> Kade Hansson wrote an informative piece about audio formats, but:
>
>
> A 22kHz sine wave is on the fringe of human heaing. However, a CD will
> convert this to a square wave,
>
I think the input from the master is filtered to remove all
frequencies above some frequency slightly BELOW 22 kHz. And the CD would not
reproduce a 22 kHz sine wave as a square wave, because of the output
filtering, which would remove the harmonics, leaving a fairly smooth sine
wave.
> (which is hardly relevant to your average listener, who has more problems
> in their amp than from digital artifacts)
>
No question. I can't tell a 15 kHz sine wave from a 15 kHz square
wave.
> A steep sine wave simply cannot be accurately represented at a 44.1kHz
> sample rate.
>
Not sure what this means.
simon
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