{
  "fileFormatID": 785,
  "formatName": "Waveform Audio (WAVEFORMATEX)",
  "version": null,
  "formatDescription": "Waveform Audio (WAVEFORMATEX) is an extended version of the Waveform Audio file format, and was developed by Microsoft. It has superseded the Waveform Audio (PCMWAVEFORMAT).",
  "releaseDate": null,
  "binaryFileFormat": "Text",
  "formatNote": null,
  "lastUpdatedDate": "31 Oct 2022",
  "formatProvenance": null,
  "formatSourceDate": "01 Feb 2007",
  "formatDisclosure": null,
  "formatEnvironment": null,
  "formatRisk": null,
  "formatAliases": null,
  "formatTypes": "Audio",
  "formatFamilies": "WAVE",
  "identifiers": [
    {
      "identifierText": "audio/x-wav",
      "identifierType": "MIME"
    },
    {
      "identifierText": "fmt/142",
      "identifierType": "PUID"
    }
  ],
  "internalSignatures": [
    {
      "signatureID": 607,
      "name": "Waveform Audio (WAVEFORMATEX)",
      "note": "RIFF header, WAVE ID, Format chunk, chunk length GTE 18, wformat Tag not equal to decimal 65534 = 0xFFFE and Data chunk. Since DROID cannot currently handle inverted (i.e. not equal to) sequences, the wformat chunk is not expressed in this signature. For fmt/143 the wformat tag = 65534 = 0xFFFE, so this is handled by setting an appropriate identification priority.",
      "byteSequences": [
        {
          "positionType": "Absolute from BOF",
          "offset": 0,
          "maxOffset": 0,
          "byteSequence": "52494646{4}57415645666D7420[!10]{21-*}64617461",
          "endianness": "Big-endian",
          "byteSequenceID": 752
        }
      ],
      "provenance": "WAVEFORMATEX structure\nhttp://msdn.microsoft.com/en-us/library/dd390970(v=vs.85).aspx \n\nMultimediaWiki.  WAVEFORMATEX\nhttp://wiki.multimedia.cx/index.php?title=WAVEFORMATEX"
    }
  ],
  "externalSignatures": [
    {
      "externalSignature": "wav",
      "signatureType": "File extension"
    },
    {
      "externalSignature": "wave",
      "signatureType": "File extension"
    }
  ],
  "relationships": [
    {
      "relationshipType": "Has lower priority than",
      "relatedFormatID": 786,
      "relatedFormatName": "Waveform Audio (WAVEFORMATEXTENSIBLE)",
      "relatedFormatPUID": "fmt/143"
    },
    {
      "relationshipType": "Has lower priority than",
      "relatedFormatID": 1502,
      "relatedFormatName": "Broadcast WAVE",
      "relatedFormatPUID": "fmt/703"
    },
    {
      "relationshipType": "Has lower priority than",
      "relatedFormatID": 1503,
      "relatedFormatName": "Broadcast WAVE",
      "relatedFormatPUID": "fmt/704"
    },
    {
      "relationshipType": "Has lower priority than",
      "relatedFormatID": 1505,
      "relatedFormatName": "Broadcast WAVE",
      "relatedFormatPUID": "fmt/706"
    },
    {
      "relationshipType": "Has lower priority than",
      "relatedFormatID": 1506,
      "relatedFormatName": "Broadcast WAVE",
      "relatedFormatPUID": "fmt/707"
    },
    {
      "relationshipType": "Has lower priority than",
      "relatedFormatID": 1507,
      "relatedFormatName": "Broadcast WAVE",
      "relatedFormatPUID": "fmt/708"
    },
    {
      "relationshipType": "Has priority over",
      "relatedFormatID": 654,
      "relatedFormatName": "Waveform Audio",
      "relatedFormatPUID": "fmt/6"
    },
    {
      "relationshipType": "Is previous version of",
      "relatedFormatID": 786,
      "relatedFormatName": "Waveform Audio (WAVEFORMATEXTENSIBLE)",
      "relatedFormatPUID": "fmt/143"
    },
    {
      "relationshipType": "Is subsequent version of",
      "relatedFormatID": 654,
      "relatedFormatName": "Waveform Audio",
      "relatedFormatPUID": "fmt/6"
    },
    {
      "relationshipType": "Is subsequent version of",
      "relatedFormatID": 784,
      "relatedFormatName": "Waveform Audio (PCMWAVEFORMAT)",
      "relatedFormatPUID": "fmt/141"
    },
    {
      "relationshipType": "Is subtype of",
      "relatedFormatID": 654,
      "relatedFormatName": "Waveform Audio",
      "relatedFormatPUID": "fmt/6"
    }
  ],
  "supportedBy": [
    93
  ],
  "developedBy": [
    93
  ],
  "submittedBy": [
    1
  ]
}