{
  "page": "https://diffio.ai/remove-wind-noise/",
  "samples": [
    {
      "id": "wind-02",
      "type": "synthetic",
      "label": "Sample made by mixing clean speech (LibriTTS, CC BY 4.0) with a real recording of wind hitting a handheld recorder's microphone (\"Wind on microphone\" by Argande102, Freesound, CC0). Restored with Diffio 4.6 Pro. Both clips are loudness-matched for playback.",
      "claimableImpairments": [
        "wind noise"
      ],
      "verification": "clef-omni and signal checks",
      "durationSeconds": 17.93,
      "files": {
        "original": "wind-02-original.mp3",
        "pro": "wind-02-pro.mp3"
      },
      "sources": [
        {
          "role": "clean speech",
          "title": "LibriTTS test-clean speaker 4446, utterances 4446_2273_000020_000001 to 4446_2273_000020_000002",
          "author": "LibriTTS (Zen et al., 2019), from a public-domain LibriVox reading",
          "url": "https://www.openslr.org/60/",
          "license": "CC BY 4.0",
          "license_url": "https://creativecommons.org/licenses/by/4.0/"
        },
        {
          "role": "impairment recording",
          "title": "Wind on microphone",
          "author": "Argande102",
          "url": "https://freesound.org/people/Argande102/sounds/170439/",
          "license": "CC0 1.0",
          "license_url": "https://creativecommons.org/publicdomain/zero/1.0/"
        }
      ],
      "mixing": {
        "id": "wind-02",
        "page": "wind-noise",
        "speech": "libritts_4446_2273_000020",
        "seed": 12,
        "steps": [
          {
            "add_noise": [
              {
                "freesound_id": "170439",
                "snr_db": 3.0,
                "gain": 0.85802,
                "looped": false,
                "offset_s": 38.159
              }
            ]
          },
          {
            "final_peak_normalise_dbfs": -1.0
          }
        ],
        "sample_rate": 48000,
        "lead_s": 0.6,
        "tail_silence_s": 0.8,
        "duration_s": 17.89
      },
      "diffio": {
        "model": "diffio-4.6-pro",
        "generationId": "f2be2cb5-cd8d-4b12-a0a7-e8247f004be3",
        "requested_at_utc": "2026-11-03T17:38:53Z"
      },
      "loudnessMatching": {
        "standard": "ITU-R BS.1770-4 integrated loudness (pyloudnorm)",
        "target_lufs": -22.0,
        "before_lufs_raw": -21.72,
        "after_lufs_raw": -21.38,
        "before_gain_db": -0.28,
        "after_gain_db": -0.62,
        "note": "one static gain per file; no EQ, limiting, trimming or noise processing"
      }
    },
    {
      "id": "wind-01",
      "type": "synthetic",
      "label": "Sample made by mixing clean speech (LibriTTS, CC BY 4.0) with a real recording of wind on a beach (\"windy brighton beach\" by EngineerNIA, Freesound, CC0). Restored with Diffio 4.6 Pro. Both clips are loudness-matched for playback.",
      "claimableImpairments": [
        "wind noise"
      ],
      "verification": "clef-omni and signal checks",
      "durationSeconds": 24.53,
      "files": {
        "original": "wind-01-original.mp3",
        "pro": "wind-01-pro.mp3"
      },
      "sources": [
        {
          "role": "clean speech",
          "title": "LibriTTS test-clean speaker 1089, utterances 1089_134691_000053_000001 to 1089_134691_000053_000003",
          "author": "LibriTTS (Zen et al., 2019), from a public-domain LibriVox reading",
          "url": "https://www.openslr.org/60/",
          "license": "CC BY 4.0",
          "license_url": "https://creativecommons.org/licenses/by/4.0/"
        },
        {
          "role": "impairment recording",
          "title": "windy brighton beach",
          "author": "EngineerNIA",
          "url": "https://freesound.org/people/EngineerNIA/sounds/832666/",
          "license": "CC0 1.0",
          "license_url": "https://creativecommons.org/publicdomain/zero/1.0/"
        }
      ],
      "mixing": {
        "id": "wind-01",
        "page": "wind-noise",
        "speech": "libritts_1089_134691_000053",
        "seed": 11,
        "steps": [
          {
            "add_noise": [
              {
                "freesound_id": "832666",
                "snr_db": 2.0,
                "gain": 0.20304,
                "looped": false,
                "offset_s": 5.449
              }
            ]
          },
          {
            "final_peak_normalise_dbfs": -1.0
          }
        ],
        "sample_rate": 48000,
        "lead_s": 0.6,
        "tail_silence_s": 0.8,
        "duration_s": 24.49
      },
      "diffio": {
        "model": "diffio-4.6-pro",
        "generationId": "487ce4c6-857e-4f7c-83fd-d11cd142d8f4",
        "requested_at_utc": "2026-11-03T17:38:49Z"
      },
      "loudnessMatching": {
        "standard": "ITU-R BS.1770-4 integrated loudness (pyloudnorm)",
        "target_lufs": -23.0,
        "before_lufs_raw": -22.66,
        "after_lufs_raw": -22.79,
        "before_gain_db": -0.34,
        "after_gain_db": -0.21,
        "note": "one static gain per file; no EQ, limiting, trimming or noise processing"
      }
    },
    {
      "id": "real-lighthouse-wind",
      "type": "real-open",
      "label": "Real recording: \"Oregon Coast storm from Yaquina Head Lighthouse\", BLM Oregon & Washington, public domain, via Wikimedia Commons. No endorsement implied. Restored with Diffio 4.6 Pro. Both clips are loudness-matched for playback.",
      "claimableImpairments": [
        "wind noise"
      ],
      "verification": "clef-omni and signal checks",
      "durationSeconds": 27.31,
      "files": {
        "original": "real-lighthouse-wind-original.mp3",
        "pro": "real-lighthouse-wind-pro.mp3"
      },
      "sources": [
        {
          "role": "real recording",
          "title": "Oregon Coast storm from Yaquina Head Lighthouse",
          "author": "BLM Oregon & Washington (U.S. Bureau of Land Management)",
          "url": "https://commons.wikimedia.org/wiki/File:Oregon_Coast_storm_from_Yaquina_Head_Lighthouse_(27948706519).webm",
          "license": "Public domain (U.S. federal government work)",
          "license_url": "https://commons.wikimedia.org/wiki/File:Oregon_Coast_storm_from_Yaquina_Head_Lighthouse_(27948706519).webm"
        }
      ],
      "mixing": null,
      "diffio": {
        "model": "diffio-4.6-pro",
        "generationId": "38b4ed8e-ee0c-49af-8109-b61e90b3ac82",
        "requested_at_utc": "2026-11-03T17:37:55Z"
      },
      "loudnessMatching": {
        "standard": "ITU-R BS.1770-4 integrated loudness (pyloudnorm)",
        "target_lufs": -20.0,
        "before_lufs_raw": -18.09,
        "after_lufs_raw": -17.9,
        "before_gain_db": -1.91,
        "after_gain_db": -2.1,
        "note": "one static gain per file; no EQ, limiting, trimming or noise processing"
      }
    }
  ]
}