[sdiy] 20ms delay? analog allpass filter?

[René Schmitz]

HI David,

On 08.02.2023 00:12, David G Dixon wrote:
> That's cool, but why not use a 4-bit counter and a 16-channel digital
> switch?
>
Because that would be hard switching, while the scanner does a crossfade

(plus some high pass action) as the rotor plates move over the stator 
plates.

The whole thing is a complex variable capacitor.


Best,

  René


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