Compressed/Encrypted Voice using Modems
Jim Thompson
jim at tadpole.com
Sun Feb 7 02:03:20 PST 1993
> From: Peter Shipley <shipley at tfs.COM>
> >And why are you limiting this to V.32 (9600bps)? V.32bis (14.4k bps) modem
> >chips cost maybe 20% more than v.32 chips in quantity.
>
> at Interopt I heard some voice demos that were at 9600 4800 and 2400 baud
> the 2400 sounded a phoneme chip but was *very* resionable.
Quite likely what you heard were 9600/4800/2400bps (bits per second),
not baud. The two are different. 2400bps compression of voice is
quite a bit beyond current GP CPUs.
Also, note that 9600 baud (V.32 carriers) are based on a 2400bps carrier.
(And if they're not, I'm sure someone will correct me.) 2400 baud modems
are based a bit rate something less than 2400bps, though I can't remember
exactly what it is right now.
Jim
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