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Re: Nyquist Frequency
>Example: 48KHz digital A/D converter could capture a 23KHz
> > sine wave, and output a 23KHz sine wave whose amplitude varies at 1Khz
> > would hear that 1Khz signal for sure!
>Frequencies below Nyquist come through without any change.
well, why don't you actually try it :-)
I did, the 1khz tone is not very loud, but it's there.
Not every fact is in the textbooks ;-)