Sustainability of Digital Formats
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Ogg Vorbis Audio Format

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Table of Contents
Identification and description
Local use
Sustainability factors
Quality and functionality factors
File type signifiers
Notes
Format specifications
Useful references
Format Description Properties
• ID: fdd000117
• Short name: Ogg_Vorbis
• Content categories: sound
• Format category: file format, bitstream encoding
• Last significant update: 2004-08-17

Identification and descriptionExplanation of format description terms

Full nameOgg Vorbis Audio Format
DescriptionBitstream encoding and file format designed for efficient distribution of sound files over moderate bandwidth connections; may be used at higher data rates for better fidelity.
  Production phase  Generally used for final-state, end-user delivery.
Relationship to other formats 
  Subtype ofOgg file format
  ContainsVorbis bitstream encoding

Local useExplanation of format description terms

LC experience or existing holdingsNone
LC preferenceGeneral preference for recorded sound is WAVE_LCPM. For compressed sound, AAC_M4A or MP3_FF are preferred.

Sustainability factorsExplanation of format description terms

Disclosure 
  DocumentationSee Ogg and Vorbis, and http://www.xiph.org/ogg/vorbis/doc/.
AdoptionApplications include streaming broadcasts ("oggcasts") and computer games. Recorded books in this format are offered by Telltale Weekly. The compilers of this document are uncertain as the extent of overall adoption and seek comments on this topic.
  Licensing and patent claimsSee Ogg.
TransparencySee Ogg and Vorbis.
Self-documentationSee Ogg.
External dependenciesSee Vorbis.
Technical protection considerationsSee Ogg.

Quality and functionality factors Explanation of format description terms

Normal renderingGood support.
Fidelity (support for high audio resolution)See Vorbis.
Support for multiple sound channelsSee Vorbis.
Support for downloadable or user-defined sounds, samples, and patchesSee Vorbis.
Functionality beyond normal renderingSee Vorbis.

File type signifiersExplanation of format description terms

Tag typeValueNote
Filename ExtensionoggFrom The File Extension Source.
Internet Media Typeaudio/x-ogg
application/x-ogg
From The File Extension Source.
Magic numbersSee Ogg  

NotesExplanation of format description terms

General 
History 

Format specificationsExplanation of format description terms

URLs
http://www.xiph.org/ogg/vorbis/doc/

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Useful references

URLs
Telltale Weekly
http://wiki.xiph.org/VorbisStreams
http://wiki.xiph.org/GamesThatUseVorbis

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Last updated Monday, 06-Mar-2006 07:38:53 EST