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  "formatName": "Waveform Audio (WAVEFORMATEXTENSIBLE)",
  "version": null,
  "formatDescription": "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.",
  "releaseDate": null,
  "binaryFileFormat": "Text",
  "formatNote": null,
  "lastUpdatedDate": "25 Aug 2022",
  "formatProvenance": null,
  "formatSourceDate": "01 Feb 2007",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Audio",
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  "identifiers": [
    {
      "identifierText": "audio/x-wav",
      "identifierType": "MIME"
    },
    {
      "identifierText": "fmt/143",
      "identifierType": "PUID"
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  "internalSignatures": [
    {
      "signatureID": 608,
      "name": "Waveform Audio (WAVEFORMATEXTENSIBLE)",
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      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
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      ],
      "provenance": "MultimediaWiki.  WAVEFORMATEXTENSIBLE\nhttp://wiki.multimedia.cx/index.php?title=WAVEFORMATEXTENSIBLE"
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  ],
  "externalSignatures": [
    {
      "externalSignature": "wav",
      "signatureType": "File extension"
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    {
      "externalSignature": "wave",
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      "relationshipType": "Has lower priority than",
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      "relatedFormatPUID": "fmt/2"
    },
    {
      "relationshipType": "Has lower priority than",
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    {
      "relationshipType": "Has lower priority than",
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    {
      "relationshipType": "Has lower priority than",
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