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liba52 - a free ATSC A/52 stream decoder

News

July 27, 2002: a52dec-0.7.4 is released ! With full reentrancy, win32 output, al file output, gain control, and a few portability fixes.

February 20, 2002: a52dec-0.7.3 is released ! With 40% to 80% improved speed, some bugfixes, and a few new output modules.

December 16, 2001: a52dec-0.7.2 is released ! This release adds wav format output, and an improved demuxer which makes it easier to use a52dec as a pipe. Also, lots of minor bugfixes and performance/portability enhancements.

About liba52

liba52 is a free library for decoding ATSC A/52 streams. It is released under the terms of the GPL license. The A/52 standard is used in a variety of applications, including digital television and DVD. It is also known as AC-3.

The main goals in liba52 development are:

The project homepage is at http://liba52.sourceforge.net/

a52dec

a52dec is a test program for liba52. It decodes ATSC A/52 streams, and also includes a demultiplexer for mpeg-1 and mpeg-2 program streams.

The liba52 source code is always distributed in the a52dec package, to make sure it easier for people to test it.

Other projects using liba52

liba52 (and its ancestor libac3) is being used by various other projects, including:

If you use liba52 in another project, let us know !

Tasks

There are several places where we could easily use some help:

References

The A/52 standard, as published by the ATSC, is available at http://www.atsc.org/standards/a_52a.pdf


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