[sdiy] expo accuracy? or integrator accuracy?, or both?

[harrybissell]

sort of like....

"I built the Chua oscillator but the result seems chaotic to me... what am I
doing wrong ?"

:^P   <bald mode off>

H^) harry (who was going to build a chua oscillator... till I heard an MP3 of one
in use...
I can barely stand the chaos of an MS-20 filter in self-oscillation..)

Scott Gravenhorst wrote:

> Grant Richter <grichter at asapnet.net> wrote:
> >> I've had an ASM-1 VCO measure in at a 21 octave range, but the last part
> >> wasn't
> >
> >That would be about 6 decades or 10E-9 to 10E-3 from the current source.
> >
> >That should be normal for an exponential pair, but of course a current of
> >10E-9 can easily leak away or be absorbed by bias currents.
> >
> >Rather than perfecting the a "good enough" core, wouldn't it be more
> >interesting to investigate new dynamic waveshaping designs like the Buchla
> >Music Easel?
> >
> >It seems to me the frequency stability is acceptable, but new timbral design
> >has barely been touched on. Timbre is arguably the next most important
> >parameter after pitch is satisfactory.
>
> Hear hear!  Does "dynamic waveshaping" mean "ever changing" or in our world,
> voltage controlled ?  I would love to play more with this.  I've done the
> usual messing with VCO sync, PWM and a bit of folding, but not much more.
> Bifurcation, as in the Chua chaos oscillator system, looks cool, but the Chua
> seems too "out of control" for my use.
>
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