flac.sourceforge.net: Flac - Free Lossless Audio Codec
A free, open source codec for lossless audio compression and decompression
speex.org: Speex: A Free Codec For Free Speech
An Open Source/Free Software patent-free audio compression format designed for speech.
vianix.com: Vianix ...Voice Compression Technology At Its Best
Buy the fastest voice compression in the business, MASC! Managed Audio Sound Compression features a fourteen to one compression ratio that measures 4.0-4.2 out of 5 on ...
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