[sdiy] Bit Crunch

[John Mahoney]

At 04:42 AM 5/10/2006, Paul Maddox wrote:
>There's two things I always wanted to try
>
>1) 'holding' some of the bits low, as you've done, but not in order, 
>so for example just have bit 2 low, it should, if my thinking is 
>correct, add a whole bunch of extra harmonics at 4 times the 
>incomming frequency (2 times if bit 1 is held low).
>
>2) 'swapping' some of the bits around, so for example
>[snip]
>I've not a clue what this would do, though obviously swapping bit 7 
>with with one of the others would change the fundamental pitch of 
>the incomming wave, I think....

This relationship between bit position and frequency should apply if 
we're dealing with fairly perfect waveforms. Like, it would work 
perfectly with most wavetables.
--
john