L´Andratté
Well-known member
Fenris said:Designing something from scratch is beyond me.
You don´t need to, practically everything has been done and published on the net already.
There is a difference between a synth sytle voltage controlled filter, like the steiner vcf, which is mostly used in
music ´generation´, and a filter like the K&H or Neumann w495, etc with the purpose of recording and mixing. You´re probably aware, but just in case...
For the latter kind the only SallenKey implementation that I know of is the drawmer ds201, which i mentioned above.
These are used for tailoring the sidechain bandwith, and are the opposite of subtle tone controls!
I think all your descriptions scream ´state variable´! Here´s an easy one:
http://www.diystompboxes.com/smfforum/index.php?topic=45772.0