Possibly goofy idea...

Harry Bissell harrybissell at prodigy.net
Wed May 10 04:58:50 CEST 2000


Why not hook up the VCO to a knob... and reroute the Pitch CV to the
filter ???

Chop Chop Chop !!!!

H^)  harry the x-acto slasher

Scott Gravenhorst wrote:

> I haven't seen this one (but that doesn't mean it doesn't exist)...
>
> One of my favorite things to do with my FatMan is to hold down
> a key to play a constant pitch and fiddle with the filter cutoff
> freq knob with rez at max.  One can "select" harmonics.  What I
> would like to do is to build a very simple device that has 5 to 8
> micro switches (perhaps a salvaged keyboard).  These switches
> would conduct to a common point, a DC signal from the wiper of a
> pot wired as a voltage divider supplying 0v to max CV.  The CV
> seen at the common point is supplied as the filter's cutoff freq
> CV.  Each key could be "tuned" by pressing it and adjusting it's
> pot.  A sort of human clocked and human programmed analog
> sequencer.  I would think I could then "play" these harmonics.
> The control voltage output of this could probably be used other
> ways as well.
>
> In the real circuit, I'd probably use analogue switches, controlled by
> the physical switches.
>
> Does this sound useful to anyone else?
>
> -- Scott Gravenhorst
> -- Linux Rex, Linux Vobiscum  |  RedWebMail by RedStarWare
> -- FatMan: www.teklab.com/~chordman
> -- NonFatMan: members.xoom.com/_XMCM/chordman/index.html
> -- The 21st century does NOT start in the year 2000!!!




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