> But anyway couldn't DSP be used to surpress/attenuate noise? Digital
> bandpass filters exist so therefore isn't this DSP?

Again, only if the noise has some characteristic that distinguishes it from
the real signal.  Suppose the noise is a 1KHz sine wave.  How is the DSP
supposed to know that the radio station isn't sending a signal that happens
to contain a 1KHz sine wave?


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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