{
 "id": "waveform-audio-waveformatextensible",
 "name": "Waveform Audio (WAVEFORMATEXTENSIBLE)",
 "category": "audio",
 "identifiers": {
  "extensions": [
   "wav",
   "wave"
  ],
  "mime": [
   "audio/x-wav"
  ],
  "puid": [
   "fmt/143"
  ],
  "wikidata": [
   "Q63082675"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "52494646",
    "notes": "Waveform Audio (WAVEFORMATEXTENSIBLE)"
   }
  ],
  "signatures": [
   {
    "name": "Waveform Audio (WAVEFORMATEXTENSIBLE)",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "52494646{4}57415645666d7420{4}feff{38-*}64617461"
     }
    ]
   }
  ],
  "priority_over": [
   "fmt/6",
   "fmt/142"
  ]
 },
 "status": "partial",
 "summary": "Waveform Audio (WAVEFORMATEXTENSION) is an extended version of the Waveform Audio file format, and was developed by Microsoft. It is related to the Waveform Audio (WAVEFORMATEX) format, but is an even more extended version.",
 "projects": [
  {
   "name": "Kaitai Struct: wav",
   "url": "https://formats.kaitai.io/wav/",
   "kind": "grammar",
   "license": "BSD-3-Clause-Attribution"
  },
  {
   "name": "PRONOM fmt/143",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/143",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q63082675",
   "url": "https://www.wikidata.org/wiki/Q63082675",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "kaitai",
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-24",
 "parsers": [
  {
   "engine": "kaitai",
   "url": "https://github.com/kaitai-io/kaitai_struct_formats/blob/master/media/wav.ksy",
   "license": "BSD-3-Clause-Attribution"
  }
 ],
 "aliases": [],
 "structure": [],
 "tools": [
  {
   "name": "FFmpeg",
   "url": "https://ffmpeg.org",
   "license": "LGPL-2.1-or-later / GPL-2.0-or-later",
   "open_source": true,
   "reads": true,
   "writes": true,
   "via": "waveform-audio"
  },
  {
   "name": "A Better CD Encoder",
   "url": "https://abcde.einval.com/wiki/",
   "reads": false,
   "writes": true,
   "license": "Artistic License 1.0 / GNU General Public License, version 2.0 or later",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Ableton Live",
   "url": "https://www.ableton.com/live",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "ACDSee",
   "url": "https://www.acdsee.com",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "Adobe After Effects",
   "url": "https://www.adobe.com/products/aftereffects",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "Adobe Premiere 6.0",
   "url": "https://www.wikidata.org/wiki/Q114269979",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Adobe Premiere Pro",
   "url": "http://adobe.com/products/premiere",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "AgfaPhoto DC-833m",
   "url": "https://www.wikidata.org/wiki/Q28519408",
   "reads": false,
   "writes": true,
   "via": "waveform-audio"
  },
  {
   "name": "Android",
   "url": "https://android.com",
   "reads": true,
   "writes": true,
   "license": "Apache Software License 2.0 / GNU General Public License, version 2.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Apache Tika",
   "url": "https://tika.apache.org",
   "reads": true,
   "writes": false,
   "license": "Apache Software License 2.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Ardour",
   "url": "https://ardour.org/",
   "reads": false,
   "writes": true,
   "license": "GNU General Public License, version 2.0 or later",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "aTube Catcher",
   "url": "https://www.atube.me/",
   "reads": false,
   "writes": true,
   "via": "waveform-audio"
  },
  {
   "name": "Audify Music Player",
   "url": "https://audifyplayer.com/",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "Awave Studio",
   "url": "https://www.fmjsoft.com/awavestudio.html#main",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "CoffeeCup Software",
   "url": "https://www.wikidata.org/wiki/Q109284794",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Daemon Tools",
   "url": "https://www.daemon-tools.cc",
   "reads": true,
   "writes": false,
   "license": "shareware",
   "via": "waveform-audio"
  },
  {
   "name": "DIGIBooster Pro",
   "url": "http://digibooster.eu/",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "DirectMusic",
   "url": "https://www.wikidata.org/wiki/Q3495959",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "ExifTool",
   "url": "https://exiftool.org/",
   "reads": true,
   "writes": false,
   "license": "Artistic License / GNU General Public License, version 1.0 or later",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Final Cut Pro X",
   "url": "https://www.apple.com/final-cut-pro/",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "FL Studio",
   "url": "https://www.image-line.com/flstudio",
   "reads": false,
   "writes": true,
   "license": "proprietary license / shareware",
   "via": "waveform-audio"
  },
  {
   "name": "FlexPro",
   "url": "http://www.weisang.com/",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "Free Lossless Audio Codec",
   "url": "https://xiph.org/flac",
   "reads": false,
   "writes": true,
   "license": "3-clause BSD License / GNU General Public License, version 2.0 / GNU Library General Public License, version 2.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Freemake Video Converter",
   "url": "http://www.freemake.com/free_video_converter/",
   "reads": true,
   "writes": false,
