I did a list with wavform once
https://faustdoc.grame.fr/manual/syntax/#waveform-primitive
Hope it helps...
> On 17. Aug 2022, at 18:10, Robin Gareus <ro...@gareus.org> wrote:
>
> Hello Faust community,
>
> I'm brushing up my FAUST skills. It's been over a decade and it's
> amazing to see how far things have grown. Well now, I just ran into an
> issue:
>
>
> How can I place signal primitive into a list?
>
> e.g. use _,_ as list arguments (_,_) for `an.analyzer(3, HERE)`
>
>
> If I understand correctly, lists are just parallel composition. So I
> expected an extra pair of brackets to work. Why doesn't it?
>
>
> -8<-
>
> Perhaps the deeper issue is the design-pattern that I'm aiming for. So
> let me elaborate. The specific use-case is a multiband effect[1]:
>
> The following works (implementation omitted for readability):
>
> ```
> apply(fq,g1,g2,g3,g4) = _;
>
> freqs=100,200,300;
>
> process= _ <: par(i,2,_)
> : (an.analyzer(6, (freqs)) , _)
> : apply (freqs);
>
> ```
>
> Now, I'd like to make this generic for arbitrary numbers of frequency
> bands, rather than 3 hardcoded band-splits. This is similar how
> an.analyzer() or filterbank work, except with an additional gain
> parameter for each band:
>
>
> ```
> nuapply(freqs, gain) = _
> with {
> nb = ba.count(freqs);
> f(n) = ba.take(n, freqs);
> g(n) = ba.take(n, gain); // bm +1 elemements
> };
> ```
>
> So far so good. This works with explicit literal arguments.
>
> However I fails to see how the output of analysis stage can be passed as
> list.
>
> I tried another approach using `nu2apply(freqs)` and then
> selectn() the gain levels from input bus, but that quickly becomes a mess.
>
> What is the Faustian way to implement this?
>
> Thanks in advance,
> robin
>
> --
>
> [1]
> https://gist.github.com/x42/eeb2aa9f9cc4a9083fb2cf2d86645c9a#file-mcomp-dsp-L43-L60
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