[sdiy] [synth-diy] numerically controlled superoscillator without hard sync

cheater00 . cheater00 at gmail.com
Mon Feb 10 12:38:42 CET 2014


On Mon, Feb 10, 2014 at 12:25 PM, Roman Sowa <modular at go2.pl> wrote:
> And the crossfade between mips can be determined by tuning voltage that
> drives VCO controlling the sample rate.
>
> Is it possible that for example at 1V control step the sample rate VCO goes
> up only by half octave and sample rate converter goes from 512 to 384
> samples so actual output frequency is one octave higher?

This could be a fun way to do things as well, but I don't think it's
exactly necessary. It could add its own touch, though. Filed under
crazy synthesis.

> In this particular case 10 octaves is no longer 50kHz to 50MHz of sample
> clock range, but only up to 1.56MHz. Easier for VCO.

We don't need 10 octaves we just need 1 octave plus a bit more for a
smooth hand-over :-)

Cheers,
D.



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