[PD] is this a spectral gate?

Hans-Christoph Steiner hans at eds.org
Fri Mar 2 01:32:18 CET 2007

That is very nice.  We need more stuff like this!

Unfortunately, the sound breaks up badly when I draw in the arrays.   
Does that happen on other platforms?  I am on Mac OS X.  I wonder if  
there is a more efficient way to do the drawing part.

I added a little splash of color and some simple step-by-step  
instructions for the newbies.  Stuff like this is the perfect way to  
inspire people to learn Pd.

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On Feb 23, 2007, at 1:10 PM, Josh Steiner wrote:

> that is one hell of a lot of fun to play with.
> padawan12 wrote:
>> 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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