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Format

Audio Interchange File Format (compressed)

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Summary

Name
Audio Interchange File Format (compressed)
Identifiers
  • MIME: audio/x-aiff
  • PUID: x-fmt/136
Format type
Audio
Description
The Audio Interchange File Format, Compressed (AIFF-C) provides a standard for storing uncompressed or compressed sampled sounds. The format can store monaural or multichannel sampled sounds in a range of sample rates and sample widths. The format is extensible to handle new compression types and application-specific data.
File extensions
aifc
Source
The National Archives and Records Administration / The National Archives and Records Administration

Relationships

Has priority over

Internal signatures

Audio Interchange File Format (Compressed)

Note
Starts like most IFF files (FORM) followed by four bytes that tell how many more bytes follow in the file followed by AIFC.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
464F524D{4}41494643
Endianness
Big-endian

Changelog

  • Updated in V62

    Release date
    28 August 2012

    Audio Interchange File Format (Compressed): Description information submitted by the National Archives and Records Administration.

  • Updated in V55

    Release date
    4 January 2012

    Audio Interchange File Format (compressed): Priority information changed to avoid potential misidentification with Interchange File Format.

  • Added in V45

    Release date
    6 December 2010

    Audio Interchange File Format (compressed): Signature submitted by Georgia Tech Research Institute, USA.