> Maybe a PIC is not the adequate tool to do the actual detecting. It
> probably is better suited to process the detection signal of some simple
> hardware circuitry (similar to what you find in a typical light organ).
the way i'd do it is to do any filtering (i don't belive you'll actually need filtering if its direct from a dvd player) and the envelope detection in hardware but leave the pic to decide what level of the results represents sound to provide some easy software control over sensitivity.


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