[plug]audio cds, was slowdown probs

[John Knight]

No, this is what I commented on before. 20hz-20khz was what they found in 
the 80s, 16hz to somewhere higher than 20khz (it may have been 22khz) is 
what was found later on.

>
> > you shouldnt be able to hear a 27khz sine wave, but you can notice
> > a slight difference in the sound of a 9khz square wave over a sine
> > wave. i dont know why , but if someone with more knowledge about
> > human hearing can fill us in on this , it would be appreciated.
> > as i said previously , have a listen to something on scd and
> > compare it to standard cd.
>
>Human hearing range is approximatley 20Hz-20kHz and intensities above
>0db but below 120db (that is the pain threshold... above this it
>hurts and causes damage). So theoretically you couldn't hear a sound
>at 27khz though I get the impression that you are confusing scales
>somewhere but I could be totally wrong.
>
>Regards,
>Paul Chamberlain
>


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