SV: Re: [sdiy] Old analog synths chladni patterns!

[karl dalen]

--- Mattias Rickardsson <mr at analogue.org> skrev:

> On 09/05/07, Mason <masond at gmail.com> wrote:
> > On 5/9/07, Magnus Danielson <cfmd at bredband.net> wrote:
> > > From: harrybissell at copper.net
> > >
> > > > z-plane ???   :^)
> > >
> > > The sand will drop down into the zeros and get stuck.
> > > Magnus - having actually done the exercise of plotting the
> s-plane/z-plane surfaces way back in time
> >
> > But did you plot them with sand? That's the question.
> 
> Must be tricky. With a digital synth, though, you could do these
> 'granular synthesis' exercises if you model the whole synth as AND
> gates in the S-plane, so-called SAND gates... ;-P
> 
> A bit more serously, Ian was right with his questions:
> "How? Where's the surface?"
> The signal from a synthesizer is just a one-dimensional value as a
> function of time, not a vibrating surface. And the vibrating surface
> of the violin is a vibrating surface, not a sound, and definitely not
> a one-dimensional value as a function of time. Some of the vibrations
> make sound in the whole room, some doesn't. And almost all the sound
> from the violin is made by something else than this particular
> surface.
> 
> :-)
> 
> /mr

Well, it could depend on the philosphical idea about sounds in dimensions! 
Dubito, ergo cogito, ergo sum. 

The speaker are a vibrating surface and it could be seen as a part of the
synthesizers surface.:-)

KD


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