[sdiy] Tuneable CV Quantizer

[harry]

Harry Partch...?

ain't that the boy wizard thats so popular these days ???

(teehee)

H^)   harry

John L Marshall wrote:

> Again, I like the idea of 64 comparators with adjustable input thresholds
> and 64 pots to set the output level.
>
> You can do Harry Partch music with 43 notes per octave.
>
> Feed an up ramp in and you can do the sequencer thing.
>
> Feed a down ramp in and the sequencer runs backwards.
>
> Feed a triangle in and the sequencer runs upand down.
>
> Lower the amplitude and the sequence shortens.
>
> With the pots you can create quantization errors (backward steps).
>
> Real synthesizers have lots of pot.
>
> ----- Original Message -----
> From: Steve Ridley <spr at spridley.freeserve.co.uk>
> To: <synth-diy at dropmix.xs4all.nl>
> Sent: Thursday, September 27, 2001 12:46 PM
> Subject: Re: [sdiy] Tuneable CV Quantizer
>
> >
> > > I am currently trying to figure out a way to build a tuneable quantizer
> so
> > I
> > > can get non-standard tunnings and that type of thing. Does anyone know
> > > of anything like this that is around yet that I can maybe hunt the
> > schematics
> > > down for, or any ideas on how I could make this work.  I have not had
> much
> > > luck trying to figure this one out yet, any help would be appreciated.
> >
> > The Buchla 246 Sequencer could double as a sort of quantiser.  It had
> > voltage selection of stage, so you stick a CV in there and the output
> > steps between the pot settings.  If you're going to have a quantiser with
> > loads of pots, it makes sense that it can double as a sequencer.
> >
> >
> > Steve Ridley
> >
> >
> >