{
  "schema": 1,
  "product": "PHASE//VOID",
  "release": "1.58.0",
  "checkedAt": "2026-10-14",
  "workflow": "https://phasevoid.com/guides/youtube-visualizer/#file-render-deliveries",
  "scope": "Bounded native desktop Chrome software checks. Six real browser downloads were reopened through the local-file inspector and independently decoded. Monitoring remained off.",
  "sourceSetup": {
    "example": "/studio/?file-render=1&render-example=1",
    "soundtrack": "/examples/clip-show/sound.wav",
    "acts": 4,
    "mappedSurfaces": 2,
    "localVideoSources": 2,
    "title": "THREE FRAMES",
    "subtitle": "ONE SOUNDTRACK",
    "artwork": "/scenes/solar-flare.webp",
    "fps": 24,
    "bitrate": 6000000,
    "programDimensions": [
      960,
      540
    ],
    "programAfter": "same dimensions, scene, normalized surface settings, clip layers/order and master effects"
  },
  "wavToWebM": {
    "selectionSeconds": [
      0,
      12
    ],
    "resultFiles": [
      {
        "format": "landscape",
        "bytes": 7832254,
        "sha256": "9c711e91ef46b637b6fb097148e8ef1d767888a66b0753769241986d774a1244",
        "decodedFrames": 288,
        "distinctFrames": 288,
        "firstFrameRMSE": 6.160553516079996,
        "decodedAudioSamples": 576648,
        "contentSamples": 576000,
        "tailSamples": 648,
        "soundtrackWindows": [
          {
            "at": 0.5,
            "offsetSamples": 0,
            "correlation": 0.9982734956125034,
            "gain": 0.7510852145638663
          },
          {
            "at": 5.5,
            "offsetSamples": 0,
            "correlation": 0.9982837080820314,
            "gain": 0.7448129902164414
          },
          {
            "at": 10.5,
            "offsetSamples": 0,
            "correlation": 0.9985377127775299,
            "gain": 0.7551670878195232
          }
        ],
        "streams": [
          {
            "codec_name": "vp9",
            "width": 960,
            "height": 540,
            "nb_read_frames": "288"
          },
          {
            "codec_name": "opus",
            "sample_rate": "48000",
            "channels": 2,
            "nb_read_frames": "601"
          }
        ],
        "containerDuration": "12.020000"
      },
      {
        "format": "portrait",
        "bytes": 7956769,
        "sha256": "002c485175cbb2d424a676809a648533463705a1680640dc240cd08da7e45c14",
        "decodedFrames": 288,
        "distinctFrames": 288,
        "firstFrameRMSE": 6.078463878516346,
        "decodedAudioSamples": 576648,
        "contentSamples": 576000,
        "tailSamples": 648,
        "soundtrackWindows": [
          {
            "at": 0.5,
            "offsetSamples": 0,
            "correlation": 0.9982734956125034,
            "gain": 0.7510852145638663
          },
          {
            "at": 5.5,
            "offsetSamples": 0,
            "correlation": 0.9982837080820314,
            "gain": 0.7448129902164414
          },
          {
            "at": 10.5,
            "offsetSamples": 0,
            "correlation": 0.9985377127775299,
            "gain": 0.7551670878195232
          }
        ],
        "streams": [
          {
            "codec_name": "vp9",
            "width": 540,
            "height": 960,
            "nb_read_frames": "288"
          },
          {
            "codec_name": "opus",
            "sample_rate": "48000",
            "channels": 2,
            "nb_read_frames": "601"
          }
        ],
        "containerDuration": "12.020000"
      },
      {
        "format": "square",
        "bytes": 6658726,
        "sha256": "1861ade4de421ed682571cb52b4d2b4adc3b2dd77cf379c6cdcf4972cf96eba8",
        "decodedFrames": 288,
        "distinctFrames": 288,
        "firstFrameRMSE": 5.8302875646420524,
        "decodedAudioSamples": 576648,
        "contentSamples": 576000,
        "tailSamples": 648,
        "soundtrackWindows": [
          {
            "at": 0.5,
            "offsetSamples": 0,
            "correlation": 0.9982734956125034,
            "gain": 0.7510852145638663
          },
          {
            "at": 5.5,
            "offsetSamples": 0,
            "correlation": 0.9982837080820314,
            "gain": 0.7448129902164414
          },
          {
            "at": 10.5,
            "offsetSamples": 0,
            "correlation": 0.9985377127775299,
            "gain": 0.7551670878195232
          }
        ],
        "streams": [
          {
            "codec_name": "vp9",
            "width": 540,
            "height": 540,
            "nb_read_frames": "288"
          },
          {
            "codec_name": "opus",
            "sample_rate": "48000",
            "channels": 2,
            "nb_read_frames": "601"
          }
        ],
        "containerDuration": "12.020000"
      }
    ],
    "method": "Compare independently decoded mono 48 kHz PCM in 0.5-second windows beginning at 0.5, 5.5 and 10.5 seconds. Full-rate cross-correlation permits plus/minus 50 ms and reports the measured peak. The three films use the same decoded audio content. Decode complete outputs before trimming; report codec tails separately. First-frame RGB RMSE compares each lossless Review PNG to its own decoded first film picture; the lossy VP9 outputs are not pixel-identical."
