{
  "title": "Can this noisy recording be saved?",
  "producedAtUtc": "2026-10-13T21:56:56.054051+00:00",
  "source": {
    "name": "David Gooding archival religious lecture",
    "ownerPermission": "Owner explicitly confirmed existing examples are allowed for use.",
    "originalPublicHls": "https://firebasestorage.googleapis.com/v0/b/diffioai.firebasestorage.app/o/assets%2Fhls_homepage%2FDrDavidGooding%2Fgenerations%2F1f7d58b9-d02b-4b63-b9d8-9560b65835b5%2Fhls%2Faudio%2Fnoisy%2Findex.m3u8?alt=media",
    "startSeconds": 0,
    "durationSeconds": 60,
    "inputSha256": "2f85f2ffe1ac94a62724c4ae8734e236511d7aa80190eecd97f1a0164c175f1a",
    "preparation": "Decode first60s to mono44.1kHz PCM16WAV; no added noise or restoration."
  },
  "results": [
    {
      "modelKey": "diffio-4.5-flash",
      "createdAtUtc": "2026-10-13T21:46:11.657000+00:00",
      "completedAtUtc": "2026-10-13T21:46:23.888000+00:00",
      "status": "complete",
      "rawExportSha256": "22403e93480bc7ca4c2c0777eb83af1420819346cc3f708cffa5b32a52977480",
      "download": "Restored speech; WAV; no background added"
    },
    {
      "modelKey": "diffio-4.5-pro",
      "createdAtUtc": "2026-10-13T21:47:21.849000+00:00",
      "completedAtUtc": "2026-10-13T21:47:38.765000+00:00",
      "status": "complete",
      "rawExportSha256": "cd3a2560faa5fbc00ab9553abc107e66e137cdb6efa7188c5c1b3eb51b21877d",
      "download": "Restored speech; WAV; no background added"
    }
  ],
  "playback": {
    "targetLufs": -20,
    "fixedGainDb": {
      "original": -8.37,
      "flash": -1.26,
      "pro": -0.03
    },
    "compression": "160kbps MP3; no dynamic audio compression, limiting or additional enhancement",
    "audioDurationSeconds": 60
  },
  "video": {
    "durationSeconds": 64,
    "captureMethod": "Authentic Chrome screenshots, cropped and composed into an edited walkthrough. Not continuous screen capture. Waits omitted.",
    "shots": [
      {
        "videoStartSeconds": 0,
        "durationSeconds": 7,
        "screen": null,
        "audioTrack": "original",
        "audioSourceStartSeconds": 26.2
      },
      {
        "videoStartSeconds": 7,
        "durationSeconds": 7,
        "screen": null,
        "audioTrack": "flash",
        "audioSourceStartSeconds": 26.2
      },
      {
        "videoStartSeconds": 14,
        "durationSeconds": 10,
        "screen": "upload-flash.jpg",
        "audioTrack": null,
        "audioSourceStartSeconds": null
      },
      {
        "videoStartSeconds": 24,
        "durationSeconds": 8,
        "screen": "processing.jpg",
        "audioTrack": null,
        "audioSourceStartSeconds": null
      },
      {
        "videoStartSeconds": 32,
        "durationSeconds": 7,
        "screen": "flash-result.jpg",
        "audioTrack": "flash",
        "audioSourceStartSeconds": 26.2
      },
      {
        "videoStartSeconds": 39,
        "durationSeconds": 7,
        "screen": "pro-result.jpg",
        "audioTrack": "pro",
        "audioSourceStartSeconds": 26.2
      },
      {
        "videoStartSeconds": 46,
        "durationSeconds": 9,
        "screen": "export-speech.jpg",
        "audioTrack": null,
        "audioSourceStartSeconds": null
      },
      {
        "videoStartSeconds": 55,
        "durationSeconds": 9,
        "screen": null,
        "audioTrack": null,
        "audioSourceStartSeconds": null
      }
    ],
    "captions": "Timed from the real Flash transcript DOM; editorial captions on silent workflow shots."
  },
  "files": [
    {
      "name": "export-speech.jpg",
      "sizeBytes": 63720,
      "sha256": "80e6ad8826b6208f41c622feb3eb670fa3354155aa0ad5da56867c56d209e300"
    },
    {
      "name": "flash-result.jpg",
      "sizeBytes": 69240,
      "sha256": "e0bc5ffe13067339657a91823085e1d3cebf2c8a6aeca0c036581e575d8821e4"
    },
    {
      "name": "flash.mp3",
      "sizeBytes": 1201155,
      "sha256": "dc0275ea9b132e2b1d916a7123417d1fc06b22400220cde00f2394f44a1cde66"
    },
    {
      "name": "original.mp3",
      "sizeBytes": 1201155,
      "sha256": "ebdc90f93ab96461465ac0c2a688cb6c4b04fc16d90ea175ad6a12f51c0869ec"
    },
    {
      "name": "pro-result.jpg",
      "sizeBytes": 66474,
      "sha256": "cb3d6c406dfc6d709b61f8291581ff662cef9d9abb2f331ecbc4dff3449b574d"
    },
    {
      "name": "pro.mp3",
      "sizeBytes": 1201155,
      "sha256": "1de8d3a3a1857af38a926ddcc27c331b5fd67ef9f71f2d5a310bed6e181ca998"
    },
    {
      "name": "processing.jpg",
      "sizeBytes": 83342,
      "sha256": "65c5dd53691a97d321bd10ab4e449d6f3452aa1a0351579b5a8e5b7aa8fcab4e"
    },
    {
      "name": "upload-flash.jpg",
      "sizeBytes": 124550,
      "sha256": "be6d70b742e5d658e62eff20b1700c677ad0a850cea9564d3c029f54758faf15"
    },
    {
      "name": "walkthrough-poster.jpg",
      "sizeBytes": 143788,
      "sha256": "1f8797fc1098bfe307a57912a2aaaeda30ce32bad4bfdc3ab22507c95d2f5103"
    },
    {
      "name": "walkthrough-transcript.txt",
      "sizeBytes": 1207,
      "sha256": "b229d7bc4eac518ed28f4092cb840c0ca11d7229d7737a66459c62343491cccc"
    },
    {
      "name": "walkthrough.mp4",
      "sizeBytes": 1072758,
      "sha256": "d32203d9f8abb4ee39f6464e2a07280b1f9877118dd2b34284dcf7c1539bd1bd"
    },
    {
      "name": "walkthrough.vtt",
      "sizeBytes": 1396,
      "sha256": "99e28690ee42cff3ec27799c033a091a8874117cb2471c28187102bd87ce5d48"
    }
  ]
}
