> It would be EASIER to do this with a digital system.... If one were sufficiently motivated, I'm sure the various models for generating exciting visual stimulation associated with music which have become standard in audio players these days could be adapted for this sort of control. It probably wouldn't be quite so aesthetically pleasing, though. Mike H. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist