{
  "adapter": "webaudio",
  "version": "chromium 153.0.8010.12",
  "metadata": {
    "engine": "chromium",
    "mode": "OfflineAudioContext in a persistent browser; base64 float32 PCM crosses Playwright",
    "source": "https://www.w3.org/TR/webaudio-1.0/"
  },
  "test": {
    "id": "rate.resample.snr-bandwidth",
    "feature": "rate.resample",
    "title": "Resampling a 997 Hz tone: ≥70 dB waveform SNR",
    "status": "active",
    "tier": "quality",
    "fixture": {
      "sampleRate": 48000,
      "channels": 2,
      "frames": 48000,
      "signal": "sine",
      "frequency": 997,
      "amplitude": 0.25,
      "phase": 0
    },
    "steps": [
      {
        "op": "resample",
        "to": 32000
      }
    ],
    "oracle": {
      "type": "resample-snr",
      "to": 32000,
      "minSnr": 70
    },
    "limitations": [
      "SNR is measured on the interior of one passband tone. Separate catalog cases test passband and alias rejection."
    ]
  },
  "result": {
    "id": "rate.resample.snr-bandwidth",
    "feature": "rate.resample",
    "oracle": "resample-snr",
    "level": "conformance",
    "status": "fail",
    "durationMs": 31.878250000000662,
    "metrics": {
      "snrDb": 56.44983577816113,
      "pass": false,
      "perChannel": [
        {
          "snrDb": 56.44983577816113,
          "pass": false
        },
        {
          "snrDb": 56.44983577816113,
          "pass": false
        }
      ],
      "minSnr": 70,
      "lengthError": 0,
      "inputUnchanged": true
    }
  }
}