Thanks, Derek. You hit the nail on the head. The patch in the example you cite perfectly demonstrates the sound I am hearing. Now, I must work to understand it to apply it to my case. I must get a copy of Miller's book! On Sun, 2008-10-19 at 00:13 +0200, Derek Holzer wrote: > Check > 3.audio.examples/J07.oversampling.pd for one anti-aliasing strategy,