Zyxel 2864 & voice -> bad sound quality?

Marc Eberhard (marc@athene.thphy.uni-duesseldorf.de)
Thu, 19 Feb 1998 07:44:55 +0100


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Hi!

Bjoern Buerger wrote:
> Joergen Haegg wrote:
> > Does anyone know why the playback on 2864 is distorted
> > when using compression 4?
> 
> IS IT ?
> I tried every compression mode and 4 is the best of all .
> (subjektive Meinung)
> Modem is 2864D - analog - with the latest firmware (1.19) 

Well, plain 8-bit-ulaw PCM should be even better. But from all the
ADPCM modes, 4 is the best one. The number stands for the number of
bits per sample. The higher that number, the better the quality
(because you can encode of course more information about the original
signal).

Bye,
Marc
_______________________________________________________________________________
Email: Marc.Eberhard@Poseidon.ThPhy.Uni-Duesseldorf.DE
WWW: http://Poseidon.ThPhy.Uni-Duesseldorf.DE/~marc/
PGP: http://Poseidon.ThPhy.Uni-Duesseldorf.DE/~marc/Marc_PGP.key

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