[LAU] Looking for a (fixed) filterbank plugin

[robertlazarski]

On Thu, Jul 1, 2021 at 1:47 AM Jeanette C. <julien at mail.upb.de> wrote:

> Jul 1 2021, Fons Adriaensen has written:
> ...
> > What do you mean by a 'resonant' filter bank ? The filters used in e.g.
> > vocoders are not really resonant, they are bandpass.
> Oh, of course. I meant with bands possibly being quite narrow or
> adjustable in width.
> What do you want
> > to do with the filters ?
> I'd like to use them to process sounds in the mixing stage. Pass a bass
> or other sound through it. Think of modular/semi-modular filterbanks
> like the Moog System-55 one. Does that make sense?
>
> Best wishes,
>
> Jeanette
>

I have no idea about Linux software for filterbanks. Beyond my day job, I
use Linux mostly for the video scripting of my performances on YouTube.

Anyways, I am interested in Formant synthesis of vowel sounds created by
natural voices. That ideally requires 3 or more bandpass filters in
parallel i.e. filterbank like the Analogue Solutions rs360.

My Moog One has two State Variable Filter modes A and B that can be in
parallel and have bandpass. Only two bandpass filters is not ideal but it's
a start. The unit also has vocoder and resonator effects. I have external
API 565 filters for the rest.

You can read more about Formant synthesis here:

https://www.soundonsound.com/techniques/formant-synthesis

Robert

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