   "license": "freeware",
   "via": "waveform-audio"
  },
  {
   "name": "GarageBand",
   "url": "https://www.apple.com/ios/garageband/",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Godot",
   "url": "https://godotengine.org/",
   "reads": true,
   "writes": false,
   "license": "MIT License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "GoldWave",
   "url": "http://www.goldwave.com/",
   "reads": false,
   "writes": true,
   "license": "shareware",
   "via": "waveform-audio"
  },
  {
   "name": "IrfanView",
   "url": "https://www.irfanview.com/",
   "reads": true,
   "writes": false,
   "license": "freeware",
   "via": "waveform-audio"
  },
  {
   "name": "Jeskola Buzz",
   "url": "http://jeskola.net/buzz/",
   "reads": true,
   "writes": false,
   "license": "freeware",
   "via": "waveform-audio"
  },
  {
   "name": "JHOVE",
   "url": "http://jhove.openpreservation.org",
   "reads": true,
   "writes": false,
   "license": "GNU Lesser General Public License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Kid3",
   "url": "https://kid3.kde.org/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License / GNU General Public License, version 2.0 or later",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "L3enc",
   "url": "https://www.wikidata.org/wiki/Q1797811",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "libsndfile",
   "url": "https://libsndfile.github.io/libsndfile/",
   "reads": true,
   "writes": true,
   "license": "GNU Lesser General Public License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Mathematica",
   "url": "https://www.wolfram.com/mathematica/",
   "reads": true,
   "writes": true,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "Media Player",
   "url": "http://www.microsoft.com/windows95/",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Media Player (Windows 11)",
   "url": "https://www.wikidata.org/wiki/Q109616196",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Microsoft PowerPoint 2011",
   "url": "https://www.wikidata.org/wiki/Q28018630",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Microsoft PowerPoint 2013",
   "url": "https://www.wikidata.org/wiki/Q28018622",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Microsoft PowerPoint 2016",
   "url": "https://www.wikidata.org/wiki/Q28018608",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Mp3tag",
   "url": "https://www.mp3tag.de/",
   "reads": true,
   "writes": false,
   "license": "free license",
   "via": "waveform-audio"
  },
  {
   "name": "Music on Console",
   "url": "http://moc.daper.net/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "mutagen",
   "url": "https://mutagen.readthedocs.io/en/latest/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 2.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Nero Wave Editor",
   "url": "http://www.nero.com",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Nulloy",
   "url": "https://nulloy.com",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "NVivo",
   "url": "https://lumivero.com/products/nvivo/",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "OpenPuff",
   "url": "https://embeddedsw.net/OpenPuff_Steganography_Home.html",
   "reads": true,
   "writes": false,
   "license": "GNU Lesser General Public License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Photorecovery",
   "url": "https://lc-tech.com/help/PhotoRecovery/English/index.html",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Praat",
   "url": "https://www.fon.hum.uva.nl/praat/",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Q117725",
   "url": "https://picard.musicbrainz.org",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 2.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Q139816213",
   "url": "https://www.wikidata.org/wiki/Q139816213",
   "reads": false,
   "writes": true,
   "via": "waveform-audio"
  },
  {
   "name": "Q141647665",
   "url": "https://getartcraft.com/apps/effectcraft",
   "reads": false,
   "writes": true,
   "license": "Apache Software License 2.0 / MIT License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Q141674392",
   "url": "https://getartcraft.com/apps/soundcraft",
   "reads": true,
   "writes": true,
   "license": "Apache Software License 2.0 / MIT License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Q1849222",
   "url": "https://openmpt.org/",
   "reads": true,
   "writes": true,
   "license": "BSD licenses",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Q191782",
   "url": "https://www.audacityteam.org/",
   "reads": true,
   "writes": true,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Q20474100",
   "url": "https://www.openra.net",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Q240192",
   "url": "https://musescore.org",
   "reads": false,
   "writes": true,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Q300915",
   "url": "https://www.foobar2000.org/",
   "reads": true,
   "writes": false,
   "license": "freeware",
   "via": "waveform-audio"
  },
  {
   "name": "Quick Look",
   "url": "http://www.apple.com/findouthow/mac/#quicklook",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Roland FP-7",
   "url": "https://www.wikidata.org/wiki/Q125807539",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Roland FP-90X",
   "url": "https://www.roland.com/global/products/fp-90x/",
   "reads": true,
   "writes": true,
   "via": "waveform-audio"
  },
  {
