{
  "schema": 1,
  "release": "1.59.0",
  "checkedAt": "2026-10-14",
  "stage": "Local native Chrome on Windows; production acceptance recorded separately",
  "source": "Controlled original stereo WAV fixture, selected locally; no private audio is included",
  "checks": {
    "sameWavBytes": true,
    "receiverPaused": true,
    "speakerMonitoringOff": true,
    "recipeNotAppliedOnReceipt": true,
    "loadFourActsThreeIndependentSurfaces": true,
    "undoPriorSettingsKeepsPausedAudio": true,
    "manualFallbackAfterReloadPaused": true,
    "calibrationChangeInvalidatesPreparation": true,
    "keyboardStartRunStop": true,
    "mobileWidths": [
      320,
      390
    ],
    "sameMp3Bytes": true,
    "staleTransferCancelledAfterPlanEdit": true,
    "updatedMp3RecipeAndSurfaceFxMatch": true,
    "armedPhraseLaunchCancelledBeforeStart": true
  },
  "recording": {
    "sha256": "ab9b95a038206af9b6b4eae95009fdd578df29f23e67396a44e2ad55c513f42f",
    "bytes": 11293517,
    "width": 960,
    "height": 540,
    "containerSeconds": 10.033,
    "requestedFps": 30,
    "previewFrames": 300,
    "decodedFrames": 293,
    "distinctDecodedFrames": 293,
    "videoCodec": "vp9",
    "audioCodec": "opus",
    "audioChannels": 2,
    "sampleRate": 48000,
    "decodedAudioSamples": 480648,
    "decodedAudioPeak": 0.6998765468597412,
    "audioWindows": [
      {
        "startSeconds": 0.1,
        "referenceMinusTakeSamples": 0,
        "correlation": 0.99808794622634
      },
      {
        "startSeconds": 1,
        "referenceMinusTakeSamples": 0,
        "correlation": 0.9985467030697975
      },
      {
        "startSeconds": 3,
        "referenceMinusTakeSamples": 0,
        "correlation": 0.9986326723812267
      },
      {
        "startSeconds": 5,
        "referenceMinusTakeSamples": 0,
        "correlation": 0.9982063241261625
      },
      {
        "startSeconds": 7,
        "referenceMinusTakeSamples": 0,
        "correlation": 0.9982989348002191
      },
      {
        "startSeconds": 9,
        "referenceMinusTakeSamples": 0,
        "correlation": 0.9985626130351263
      }
    ],
    "largestVideoPacketGapMs": 70,
    "allFourActsDuringCapture": true,
    "actualBrowserDownloadHashMatched": true,
    "actualDownloadReopenedInStudio": true,
    "mutedPlaybackChecked": [
      "start",
      "middle",
      "end"
    ]
  },
  "earlierRejectedTake": {
    "videoPackets": 16,
    "seconds": 10,
    "warning": "Timeline gaps and low frame rate; not accepted as a smooth recording. The subsequent foreground-tab take is the accepted sample."
  },
  "figures": [
    {
      "act": "intro",
      "atSeconds": 1,
      "image": "/examples/show-soundtrack/intro.webp"
    },
    {
      "act": "build",
      "atSeconds": 3.5,
      "image": "/examples/show-soundtrack/build.webp"
    },
    {
      "act": "drop",
      "atSeconds": 6,
      "image": "/examples/show-soundtrack/drop.webp"
    },
    {
      "act": "breakdown",
      "atSeconds": 8.5,
      "image": "/examples/show-soundtrack/breakdown.webp"
    }
  ],
  "limits": [
    "Manual audio, capture and sequence starts are separate; this is not automatic musical synchronization.",
    "The six decoded-audio comparisons show zero sample offset against this controlled fixture only. Opus has a 648-sample tail here; packet timings omit an exact final duration.",
    "No physical projector, Miniserver, mixer/interface latency, sustained full-set performance or other browser/device was certified.",
    "The actual video remains a local QA artifact; the public images are decoded stills, not a recording or motion proof by themselves."
  ]
}