PCM=PWM?

Rob cyborg0 at GlobalEyes.net
Mon Dec 28 00:35:15 CET 1998


jhaible wrote:
> 
> > Is it true that pulse code modulation is the SAME as pulse width
> > modulation?
> 
> Of course not. But you can transform a PCM'ed information into a
> stream of 1's and 0's at a higher sampling rate, which is at least
> *similar* to PWM.
> 
> JH.

AHa! ok.. this is what was going on.. the circuit in question is the
hi-hat circuit of the 909.. just by increasing the freq of the input
clock, the samples play faster..
rob



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