The Xiph.Org Foundation is a non-profit corporation dedicated to protecting the foundations of Internet multimedia from control by private interests. Our purpose is to support and develop free, open protocols and software to serve the public, developer and business markets.
Xiph Community Updates
- 2012-09-19 Silvia Pfeiffer : "What is “interoperable TTML”?"
- 2012-09-11 Jean-Marc Valin : "Opus is out, it rocks, and it's a standard"
- 2012-06-29 Ben Schwartz : "It’s Google"
- 2012-06-14 David Schleef : "GStreamer Streaming Server Library"
- 2012-03-05 Monty : "Why 24-bit/192kHz music downloads make no sense"
- more updates at Planet Xiph >
Xiph.Org in the News
- the Opus audio codec is now RFC 6716
- libVorbis 1.3.3 released
- Xiph.Org Submits Comments to the Federal Trade Commission Patent Standards Workshop
- WebM Community Cross-License initiative Announced
- more headlines >
In our effort to bring open-source ideals to the world of multimedia, the Xiph.Org Foundation and its open-source community develops a multitude of amazing products.
Resources by Project
Container Formats
- Ogg: Media container. This is our native format and the recommended container for all Xiph codecs.
- Speex RTP: RTP payload format for voice
- Vorbis RTP: RTP payload format for audio
- Theora RTP: RTP payload format for video
Miscellaneous
- XSPF: XSPF is the XML format for sharing playlists.
- XiphQT: An implementation of our codecs for Apple's Quicktime and Core Audio.
- oggdsf: An implementation of our codecs for MS Windows.
- cortado: A java applet for Web browsers to display our codecs.
Helper Libraries
- libao: A cross platform audio library.
- liboggz: A simple programming interface for reading and writing Ogg files and streams.
- libfishsound: A simple programming interface for decoding and encoding audio data using Xiph.Org codecs.
Software for Distributing Media
- CD Paranoia Robust CD audio extraction
- Icecast: Streaming server
- Ices: Source client for Icecast Server
Codecs
- Vorbis: Audio codec
- Tremor: Fixed-point decoder
- Theora: Video codec
- FLAC: Free Lossless Audio Codec
- Speex: Speech codec
- CELT: Very low-delay audio codec
- Opus: IETF Interactive speech/audio codec
- Ogg Metadata: Arbitrary metadata format