codec2

Open source speech codec for low bitrate voice communication

brewmacoslinux

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Open source speech codec

c2encc2decc2sim

Encode a raw audio file to Codec2 format$ c2enc 3200 input.raw output.c2

Decode a Codec2 file back to raw audio$ c2dec 3200 output.c2 decoded.raw

Simulate codec with analysis and synthesis$ c2sim input.raw --output output.raw