Notes
Notes from building Drift Delay and Swirl Chorus, with explanations of the controls, audio examples and things to try.
Articles2
Ladder filters in the feedback loop
A filter inside a delay's feedback loop cuts the sound again on every repeat, so the filtered frequencies die away faster than the rest. That is also why Drift Delay defaults to a gentle slope.
Tape, bucket brigade and digital delay
How Drift Delay's Tape, BBD and Digital models change each repeat, and why BBD gets darker as the delay time goes up.