[sdiy] VC Chaos

[ASSI]

On Montag, 29. November 2004 02:20, Ian Fritz wrote:
> Agreed, for audio freqs.  I believe what you are suggesting is trying
> to find the "right" kind of "noise" as found in acoustic instruments.
>  Pretty much an unexplored area.

I'm even hesitant to call it noise, at least not in the usual 
statistical sense. As far as audio signals are concerned, I'm 
interested in that fine line between harmonic oscillation, octave 
doubling and "real" noise, which of course assumes the ability to very 
minutely control the parameters that are involved.

BTW, introducing a nonlinearity into the feedback path of a resonant 
filter should also creates chaos. Quadratic is said to be enough, but 
I've not tried that yet, unfortunately. This topology would be very 
similar to the cascaded integrator setup you are using.

> I have been more interested in slow control signals and pulse trains,
> which is what the demos involve.

I'll have a listen to the demos later this week.

Pulse trains are cool, especially if you can use several of them that 
have some limited correlation to each other. With the right combination 
of parameters you may be able to produce auditory illusions.

> Sorry about that.  Unfortunately, you need quite high resolution to
> get a good picture, and lots of pictures to even start to illustrate
> the variety of patterns you can get.  The MP3s are 709, 362, 225, and
> 268 KB.

No need to be sorry for your web page and these MP3 sizes are quite 
manageable...


Achim.
-- 
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