{
  "adapter": "sox",
  "version": "SoX 14.4.2_6 (Homebrew package)",
  "metadata": {
    "version": "SoX 14.4.2_6 (Homebrew package)",
    "build": "sox:      SoX v\n",
    "executable": "/opt/homebrew/Cellar/sox/14.4.2_6/bin/sox",
    "executableSha256": "02f140d42379d582c63c98077be62fcb6130e316bececbaa0c6fbcec102a6e6f",
    "packageVersion": "14.4.2_6",
    "versionSource": "resolved Homebrew installation path; binary omits version",
    "mode": "subprocess with float WAV I/O",
    "measurementPrecision": "Statistics use the CLI text precision; derived energy inherits rounded RMS error."
  },
  "test": {
    "id": "filter.lowpass1.16000.4",
    "feature": "filter.lowpass1",
    "title": "filter · lowpass1 · 16000 · 4",
    "status": "active",
    "tier": "quality",
    "fixture": {
      "sampleRate": 16000,
      "channels": 1,
      "frames": 16000,
      "signal": "sine",
      "frequency": 4000,
      "amplitude": 0.1
    },
    "steps": [
      {
        "op": "lowpass",
        "freq": 1000,
        "order": 1,
        "Q": 0.7071067811865476
      }
    ],
    "oracle": {
      "type": "response",
      "min": -14.495285488505608,
      "max": -13.895285488505607
    }
  },
  "result": {
    "id": "filter.lowpass1.16000.4",
    "feature": "filter.lowpass1",
    "oracle": "response",
    "level": "conformance",
    "status": "fail",
    "durationMs": 8.673541999996814,
    "metrics": {
      "pass": false,
      "gainDb": -11.399962491049347,
      "perChannel": [
        {
          "pass": false,
          "gainDb": -11.399962491049347
        }
      ],
      "min": -14.495285488505608,
      "max": -13.895285488505607,
      "inputUnchanged": true
    }
  }
}