via jhaible in this electro-music.com thread:
"I'm doing some research on a physical modeling module.
I try to tie this up to my old PM experiments
( http://www.jhaible.de/jh_ana_phys_mod.html ), making a dedicated module that contains all you need for a analogue physical modelling voice. [you'll find samples there]
BBD, Waveshaper, VCA, Envelope Generator.
For accurate tracking, I try the following idea:
The board contains one of my "Living VCO" cores. The BBD, instead of having the usual HF VCO, is locked to that LVCO with a PLL and variable frequency divider.
I'm using low voltage BBDs (3207) because these are easier to come by in the long run, and their noisyness isn't a problem in a PM module, after all.
Unlike previous BBD projects, that's not a "safe" design where I expect "first time right" - I just make a PCB for myself now, to test the concept, and if I like it, I'll think of something more commercial.
JH."
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