i search for a adpcm IC
i want to make audio capture device card to stream audio over the internet.
i search for a adpcm IC
i want to make audio capture device card to stream audio over the internet.
I get mine from here
martin
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
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",
We have some tools available for processing Oki ADPCM (and other formats) at
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