[sdiy] Using analog for physical modeling

[David Ingebretsen]

>>> -----Original Message-----
>>> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
>>> bounces at dropmix.xs4all.nl] On Behalf Of Scott Gravenhorst
>>> Sent: Sunday, September 18, 2011 1:41 PM
>>> To: synth-diy at dropmix.xs4all.nl
>>> Subject: Re: [sdiy] Using analog for physical modeling
>>> 
>>> A friend (Les Hall aka Inventor) on the electro-music.com forum came up
with
>>> something I thought was interesting.  He re-modeled a Karplus-Strong
string
>>> model
>>> using analog components (assuming you consider a BBD an analog device).
>>> 
>>> His loop was constructed with a BBD (length, I don't know), a linear
>>> attenuator
>>> (pot) and a tunable single pole lowpass filter (one LM13700).  He drove
the
>>> BBD
>>> clock with a VCO to allow tuning the delay line.  I wish I could find
the
>>> post on
>>> e-m, but my fu isn't so fu.
>>> 
>>> -- ScottG

Is this the thread?

http://electro-music.com/forum/viewtopic.php?highlight=model+karplus&t=40927

David


David M. Ingebretsen, M.S., M.E.
Collision Forensics & Engineering, Inc.

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