{
  "date": "2026-10-14",
  "machine": "Test machine",
  "version": "ffmpeg version N-92722-gf22fcd4483 Copyright (c) 2000-2018 the FFmpeg developers",
  "generator": "round(32767*amplitude*sin(2*pi*hz*i/48000+phase)), 288000 frames, signed16-bit WAV; stereo duplicates each mono integer in both channels; no fades",
  "files": [
    {
      "id": "mono-1khz",
      "hz": 1000,
      "channels": 1,
      "amplitude": 0.25,
      "phase": 0,
      "name": "mono-1khz.wav",
      "frames": 288000,
      "sampleRateHz": 48000,
      "seconds": 6,
      "bytes": 576044,
      "sha256": "ff804dd0da6d87de31febc64eac93a36a12ccf18d004bbec7641c7ad7f463888",
      "pcmSha256": "aeb042715924221c31ec84e9da6a3c9fc7663d5080dcac7377e527094b0b4ce4",
      "samplePeakCounts": 8192,
      "samplePeakDbfs": -12.041199826559248
    },
    {
      "id": "duplicated-stereo-1khz",
      "hz": 1000,
      "channels": 2,
      "amplitude": 0.25,
      "phase": 0,
      "name": "duplicated-stereo-1khz.wav",
      "frames": 288000,
      "sampleRateHz": 48000,
      "seconds": 6,
      "bytes": 1152044,
      "sha256": "82045086cde8d210dbcfaa7c0c3d9180587eb124233b9688934ee625fd00fb9f",
      "pcmSha256": "0e5e6ba4442b2d649ac2c24bec6fd4adfa1edb4cf553cddab5c01f93e597fd4d",
      "samplePeakCounts": 8192,
      "samplePeakDbfs": -12.041199826559248
    },
    {
      "id": "mono-quarter-rate",
      "hz": 12000,
      "channels": 1,
      "amplitude": 0.8,
      "phase": 0.7853981633974483,
      "name": "mono-quarter-rate.wav",
      "frames": 288000,
      "sampleRateHz": 48000,
      "seconds": 6,
      "bytes": 576044,
      "sha256": "0a273771858fad1ed924de751d6b89893bb41cdc2ed72e1bf86a091e73909295",
      "pcmSha256": "f4a150c2ffa1016b9ecfac3baa26bfef7af273669f1f7cbf84b6d0dfa79301b7",
      "samplePeakCounts": 18536,
      "samplePeakDbfs": -4.948678283555975
    }
  ],
  "rows": [
    {
      "id": "mono-default",
      "file": "mono-1khz.wav",
      "filter": "ebur128=peak=true:dualmono=false",
      "args": [
        "-hide_banner",
        "-nostdin",
        "-i",
        "mono-1khz.wav",
        "-af",
        "ebur128=peak=true:dualmono=false",
        "-f",
        "null",
        "-"
      ],
      "integratedLufs": -15,
      "ffmpegTruePeakDbfsLabel": -12,
      "samplePeakCounts": 8192,
      "samplePeakDbfs": -12.041199826559248,
      "sha256": "ff804dd0da6d87de31febc64eac93a36a12ccf18d004bbec7641c7ad7f463888"
    },
    {
      "id": "stereo-default",
      "file": "duplicated-stereo-1khz.wav",
      "filter": "ebur128=peak=true:dualmono=false",
      "args": [
        "-hide_banner",
        "-nostdin",
        "-i",
        "duplicated-stereo-1khz.wav",
        "-af",
        "ebur128=peak=true:dualmono=false",
        "-f",
        "null",
        "-"
      ],
      "integratedLufs": -12,
      "ffmpegTruePeakDbfsLabel": -12,
      "samplePeakCounts": 8192,
      "samplePeakDbfs": -12.041199826559248,
      "sha256": "82045086cde8d210dbcfaa7c0c3d9180587eb124233b9688934ee625fd00fb9f"
    },
    {
      "id": "mono-dualmono",
      "file": "mono-1khz.wav",
      "filter": "ebur128=peak=true:dualmono=true:panlaw=-3.0103",
      "args": [
        "-hide_banner",
        "-nostdin",
        "-i",
        "mono-1khz.wav",
        "-af",
        "ebur128=peak=true:dualmono=true:panlaw=-3.0103",
        "-f",
        "null",
        "-"
      ],
      "integratedLufs": -12,
      "ffmpegTruePeakDbfsLabel": -12,
      "samplePeakCounts": 8192,
      "samplePeakDbfs": -12.041199826559248,
      "sha256": "ff804dd0da6d87de31febc64eac93a36a12ccf18d004bbec7641c7ad7f463888"
    },
    {
      "id": "quarter-rate-default",
      "file": "mono-quarter-rate.wav",
      "filter": "ebur128=peak=true:dualmono=false",
      "args": [
        "-hide_banner",
        "-nostdin",
        "-i",
        "mono-quarter-rate.wav",
        "-af",
        "ebur128=peak=true:dualmono=false",
        "-f",
        "null",
        "-"
      ],
      "integratedLufs": -1.6,
      "ffmpegTruePeakDbfsLabel": -1.3,
      "samplePeakCounts": 18536,
      "samplePeakDbfs": -4.948678283555975,
      "sha256": "0a273771858fad1ed924de751d6b89893bb41cdc2ed72e1bf86a091e73909295"
    }
  ],
  "limits": "Synthetic measurement only. No listening, music, platform normalization, browser decoder, analog playback, MIDI or certified meter comparison. FFmpeg true-peak estimate is recorded with its literal dBFS label; finite boundaries and interpolation affect the quarter-rate fixture. Summaries rounded to 0.1. No universal target or clipping diagnosis."
}