimatedPitchSummary": {
        "method": "pYIN,Demucs htdemucs vocal stem,22050Hz,2048frame,512hop,C2-C6;30s processing chunks",
        "allVoicedMidiP5P50P95": [
          55.0,
          61.5,
          69.1
        ],
        "highConfidenceMidiP5P50P95": [
          55.0,
          60.1,
          69.0
        ],
        "highConfidenceRangeSemitones": 14.0,
        "voicedFrameFraction": 0.7504,
        "highConfidenceFrameFraction": 0.3412,
        "frameColumns": [
          "timeSeconds",
          "midiEstimateOrNull",
          "voicingProbability",
          "voicedFlag"
        ]
      }
    }
  ],
  "versions": {
    "librosa": "0.11.0",
    "numpy": "1.26.4",
    "soundfile": "0.14.0",
    "demucs": "4.1.0",
    "torch": "2.14.0+cpu"
  }
}