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ADPCM Algorithm

Hi,

I need all source code language C for ADPCM(for compression/decompression) please.And if possible the Application Note(documentation).

it's very importante for me and i don't find the all file(.zip).

for information:

I have in input 16 bits and i want have after my compression/decompression(with ADPCM compression) output 4 bits, it's possible ?

I use the DSP: TMS320VC5505 with code composer V4.

 

thanks for your help