> >> represent higher frequencies (and possibly to design a better > >> real-world filter). > >And represent the original waveshape better provided it's not a sine wave. > Not in any way except by representing higher frequencies. > Weren't we just here? Yes, and what you're stating is incorrect. ;-) If I have a 20khz sample rate, and I have the following waveforms being sampled (assuming PERFECT alignment of the sample point and the peaks of each cycle of each waveform): 10Khz Sine wave 10Khz Square wave 10Khz Sawtooth wave 10Khz Pulse wave When played back at the same 20khz sample rate, they are *ALL* going to be sine waves (assuming an ideal filter, of course). The peaks from the sawtooth wave are now rounded. Now let's assume a 40khz sample rate with the same 10Khz signals above. Each waveform looks quite a bit closer to its original. Therefore, a higher sample rate == higher detail at the same original input frequency. If you double the sample rate, you double the significant samples within a waveform, making it closer to the original. Hopefully this clears it up 100%. -->Neil ------------------------------------------------------------------------------- Neil Bradley In the land of the blind, the one eyed man is not Synthcom Systems, Inc. king - he's a prisoner. ICQ #29402898
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Re: [motm] Re: OT: Tales from an Audiophiles Crypt
2002-10-30 by Neil Bradley
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