  },
  "mp3ToMP4": {
    "inputProfile": "Authored tagged VBR MP3, stereo, 48 kHz, 24-second content; local test fixture, not a user recording.",
    "selectionSeconds": [
      3,
      5
    ],
    "resultFiles": [
      {
        "shape": "landscape",
        "sha256": "26619b49284210d0e2f2f5aa2bf8f3562c314310e70ce49147ab33261fc995fa",
        "bytes": 2331983,
        "alignmentSamples": 0,
        "correlation": 0.9870242818302907,
        "gain": 0.7302602738705838,
        "samples": 96000,
        "first20msCorrelation": 0.6569788516402082,
        "after20msCorrelation": 0.999970338186045,
        "aacBoundary": "The cut is aligned at zero samples; an onset transient affects its first 20 ms. It is not sample-identical PCM.",
        "streams": [
          {
            "codec_name": "h264",
            "width": 960,
            "height": 540,
            "nb_read_frames": "48",
            "start_time": "0.000000",
            "duration": "2.000000"
          },
          {
            "codec_name": "aac",
            "sample_rate": "48000",
            "channels": 2,
            "nb_read_frames": "94",
            "start_time": "0.000000",
            "duration": "2.005333"
          }
        ],
        "duration": "2.005333"
      },
      {
        "shape": "portrait",
        "sha256": "5373204306b32ce550e21202d1f7654db09821f15a7f63f7104c201c2bf5fc31",
        "bytes": 2334763,
        "alignmentSamples": 0,
        "correlation": 0.9870242818302907,
        "gain": 0.7302602738705838,
        "samples": 96000,
        "first20msCorrelation": 0.6569788516402082,
        "after20msCorrelation": 0.999970338186045,
        "aacBoundary": "The cut is aligned at zero samples; an onset transient affects its first 20 ms. It is not sample-identical PCM.",
        "streams": [
          {
            "codec_name": "h264",
            "width": 540,
            "height": 960,
            "nb_read_frames": "48",
            "start_time": "0.000000",
            "duration": "2.000000"
          },
          {
            "codec_name": "aac",
            "sample_rate": "48000",
            "channels": 2,
            "nb_read_frames": "94",
            "start_time": "0.000000",
            "duration": "2.005333"
          }
        ],
        "duration": "2.005333"
      },
      {
        "shape": "square",
        "sha256": "4a84dbeeeb2646a469d04a5b16c8a2ece0fbbbb74bc9db10ce57e36d1f4aa5c4",
        "bytes": 2245980,
        "alignmentSamples": 0,
        "correlation": 0.9870242818302907,
        "gain": 0.7302602738705838,
        "samples": 96000,
        "first20msCorrelation": 0.6569788516402082,
        "after20msCorrelation": 0.999970338186045,
        "aacBoundary": "The cut is aligned at zero samples; an onset transient affects its first 20 ms. It is not sample-identical PCM.",
        "streams": [
          {
            "codec_name": "h264",
            "width": 540,
            "height": 540,
            "nb_read_frames": "48",
            "start_time": "0.000000",
            "duration": "2.000000"
          },
          {
            "codec_name": "aac",
            "sample_rate": "48000",
            "channels": 2,
            "nb_read_frames": "94",
            "start_time": "0.000000",
            "duration": "2.005333"
          }
        ],
        "duration": "2.005333"
      }
    ],
    "method": "Compare all 96,000 selected content samples against an independent MP3 decode, search plus/minus 100 ms and report the measured peak. Separate the AAC onset transient and encoded tail from timeline offset.",
    "limitation": "The measured peak is zero samples for each film, but AAC changes the initial onset: full-interval correlation is approximately 0.987; after its first 20 ms approximately 0.99997. It is not a lossless waveform copy or a universal synchronization guarantee."
  },
  "cancelContinue": {
    "observedStatesAfterCancel": [
      "ready",
      "ready",
      "cancelled"
    ],
    "readyFilesRetained": 2,
    "continuedTargets": [
      "1-1"
    ],
    "earlierHashesUnchanged": true
  },
  "uiChecks": [
    "Current Studio frame retained the original 1920x1080 dimensions for its first-frame review.",
    "Three-target codec preflight completed before first-frame GPU rendering.",
    "Preview PNG dimensions matched 960x540, 540x960 and 540x540.",
    "Cancel kept two completed files and stopped the unfinished third; Continue rendered only that third.",
    "Close released the frozen review and previews; completed films remained available in the same tab.",
    "Unconfirmed unsaved discard was refused; explicit confirmation and saved-result discard freed the retained bytes.",
    "At 390px and 320px the dialog and preview cards had no horizontal overflow; keyboard navigation reached the timeline.",
    "The local pre-existing session, library and recent-world storage was restored byte-for-byte after testing."
  ],
  "notEstablished": [
    "Every browser/GPU/encoder",
    "Long films or endurance at memory limits",
    "Simultaneously uninterrupted live output during file rendering",
    "Physical projector/audio latency or universal A/V synchronization",
    "Search indexing or ranking improvement",
    "AI citations, conversion lift or revenue"
  ],
  "publicMedia": "The three WebP illustrations are actual independently decoded first frames of the stated WAV/WebM outputs. They are stills, not a motion demonstration or mock-up."
}
