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Provides a simple programming interface for decoding and encoding audio data using the Xiph.org codecs (FLAC, Speex and Vorbis)

Vorbis audio compression reference implementation

Terminal-based audio comparison

Opus file creation library.

A generic C framework. It is developed and used by the Icecast project.

Utility to convert sgi and rgb raw video files.

A generic C framework. It is developed and used by the Icecast project.

Audio output portability library.

Official Opus tools repository

Free Lossless Audio Codec

Ogg media container reference implementation

A library and tools for working with Ogg encapsulation, with support for seeking, chopping and validation. http://www.xiph.org/oggz/

Ogg media container reference implementation

Theora quality/performance benchmarking

in-memory ogg library

Small library for manipulating Ogg streams in memory.

Stand-alone decoder library for .opus streams.