[sdiy] Chris Synths polysynth

[cheater cheater]

I don't understand, why does the delay happen? Thanks.

On Fri, Oct 22, 2021 at 2:56 PM Martin Klang <mars at pingdynasty.com> wrote:
>
> Ah that explains the big slew. It's a very annoying thing about the
> KeyStep that the CV output only settles some 6-8mS after the gate. IMO
> they should have delayed the gate to coincide with the CV.
>
> For many things, like controlling an analog synth directly, it doesn't
> make a lot of difference since a few mS of frequency slew isn't audible
> (to my ears). But if, say, you are making a CV to MIDI converter and
> want it to be compatible with what's probably the most popular CV
> keyboard on the market, then you have to add your own delay, and latency.
>
> And yes I know, you could just use the MIDI output of the KeyStep
> directly, but that's not the point!
>
> Thank you Vladimir for this nugget of information -
>
>
> Martin
>
>
> On 22/10/2021 12:15, Vladimir Pantelic via Synth-diy wrote:
> > Arturia uses a dual PWM scheme in all of the their Keystep and
> > Beatstep products, basically following the circuit laid out here:
> >
> > http://www.openmusiclabs.com/learning/digital/pwm-dac/dual-pwm-circuits/index.html
> >
> >
> > it works nicely, BUT also introduces a >4ms slew on all CV outputs, no
> > biggie if driving an analog synth and it gets hidden in the attack,
> > but a real nuisance if it gets sampled by a digital module...
> >
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