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DIY Stompboxes => Building your own stompbox => Topic started by: Hal on September 06, 2004, 03:51:43 PM

Title: easy envelope swell
Post by: Hal on September 06, 2004, 03:51:43 PM
how hard would it be to convert an envelope filter to envelope swell?  I suppose the easiest way to do this would be to replace the notch filter with a low pass filter, that would begin out of a guitar's range, then sweep into it.  Are there any other easy ways to do something like this?
Title: easy envelope swell
Post by: smoguzbenjamin on September 06, 2004, 05:11:01 PM
Use the nurse Q envelope detector and use that FET to ground to change the gain of an opamp. Should work just fine :)