🚀 go-pugleaf

In article <2757@phred.UUCP> jefft@phred.UUCP (Jeff Taylor) writes:
>In article <1737@draken.nada.kth.se> d88-jwa@nada.kth.se (Jon W{tte) writes:

>>The solution is to "fake" a higher sample pitch, causing the CD to
>>interpolate the samples between the actual samples. The waveform

>For every problem there is a simple, wrong,  solution. (sorry)

>Linear Interpolation introduces disortion (changes the spectrum).
>[which can be componsated for in a digital filter].  Adding zeros does not.
>(plus the calculations are so simple).  

[ Long description of bandwidth inverting/shifting and adding zeros ]

Ahem.. Yes, you might be right. Or the CD players use a curve-fitting
algorythm. Your method is, of course, theoretically correct, but do you
KNOW that this is the way it's done in a CD ? I remember hearing something
else...

h+@nada.kth.se
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