Algorithm for converting PCM to IMA ADPCM? -

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i have algorithm decompressing ima adpcm http://wiki.multimedia.cx/index.php?title=ima_adpcm, no way re-compress ima adpcm. there simple pseudo code description, or have reverse engineer decompression algorithm?

i'm doing because i'm writing server needs receive audio, merge audio tracks together, send out.

thanks help.

the following open source project pcm ima adpcm encoding c# implementation: https://github.com/flitskikker/imaadpcmencoder


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