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Format

Waveform Audio (WAVEFORMATEXTENSIBLE)

Summary

Name
Waveform Audio (WAVEFORMATEXTENSIBLE)
Identifiers
  • MIME: audio/x-wav
  • PUID: fmt/143
Format type
Audio
Family
WAVE
Description
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.
File extensions
wav, wave
Source
Digital Preservation Department / The National Archives

Relationships

Has lower priority than
Has priority over
Is subsequent version of
Is subtype of

Internal signatures

Waveform Audio (WAVEFORMATEXTENSIBLE)

Note
RIFF header, WAVE ID, Format chunk, chunk length GTE 40, wformat Tag = decimal 65534 = 0xFEFF and Data chunk

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
52494646{4}57415645666D7420{4}FEFF{38-*}64617461
Endianness
Big-endian

Changelog

  • Updated in V108

    Release date
    5 September 2022

    Waveform Audio (WAVEFORMATEXTENSIBLE): Priority added over fmt/142. Submitted by Preservica.

  • Updated in V88

    Release date
    27 September 2016

    Waveform Audio (WAVEFORMATEXTENSIBLE): Adjusted signature due to findings from Archives New Zealand. Slightly adjusted description.

  • Updated in V63

    Release date
    29 August 2012

    Waveform Audio (WAVEFORMATEXTENSIBLE): Minor correction to previous signature.

  • Updated in V62

    Release date
    28 August 2012

    Waveform Audio (WAVEFORMATEXTENSIBLE): Existing signature refined through PRONOM Research.

  • Updated in V59

    Release date
    21 March 2012

    Waveform Audio (WAVEFORMATEXTENSIBLE): Priority set to avoid multiple identification with Waveform Audio Format.

  • Added in V58

    Release date
    21 March 2012

    Waveform Audio (WAVEFORMATEXTENSIBLE): Signature submitted by Georgia Tech Research Institute, USA.