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Re: QUO as VCF?

2004-10-03 by John Loffink

John P's right. I forgot about that function. The hold resumes where it
left off, so there's no way this could be done with a filter circuit. A
quadrature triangle core with sine converters is the most likely
implementation.

John Loffink
The Microtonal Synthesis Web Site
http://www.microtonal-synthesis.com
The Wavemakers Synthesizer Web Site
http://www.wavemakers-synth.com


> -----Original Message-----
> From: John P [mailto:johnp299792@...]
> Sent: Saturday, October 02, 2004 8:27 PM
>
> Can't be... could it.? Because of the 'hold' input that freezes the
> waveform at that point.
> How would you implement that using a filter??? More likely a carefully
> done triangle generator with a sine convertor,
>
> Also, as John L just pointed out, there's no filtering input.
>
> Fahl, Romeo wrote:
>
> >Has anyone tinkered with using their QUO as a VCF? Isn't it just a state
> variable VCF with high feedback to the point of oscillating? There was an
> Electronotes 4 Pole VCF that was also presented as a sine/cosine
> oscillator, which I hear is a nice little module.
> >

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