AW(2): Re: butter and pole locations

[Haible_Juergen#Tel2743]

> Maybe it is interesting to be able to change the relative positions
> of the poles with pots on a filter ?
> Is that really relevant in timbre characteristics ?

Build a 4-pole with discrete OTA's and give each OTA a separate
expo converter.
I built a ting like this, called "variable slope VCF". I can spread the
pole locations with a second CV.
The results are interesting, but not overwhealming.

JH.