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adpcm audio IC

W

WarFrame

Jan 1, 1970
0
i search for a adpcm IC

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

Pooh Bear

Jan 1, 1970
0
WarFrame said:
i search for a adpcm IC

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

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
 
W

www.VoiceInformation.com

Jan 1, 1970
0
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", http://members.tripod.com/werdav/adpcm.html.

We have some tools available for processing Oki ADPCM (and other
formats) at www.VFEdit.com.


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