[music-dsp] audio compression algorithms

[Adam Green]

Thanks a lot for all your responses and useful pointers. i should be 
able to make some sense of that IMA algorithm (although i'm not a c 
programmer!) and for the moment anyway, simple is good!

best
adamG

>The Microsoft ADPCM encoder is not the IMA version. It is a more adaptive
>version which can yield much better sound. I haven't compared it to
>ITU/G.726, but I have compared both source and output to IMA and it is
>definitely different.
>
>The IMA encoder is quite possibly the simplest ADPCM encoder available,
>although it is not well adapted to certain types of sound. It is available
>here: file://ftp.cwi.nl/pub/adpcm.shar as an easy to read c file.
>Ian
>



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