Thought I'd share this simple modification. Finally drew this up after several months. You could use this in other pedals as well!
(http://i1169.photobucket.com/albums/r518/shorty65mustang/BYOCEnvelopeFilterMods.png) (http://s1169.photobucket.com/user/shorty65mustang/media/BYOCEnvelopeFilterMods.png.html)
EDIT: oops put this in the wrong area!
Please add the file as attachement!