[PD] is this a spectral gate?

padawan12 padawan12 at obiwannabe.co.uk
Fri Feb 23 21:09:22 CET 2007

On Wed, 21 Feb 2007 10:30:28 +0100
Frank Barknecht <fbar at footils.org> wrote:

A couple of little improvements to specdelay to make it more useful as an
audio effect.

> Hallo,
> David Powers hat gesagt: // David Powers wrote:
> > I wish there was an "fft for dumbies" ... or, I guess, some kind of
> > fft "black boxes" to play with, where you don't need to understand the
> > math. Frank's recent post completely lost me, 
> Now I'm disappointed ...
> > though given a bit of study I can probably decode it.
> ... ah, and relieved a bit again. ;) 
> > But, for instance, in Reaktor or Plogue Bidule, you can move stuff
> > into fft, mess with it, and resynthesize, without having any idea what
> > the hell the math is. In comparison, I really couldn't understand the
> > PD fft examples at all, it's just been too many years since I had a
> > math class. 
> The power of Pd of course is, that you can influence things on a much
> lower level than NI allows you to do in Reaktor - although I admit,
> that I only know Reaktor from screenshots. The downside is, that you
> have to dig deeper to make the most out of Pd. This is especially true
> for FFT applications. The actual FFT patches often are very simple and
> they contain just of a handful of objects. It's the knowledge hidden
> inside that makes them difficult to understand. 
> While you can skip a lot of the math, you cannot do FFT in Pd without
> at least understanding what kind of data is generated by the two
> [rfft~] outlets. Because without understanding this, you cannot even
> "fool around" with the data in between [rfft~] and [rifft~] in a
> meaningful way. 
> Anyway, to give you a blackbox maybe like in Reaktor, attached is a
> Spectral Delay GOP abstraction ready to be dropped into any glitch
> patch.
> Ciao
> -- 
>  Frank Barknecht                 _ ______footils.org_ __goto10.org__
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