GitHub - genesi/speex

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Name		Name	Last commit message	Last commit date
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debian		debian
doc		doc
include		include
libspeex		libspeex
src		src
symbian		symbian
ti		ti
win32		win32
AUTHORS		AUTHORS
COPYING		COPYING
ChangeLog		ChangeLog
Doxyfile		Doxyfile
INSTALL		INSTALL
Makefile.am		Makefile.am
Makefile.in		Makefile.in
NEWS		NEWS
README		README
README.TI-DSP		README.TI-DSP
README.blackfin		README.blackfin
README.symbian		README.symbian
Speex.kdevelop		Speex.kdevelop
Speex.spec.in		Speex.spec.in
TODO		TODO
acinclude.m4		acinclude.m4
aclocal.m4		aclocal.m4
autogen.sh		autogen.sh
config.guess		config.guess
config.h.in		config.h.in
config.sub		config.sub
configure		configure
configure.ac		configure.ac
depcomp		depcomp
install-sh		install-sh
ltmain.sh		ltmain.sh
missing		missing
speex.m4		speex.m4
speex.pc.in		speex.pc.in
speexdsp.pc.in		speexdsp.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