I have been experimenting with some zero delay feedback filters, as used in the latest and greatest virtual analogue synths. I’m a long way from understanding it myself, but i’ve had fun playing with some code that others have published. Attached is an SVF. The cutoff freq can be much higher than the standard svf cutoff freq.
For more info see…
Endless Series v3 out now – A unique synthesis and effect plugin/app based on the Shepard Tone auditory illusion.
Two more… a transistor ladder (moog-like) and a diode ladder (VCS3/TB303 like)
These sound really great!
intriguing, thanks for the share! cant wait to look inside
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