pkgsrc/audio/mad/DESCR

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MAD is a high-quality MPEG audio decoder. It currently supports MPEG 1 as
well as the MPEG 2 extension to Lower Sampling Frequencies. All three
audio layers (Layer I, Layer II, and Layer III aka MP3) are fully
implemented.
MAD does not yet support MPEG 2 multichannel audio (although it should be
backward compatible with such streams), nor does it support the so-called
MPEG 2.5 format.
MAD has the following special features:
- 24-bit PCM output
- 100% fixed-point (integer) computation
- completely new implementation based on the ISO/IEC standards
- distributed under the terms of the GNU General Public License (GPL)