GitHub - Source-Authors/speex: Speex voice codec mirror - THIS IS A MIRROR, DEVELOPMENT HAPPENS AT https://gitlab.xiph.org/xiph/speex

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Speex voice codec mirror - THIS IS A MIRROR, DEVELOPMENT HAPPENS AT https://gitlab.xiph.org/xiph/speex

www.speex.org/

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Name		Name	Last commit message	Last commit date
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contrib/oss-fuzz		contrib/oss-fuzz
doc		doc
html		html
include		include
libspeex		libspeex
m4		m4
macosx		macosx
speexclient		speexclient
src		src
symbian		symbian
ti		ti
tmv		tmv
win32		win32
.gitignore		.gitignore
.gitlab-ci.yml		.gitlab-ci.yml
.travis.yml		.travis.yml
AUTHORS		AUTHORS
COPYING		COPYING
ChangeLog		ChangeLog
Doxyfile		Doxyfile
IDEAS		IDEAS
INSTALL		INSTALL
Makefile.am		Makefile.am
NEWS		NEWS
OPTIMIZE		OPTIMIZE
README		README
README.TI-DSP		README.TI-DSP
README.Trimedia		README.Trimedia
README.blackfin		README.blackfin
README.symbian		README.symbian
README.win32		README.win32
Speex.kdevelop		Speex.kdevelop
Speex.spec.in		Speex.spec.in
TODO		TODO
autogen.sh		autogen.sh
configure.ac		configure.ac
library.json		library.json
meson.build		meson.build
meson_options.txt		meson_options.txt
speex.m4		speex.m4
speex.pc.in		speex.pc.in

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See INSTALL file for instruction on how to install Speex.

The Speex is a patent-free, Open Source/Free Software voice codec. Unlike other codecs like MP3 and Ogg Vorbis, Speex is designed to compress voice at bitrates in the 2-45 kbps range. Possible applications include VoIP, internet audio streaming, archiving of speech data (e.g. voice mail), and audio books. In some sense, it is meant to be complementary to the Ogg Vorbis codec.

To use the Speex command line tools:

% speexenc [options] input_file.wav compressed_file.spx

% speexdec [options] compressed_file.spx output_file.wav