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- Newsgroups: comp.dcom.modems
- Path: sparky!uunet!mcsun!fuug!fidata.fi!fidata!pete
- From: pete@fidata.fi (Petri Helenius)
- Subject: Re: Zyxel voice compression
- In-Reply-To: nelson@crynwr.com's message of 16 Aug 92 07:28:38 GMT
- Message-ID: <PETE.92Aug18193453@fidata.fi>
- Sender: pete@fidata.fi (Petri Helenius)
- Reply-To: pete@fidata.fi
- Organization: Fimeko-Data Oy, Helsinki, Finland
- References: <PETE.92Aug14170137@fidata.fi> <713927640snx@crynwr.com>
- Date: Tue, 18 Aug 1992 17:34:53 GMT
- Lines: 17
-
- In article <713927640snx@crynwr.com> nelson@crynwr.com (Russell Nelson) writes:
- I was told that ADPCM is just a inter-sample delta. I'd assume that
- the two-bit mode uses two bits for the deltas, and three-bit mode
- uses three bits for deltas. Try getting some samples and plotting
- the waveforms based on this algorithm...
-
- But how are for example the three bit deltas encoded into the bytes?
- I'd really like some doc's on the subject...
-
- Pete
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- Petri Helenius, Fimeko-Data Oy
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