[PD] fft beginner question

[Chuckk Hubbard]

On Nov 22, 2007 12:33 PM, Chuckk Hubbard <badmuthahubbard at gmail.com> wrote:
> On Nov 22, 2007 1:34 AM, Mathieu Bouchard <matju at artengine.ca> wrote:
> > FFT can also be defined to only use real numbers, but the formulas are
> > more complicated and the data layout is slightly irregular. Pd does not
> > support those: it supports real-to-complex hybrids, just to avoid the
>
> If I run two rfft's from the same signal, and multiply the imaginary
> outputs, do I get negative squares?
> I'll see...

[osc~]
|
[rfft~]
       | \
       [*~]
        |
       [tabsend~ foo]

gives all positive results...

-Chuckk

-- 
http://www.badmuthahubbard.com