{
  "adapter": "pedalboard",
  "version": "0.9.25",
  "metadata": {
    "mode": "persistent Python worker; planar float32 PCM",
    "mapping": "Pedalboard native effects; BrickwallLimiter for positive lookahead, Limiter for zero lookahead (native makeup retained); LadderFilter LPF24 for Moog; AudioFile WAV/FLAC; step seconds converted to milliseconds, processor units retained; first-order low/high-pass only; Convolution retains native IR normalization",
    "python": "/private/tmp/audio-comparison-python/bin/python",
    "pythonVersion": "3.13.12 (main, Feb  3 2026, 17:53:27) [Clang 17.0.0 (clang-1700.6.3.2)]",
    "packages": {
      "audioread": "3.1.0",
      "scikit-learn": "1.9.1",
      "cloudpickle": "3.1.2",
      "standard-sunau": "3.13.0",
      "packaging": "26.3",
      "joblib": "1.6.0",
      "numpy": "2.3.4",
      "platformdirs": "4.12.2",
      "soxr": "1.0.0",
      "standard-chunk": "3.13.0",
      "requests": "2.34.2",
      "future": "1.0.0",
      "librosa": "0.11.0",
      "msgpack": "1.2.3",
      "lazy-loader": "0.6",
      "pooch": "1.9.0",
      "pedalboard": "0.9.25",
      "urllib3": "2.8.0",
      "pycparser": "3.0",
      "standard-aifc": "3.13.0",
      "cffi": "2.1.1",
      "llvmlite": "0.50.0",
      "samplerate": "0.2.3",
      "certifi": "2026.7.22",
      "soundfile": "0.13.1",
      "threadpoolctl": "3.7.0",
      "numba": "0.68.0",
      "pyloudnorm": "0.1.1",
      "typing_extensions": "4.16.0",
      "decorator": "5.3.1",
      "audioop-lts": "0.2.2",
      "charset-normalizer": "3.5.2",
      "scipy": "1.17.0",
      "pip": "26.0",
      "narwhals": "2.26.0",
      "idna": "3.20"
    }
  },
  "test": {
    "id": "codec.wav.1f.2ch",
    "feature": "codec.wav",
    "title": "WAV 16-bit: 1 frames, 2 channels",
    "status": "active",
    "tier": "quality",
    "fixture": {
      "sampleRate": 8000,
      "channels": 2,
      "frames": 1,
      "signal": "array",
      "samples": [
        [
          -1
        ],
        [
          0
        ]
      ]
    },
    "steps": [],
    "oracle": {
      "type": "exact",
      "atol": 0
    },
    "workflow": {
      "op": "codec-roundtrip",
      "format": "wav",
      "bitDepth": 16
    }
  },
  "result": {
    "id": "codec.wav.1f.2ch",
    "feature": "codec.wav",
    "oracle": "exact",
    "level": "conformance",
    "status": "fail",
    "durationMs": 0.38308300000062445,
    "metrics": {
      "channels": 2,
      "expectedChannels": 2,
      "lengthDelta": [
        0,
        0
      ],
      "maxAbsError": 0.000030517578125,
      "rmsError": 0.000021579186437577746,
      "pass": false,
      "reason": "samples",
      "sourceUnchanged": true,
      "sourceMaxAbsError": 0,
      "sampleRate": 8000,
      "encodedBytes": 108,
      "bitDepth": 16,
      "sampleFormat": "integer",
      "inputUnchanged": true
    }
  }
}