Mark, > The good news here is that a flute produces the closest thing to a > pure sine wave that you can get from a musical instrument. You'd > probably have to open the audio in port and start counting > zero-crossings and reject anything too far out of band.
That's the basic idea. > Even looking at just an A-440Hz signal, though, that means looking > looking for a transition every 1.8 milliseconds. System ticks aren't > that accurate. The program wouldn't report more often than maybe a fifth of second (averaging maybe 50 cycles) or else the output gets too jittery. Nelson _______________________________________________ use-revolution mailing list [EMAIL PROTECTED] http://lists.runrev.com/mailman/listinfo/use-revolution
