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In an effort to bring open-source ideals to the world of multimedia, the Xiph.Org Foundation develops a multitude of amazing products. This wiki describes our free and open protocols and software.

Demonstrations of Xiph technologies

Want to hear or see Xiph in action? These projects are using our codecs, formats, or libraries.

Audio

• OpusSupport: List of software and services supporting the Opus codec
• Vorbis Streams: Stations streaming with the Vorbis codec
• Games that use Vorbis: Games using the Vorbis codec for music or sound effects
• Vorbis Hardware: Hardware players using the Vorbis codec
• Vorbis Software Players: list of media players with out-of-box support for Vorbis

Video

• Theora Hardware: Hardware using the Theora video codec
• Theora Software Players: list of media players with Theora support
• List of Theora videos: Sources for video encoded with Theora

Projects/Formats

Container Formats

• Ogg: Media container. This is our native format and the recommended container for Xiph codecs.
  • Ogg Skeleton: Skeleton information on all logical content bitstreams in Ogg.
  • Specification of MIME types and respective codecs parameter
• SpeexRTP: RTP payload format for voice
• VorbisRTP: RTP payload format for general audio
• TheoraRTP: RTP payload format for video
• XSPF: XML Sharable Playlist Format

Codecs

Compressed Audio/Video

• Opus: Lossy, low-latency, general-purpose audio codec
• Vorbis: Lossy audio codec with a fixed point decoder
• FLAC: Free Lossless Audio Codec
• Theora: Lossy video codec
• Daala: Lossy experimental video codec, tools later merged into AV1
• Speex: Speech codec (obsoleted by Opus)

Uncompressed Audio/Video

• OggPCM: Audio codec

Timed Text/Metadata

• Kate: Format for lyrics and subtitles
• CMML: Continuous Media Markup Language, used for Annodex and subtitles (xine, vlc, gstreamer, and DirectShow support; obsoleted by Kate)

Software

• Software for distributing media
  • Icecast: Streaming server
  • IceS: Source client for Icecast servers

• Libraries
  • OggPlay: library for synchronised Xiph media playback
  • XiphQT: Quicktime component to play the main Xiph formats
  • VorbisCommentEdit: Macintosh Framework making it easy to incorporate the editing of Vorbis Comments

• Other software
  • OggComponent/VorbisComponent: Wrappers to integrate Vorbis into Mac OS X (does not yet support encoding)
  • cdparanoia: CDDA extractor/ripper

Community

• How to help
• Spread Open Media: project to promote Xiph formats.
  • MailOgging: provides templates for anyone willing to contact a company requesting them to add support for Xiph formats.
• People: Who's who in Xiph.

Work in Progress

• Work In Progress: codecs and software still in the research and development stages.
• Todo: To-do list for various Xiph projects.

Project management

• AdminProcesses: who's in charge of what project
• MonthlyMeeting: page with information on Xiph's MonthlyMeeting
• MailingLists: list of Xiph's mailing lists
• Bounties: list of bounties that you can take to improve Xiph's projects

Resources for Video and Audio programmers

• Ambisonics: page with technical information on Ambisonics
• Educational Videos about audio/video technology.
• Courses and papers on Audio, Music and Speech: page with links to MIT and other universities' content
• Oggless: for ideas on how to use the different Xiph codecs outside Ogg

Wiki internal

• XiphInfra:List of services: List of services the Xiph.Org Foundation uses.
• Translations: Do you feel like helping us with some translation work?
• XiphWiki:Sandbox: Test page for testing your Wiki-editing skills.
• XiphWiki:Copyrights: License used for all content posted on the XiphWiki.
• Logos: Logos of the various Xiph projects.