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In Reply to: I'll try and explain it as simply as I can, but it is a lot easier if i can draw a picture posted by Christine Tham on May 20, 2006 at 22:01:19:
>>Now, imagine the waveform wasn't a constant 15kHz waveform, but one that changes in amplitude as well as frequency. Ie. over exactly the same time period (1/15k of a second), the wave changes from 15kHz to 20kHz and the amplitude changes from 0dB to -10dB.
<<You are ovelooking that the steep input filter will take care of this too fast changing signal. Note that the human ear cannot track such a rapid change either.
>>Now try and reconstruct the waveform. You will find that 44.1/16 is not enough resolution to reconstruct the waveform perfectly even in the absence of jitter and quantization error.
<<There is no point in this thought experiment as long as the input signals spectrum is outside the nyquist boundery.
Frank
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- Re: I'll try and explain it as simply as I can, but it is a lot easier if i can draw a picture - Frank.. 11:30:45 05/22/06 (0)
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