[PD] Formant from SC in Pd?

Alexandre Torres Porres porres at gmail.com
Fri Apr 14 02:15:50 CEST 2017

2017-04-13 19:25 GMT-03:00 JTG III <jordanthomasgibbonsiii at gmail.com>:

> Chant was the program that implemented Fof synthesis, both developed at
> IRCAM in the late 70's/early 80's or thereabouts.
> I haven't used SC in a long time, and now I'm unsure about those ugens.
> Also, a quick search for anything on the "filter version"  of FOF didn't
> seem to bring anything up, but there's an article in this anthology of
> early eighties Computer Music Journal articles that I have at home which at
> least mentions it, I think. I can check when I get home, or you can find it
> on Sci-Hub.

"Formlet", the "FOF-like filter", is just a resonant filter with an
attack/decay envelope. I was able to replicate it. Though I get the idea
that the fof-filter thingy is based on a bank of such filters, huh?
"Formant", on the other hand, is described as an "oscillator", it
"generates a set of harmonics around a formant frequency at a given
fundamental frequency", has parameters for fundamental frequency, formant
frequency and bandwidth of the formant frequency.

I'm really curious on how to implement it as a pd patch ;) - but I don't
think I've seen anything like it in the Pd world.

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