On Sun, 2005-09-04 at 14:30 -0500, Reuben Martin wrote: > I need to be able to pipe stereo audio through a notch filter so that > I can adjust it while listening and analyzing the effects it is > having. Unfortunately I cannot find a way to do this. Here's why: > Not sure how narrow you need the notch to be but I just did this using Ardour to pipe (via JACK) to Jamin. (Thanks to a suggestion from this list). It worked slick to filter out a ~400 Hz tone from a tape recording. Just make the notch as narrow as you can and then slide it back and forth while listening. Mike Mike Jewell One-Up Audio