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adpcm audio IC

i search for a adpcm IC

i want to make audio capture device card to stream audio over the internet.

Reply to
WarFrame
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I get mine from here

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martin

Reply to
martin griffith

ADPCM is normally done in software. Take a linear pcm input and process it according to how much info you want to throw away.

Graham

Reply to
Pooh Bear

Oki Semiconductor has been making ADPCM chips for over 20 years. They were very popular in the telephone industry, although now the conversion is typically done in software or firmware.

Here's a good link to some Oki circuits: "ADPCM for Highly Intelligible Speech Synthesis",

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We have some tools available for processing Oki ADPCM (and other formats) at

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