[ILUG] Re: Recording
peter.aherne at motorola.com
Tue Apr 16 15:35:02 IST 2002
<snip> Stuff about sampling rates. </snip>
> This is a sound quality query. Nyquist actually says 2
Actually Nyquist says you should sample at twice the highest frequency
that the signal contains.
> AFAIK, A generally accepted minimum of 100khz sampling
> frequency is used in
> the industry for acceptable quality in audio.
Since voice is from 300 - 3400hz then a sampling rate of at least 6800
should be required for quality in a voice conversation.
Think it was decided to use something like 8000 samples a sec in the
Peter Aherne, Software Engineer, Motorola Ireland Ltd.
http://www.skynet.ie/~peter - peter at linux.ie
Ph: +353 21 4511234 Mobile: +353 87 2246834
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