   "name": "Screencam",
   "url": "http://www.smartguyz.com",
   "reads": true,
   "writes": true,
   "via": "waveform-audio"
  },
  {
   "name": "sigrok",
   "url": "https://sigrok.org",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "SongRec",
   "url": "https://songrec.fossplant.re/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Sound Forge",
   "url": "https://www.vegascreativesoftware.com/sound-forge/",
   "reads": false,
   "writes": true,
   "via": "waveform-audio"
  },
  {
   "name": "Sound Forge XP 3.0",
   "url": "https://www.wikidata.org/wiki/Q116619109",
   "reads": true,
   "writes": true,
   "via": "waveform-audio"
  },
  {
   "name": "Sound Forge XP Studio",
   "url": "https://www.wikidata.org/wiki/Q113292059",
   "reads": true,
   "writes": true,
   "via": "waveform-audio"
  },
  {
   "name": "SoX",
   "url": "https://www.wikidata.org/wiki/Q3487229",
   "reads": true,
   "writes": true,
   "license": "GNU General Public License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Spleeter",
   "url": "https://research.deezer.com/projects/spleeter.html",
   "reads": true,
   "writes": true,
   "license": "MIT License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "Strawberry",
   "url": "https://www.strawberrymusicplayer.org/",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "The Freesound Project",
   "url": "http://www.freesound.org/",
   "reads": true,
   "writes": false,
   "license": "Creative Commons Attribution-NonCommercial 3.0 Unported / Creative Commons Attribution-ShareAlike 3.0 Unported / Creative Commons CC0 License",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "thousand tunes player",
   "url": "http://music.taihe.com/",
   "reads": true,
   "writes": true,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "UTAU",
   "url": "http://utau2008.web.fc2.com",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "waveform-audio"
  },
  {
   "name": "VLC media player",
   "url": "https://www.videolan.org/vlc/",
   "reads": true,
   "writes": false,
   "license": "GNU Lesser General Public License, version 2.1 or later",
   "open_source": true,
   "via": "waveform-audio"
  },
  {
   "name": "WaveLab",
   "url": "https://new.steinberg.net/de/wavelab",
   "reads": false,
   "writes": true,
   "license": "end-user license agreement",
   "via": "waveform-audio"
  },
  {
   "name": "WebPlus Essentials",
   "url": "https://www.wikidata.org/wiki/Q109625259",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Windows Media Player, version 10",
   "url": "http://www.microsoft.com/windows/windowsmedia/player/10/default.aspx",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Windows Media Player, version 11",
   "url": "http://www.microsoft.com/windows/windowsmedia/player/11/default.aspx",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Windows Media Player, version 12",
   "url": "https://www.wikidata.org/wiki/Q28018460",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Windows Media Player, version 6.4",
   "url": "https://www.wikidata.org/wiki/Q139790984",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Windows Media Player, version 7",
   "url": "https://www.wikidata.org/wiki/Q139792281",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Windows Media Player, version 8",
   "url": "https://www.wikidata.org/wiki/Q139792269",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Windows Media Player, version 9",
   "url": "https://www.wikidata.org/wiki/Q28018572",
   "reads": true,
   "writes": false,
   "via": "waveform-audio"
  },
  {
   "name": "Zoom H6 Handy Recorder",
   "url": "https://www.zoom.co.jp/products/field-video-recording/field-recording/h6-handy-recorder",
   "reads": false,
   "writes": true,
   "via": "waveform-audio"
  }
 ],
 "conversions": [
  {
   "to": "flac-free-lossless-audio-codec-1-2-1",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.wav out.flac",
   "fidelity": "lossless",
   "losses": "Lossless for decoded audio; a lossy source stays as degraded as it was. WAV may reduce bit depth or drop metadata.",
   "url": "https://ffmpeg.org",
   "via": "waveform-audio"
  },
  {
   "to": "mpeg-1-2-audio-layer-3",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.wav out.mp3",
   "fidelity": "lossy",
   "losses": "Lossy re-encoding.",
   "url": "https://ffmpeg.org",
   "via": "waveform-audio"
  },
  {
   "to": "ogg",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.wav out.ogg",
   "fidelity": "lossy",
   "losses": "Lossy re-encoding.",
   "url": "https://ffmpeg.org",
   "via": "waveform-audio"
  },
  {
   "to": "mpeg-4-part-14",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.wav out.mp4",
   "fidelity": "lossy",
   "losses": "Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.",
   "url": "https://ffmpeg.org",
   "via": "waveform-audio"
  },
  {
   "to": "matroska-1-4",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.wav out.mkv",
   "fidelity": "lossy",
   "losses": "Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.",
   "url": "https://ffmpeg.org",
   "via": "waveform-audio"
  },
  {
   "to": "webm",
   "tool": "FFmpeg",
   "command": "ffmpeg -i in.wav out.webm",
   "fidelity": "lossy",
   "losses": "Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.",
   "url": "https://ffmpeg.org",
   "via": "waveform-audio"
  }
 ],
 "samples": [],
 "claims": [],
 "verification": [],
 "family": "waveform-audio"
}