GNU speex

The Speex project aims to build a patent-free voice codec. Unlike codecs like MP3 and Ogg Vorbis, Speex is specially designed for compressing voice at low bit-rates (in the 8-32 kbps/channel range) for applications such as voice over IP (VoIP). Other possible applications include Internet audio streaming at low bit-rate, and archiving of speech data (e.g. voice mail).

The Xiph.org license under which this software is released is similar to a revised BSD license.

Last updated 22 Jan, 2009


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Requirements
  • libogg (for command line executables) (Weak Prerequisite)
  • autoconf (Weak Prerequisite)
  • automake (Weak Prerequisite)
  • libtool (all three for building from CVS) (Weak Prerequisite)
Related Projects

FLAC, Ogg Vorbis, Sox

Versions

1.0.5

1.0.5 stable released 2005-05-07

User Community and Support

http://www.speex.org/docs/

General Resources

Development

Developer Resources
 

Please send comments on these web pages to bug-directory@fsf.org, send other questions to info@fsf.org.

Copyright © 2000 - 2009 Free Software Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301, USA

The copyright licensing notice below applies to this text. Any software described in this text has its own copyright notice and license, which can usually be found in the distribution itself.

Permission is granted to copy, distribute, and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts.