{
  "schema": "selective-hearing-demo-v1",
  "liveInference": false,
  "sampleRate": 16000,
  "durationSeconds": 2.0,
  "sceneId": "validation-20261010-000000",
  "split": "validation",
  "description": "A synthetic aircraft warning, a dog bark, a door knock, and running water.",
  "selection": "The first preselected validation example from the local study; no new quality ranking for portfolio publication.",
  "checkpointSha256": "8ff18a60b36e3272e5fed70774b47637d68901d8e59e7beefcac8d86c5ccf274",
  "demoSeed": 0,
  "modelSelection": "Middle validation-loss run of the three seeds; seed breaks exact ties; selected before test audio or metrics",
  "inputSha256": "fb7ab0079098a6869420911b823f048e83ccbc4feb107db10ff9b77ca8fbe8f5",
  "sourceManifestSha256": "1d84340711e9984a840420caa07717ac9041d0386282bb2626db454f771e3e76",
  "exampleProvenanceSha256": "c258be1e8c3f4534442bbf9d280ae937944480b209ac6726519842ee60b2f6e1",
  "evaluationSha256": "21f581b209425422f06bd2f6d693569e11dc2f70a35940fe91c25e3fa7bde239",
  "rendererSha256": "19f61ad502b15d065239be29a2a2036221cb20924eb54c9ac31f04119d93fa89",
  "sharedPlaybackScale": 1.0,
  "tracks": [
    {
      "id": "original",
      "target": null,
      "mode": "original",
      "gains": [
        1,
        1
      ],
      "url": "/assets/selective-hearing/original.wav",
      "sha256": "fb7ab0079098a6869420911b823f048e83ccbc4feb107db10ff9b77ca8fbe8f5",
      "samples": 32000,
      "peak": 0.95001220703125
    },
    {
      "id": "siren-isolate",
      "target": "siren",
      "mode": "isolate",
      "gains": [
        1,
        0
      ],
      "url": "/assets/selective-hearing/siren-isolate.wav",
      "sha256": "d44bf4df6b92bef8c66d9757ba75c137a324e7617617557bec2f2a0378882982",
      "samples": 32000,
      "peak": 0.22711181640625
    },
    {
      "id": "siren-prioritize",
      "target": "siren",
      "mode": "prioritize",
      "gains": [
        1,
        0.25
      ],
      "url": "/assets/selective-hearing/siren-prioritize.wav",
      "sha256": "da2412a41434d2cfbe2ea58d3ad1c243eef42a5a5a6e29612a59a7f621acdd3c",
      "samples": 32000,
      "peak": 0.283111572265625
    },
    {
      "id": "siren-attenuate",
      "target": "siren",
      "mode": "attenuate",
      "gains": [
        0,
        1
      ],
      "url": "/assets/selective-hearing/siren-attenuate.wav",
      "sha256": "e4709538bd80e8c0d72f619f37015688c5d36036646065a229c507e133a148ad",
      "samples": 32000,
      "peak": 0.948089599609375
    },
    {
      "id": "bark-isolate",
      "target": "bark",
      "mode": "isolate",
      "gains": [
        1,
        0
      ],
      "url": "/assets/selective-hearing/bark-isolate.wav",
      "sha256": "72f9ba3108f14194a7047d746c1f390e0f3a50ffa205c152bb6577295654dea3",
      "samples": 32000,
      "peak": 0.42047119140625
    },
    {
      "id": "bark-prioritize",
      "target": "bark",
      "mode": "prioritize",
      "gains": [
        1,
        0.25
      ],
      "url": "/assets/selective-hearing/bark-prioritize.wav",
      "sha256": "6df0149c275710d3efaf98f3d928d4e2d52dd830056afbdb0f5ab7b8324e6082",
      "samples": 32000,
      "peak": 0.528106689453125
    },
    {
      "id": "bark-attenuate",
      "target": "bark",
      "mode": "attenuate",
      "gains": [
        0,
        1
      ],
      "url": "/assets/selective-hearing/bark-attenuate.wav",
      "sha256": "5da56ef409393ccf2dfad17caf050ac22b559a8a363488ad5ca568ce55f8e512",
      "samples": 32000,
      "peak": 0.56719970703125
    },
    {
      "id": "knock-isolate",
      "target": "knock",
      "mode": "isolate",
      "gains": [
        1,
        0
      ],
      "url": "/assets/selective-hearing/knock-isolate.wav",
      "sha256": "fb449e96bdab201b0a6091b0396154843e5e3e213a3d83e6a223fd8ceb6a55a8",
      "samples": 32000,
      "peak": 0.157623291015625
    },
    {
      "id": "knock-prioritize",
      "target": "knock",
      "mode": "prioritize",
      "gains": [
        1,
        0.25
      ],
      "url": "/assets/selective-hearing/knock-prioritize.wav",
      "sha256": "f3608de08395e042294bde1f62422afb8183c0a2dae4eedee75c8c6790d622db",
      "samples": 32000,
      "peak": 0.3380126953125
    },
    {
      "id": "knock-attenuate",
      "target": "knock",
      "mode": "attenuate",
      "gains": [
        0,
        1
      ],
      "url": "/assets/selective-hearing/knock-attenuate.wav",
      "sha256": "22a431503c6cb0cb83b3ef4ba6195b036896efb9349a1c8cb198940009a3efec",
      "samples": 32000,
      "peak": 0.83837890625
    }
  ],
  "sources": [
    {
      "source_id": "325474",
      "title": "Beagle_Bark_Howl_Exterior 09.wav",
      "uploader": "n_audioman",
      "url": "https://freesound.org/people/n_audioman/sounds/325474/",
      "license": "http://creativecommons.org/licenses/by/3.0/"
    },
    {
      "source_id": "144510",
      "title": "Door Knock - with urgency.wav",
      "uploader": "FreqMan",
      "url": "https://freesound.org/people/FreqMan/sounds/144510/",
      "license": "http://creativecommons.org/publicdomain/zero/1.0/"
    },
    {
      "source_id": "261593",
      "title": "gpws.flac",
      "uploader": "kwahmah_02",
      "url": "https://freesound.org/people/kwahmah_02/sounds/261593/",
      "license": "http://creativecommons.org/licenses/by/3.0/"
    },
    {
      "source_id": "21198",
      "title": "20060727.kitchen.jet.wav",
      "uploader": "dobroide",
      "url": "https://freesound.org/people/dobroide/sounds/21198/",
      "license": "http://creativecommons.org/licenses/by/3.0/"
    }
  ],
  "modifications": "Converted to mono 16 kHz, cropped or padded, adjusted in level and mixed. Processed variants use the trained model and stated target/remainder gains. One shared playback scale is applied to the original mixture and all nine outputs. Original recordings retain their listed licenses.",
  "limitation": "Saved model outputs from one two-second validation mixture; residual sounds and artifacts remain. The siren-class source is a synthesized aircraft warning. This preset does not run live inference or demonstrate universal sound isolation."
}