[sdiy] From a commercial standpoint -- has Eurorack "won"?

Mattias Rickardsson mr at analogue.org
Wed May 4 10:28:50 CEST 2016


Den 3 maj 2016 6:46 em skrev "Quincas Moreira" <quincas at gmail.com>:
>
> You can always patch VC control of resonance.  Just send the filter
> output to an inverter, then to a VCA, then back into another filter
> input.  Voila, control the VCA = control filter resonance.

Nope, not on all filters. The usual state-variable topology has its Q
feedback from the bandpass output and with opposite direction:
Less feedback -> higher resonance
More feedback -> lower resonance

So there you need to do some odd tricks *and* have the bandpass output
available.

/mr
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20160504/73d3e1bd/attachment.htm>


More information about the Synth-diy mailing list