[sdiy] Anttis A1 synth!

[Sean Costello]

Is Antti' Sallen-Key algorithm published anywhere? Paper, mail list posting,
etc?

Thanks,

Sean Costello

----- Original Message ----- 
From: "Martin Fay" <martin at martinfay.com>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Monday, September 19, 2005 1:57 PM
Subject: Re: [sdiy] Anttis A1 synth!


> karl dalen wrote:
> > Antti, the A1 filter dont sound like a MS20 in MS20 mode!
> > Did you emulate it as a true sallen/key or did you cheat! :-)
> >
> > KD
> > (ps: but its quite musical anyway)
>
> Which MS-20? I implemented a variant of Antti's algorithm in VAZ Modular
> (grab the demo if you want a play, it's the Filter K) though I used a
> different clipping function because it didn't match the nastiness of my
> MS-20 as provided. It is definitely Sallen-Key. I've managed some pretty
> convincing emulations, at least compared to what Korg give you :>
>
>
> Martin