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

Video

Projects/Formats

Container Formats

  • Ogg: Media container. This is our native format and the recommended container for Xiph codecs.
  • 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

Uncompressed Audio/Video

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

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

Resources for Video and Audio programmers

Wiki internal