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Format

Ogg Speex Codec Multimedia File

Summary

Name
Ogg Speex Codec Multimedia File
Identifiers
  • MIME: audio/speex
  • PUID: fmt/948
Format type
Audio
Description
Ogg is a open container format maintained by the Xiph.Org Foundation. The Speex codec is a lossy codec aimed at handling low bitrate audio, particularly speech.
File extensions
ogg, spx
Source
Digital Preservation Department / The National Archives

Relationships

Can be contained by
Has priority over

Internal signatures

Ogg Speex Codec Multimedia File

Note
Ogg Page header: Capture pattern (“OggS”); stream structure revision (00h); flag: 1st page of a logical bitstream (02h) {22} 'Speex ' identifier {72} next Ogg Page.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
4F6767530002{22}5370656578202020{72}4F676753
Endianness
None

Changelog

  • Added in V86

    Release date
    27 July 2016

    Ogg Speex Codec Multimedia File: Signature developed through PRONOM Research.

    Ogg Speex Codec Multimedia File: Full entry added.