[PD] Re:[OT] How do your performance environments looks like?

[Chris McCormick]

Sending this again to the list.

On Sat, 19 Apr 2003 09:53:16 +0200
"Bryan Jurish" <moocow at ling.uni-potsdam.de> wrote:

> 
> good morning,
> 
> ... apologies for drawing this thread yet further off-topic...
> 
> On 19 April 2003 at 11:53:26, Chris McCormick wrote:
>  [snip]
> 
>  > If you are interested in pursuing this course of action, the
>  > following circuit is very simple & cheap to build. We have used
>  > this live several times, although I've never bothered to run it
>  > into [fiddle~]. It only uses two ICs and follows the same basic
>  > principle of the theremin, but using digital componentry (it
>  > doesn't produce the very nice sine-wave that a theremin does, but
>  > rather makes a horrible and harmonically rich screaming square
>  > type of sound wave).
>  > 
>  > http://mccormick.cx/gfx/digital%20theremin%20(small%20pic).jpg
> 
> wow -- i built this one once myself, and while i eventually did
> manage to get it to behave like a theremin, it also made a great
> receiver for the local radio station ;-)
> 
> i also got a constant horrible nasty ugly feedback-loop-like
> scream somewhere >= 10KHz, though, which drove my roommates
> nuts and made the device rather useless as a sound-source --
> have you had similar problems?  if so, how do you deal with
> them?

Mine produces a very definite pitch, even if it is pretty screamy. At
different points there are several different higher level harmonics
coming through modulating a bit with the main pitch, but it's useable.
Any other quirks we just worked into the show to add character.

Chris.
_________________________________
chris at mccormick.cx
http://www.mccormick.cx
http://www.sciencegirlrecords.com