Re: [Sc-devel] [commit?] StereoConvolution2L

[nescivi <nescivi@xxxxxxxxx>]

On Wednesday 05 December 2007 21:01:54 Josh Parmenter wrote:
> you can turn off windowing with the new FFT implementation. Use
> windowType -1 (then make sure IFFT knows this).

Well, that would open up the way for a UGen PV_Convolution.

Go for it :)

sincerely,
Marije

>
> Josh
>
> On Dec 5, 2007, at 11:58 AM, nescivi wrote:
> > On Wednesday 05 December 2007 20:55:09 Scott Wilson wrote:
> >> On 5 Dec 2007, at 19:49, nescivi wrote:
> >>> Hiho,
> >>>
> >>> On Wednesday 05 December 2007 20:08:32 Scott Wilson wrote:
> >>>> I suppose this is technically already possible without the extra
> >>>> FFT
> >>>> using PV_Copy? But it certainly makes sense as a package for
> >>>> binaural
> >>>> stuff.
> >>>
> >>> No, Convolution is not using the FFT UGen as input.
> >>> it calculates its own internally.
> >>> I changed them to be identified as normal UGens, instead of
> >>> PV_ChainUGen,
> >>> since they aren't.
> >>
> >> Ah sorry, I'd forgotten that! Is there a reason why actually?
> >
> > you do not need the windowing which is used in the FFT UGen...
> >
> > On the long term I'd also like to make a much more effiicient
> > version, based
> > on the BruteFIR algorithm. That however requires reordering of the
> > FFT data,
> > so it would not be usable for other FFT manipulations.
> > It would allow you to do a LOT more Convolutions though...
> >
> > sincerely,
> > Marije
> > _______________________________________________
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> > Sc-devel@xxxxxxxxxxxxxxx
> > http://www.create.ucsb.edu/mailman/listinfo/sc-devel
>
> ******************************************
> /* Joshua D. Parmenter
> http://www.realizedsound.net/josh/
>
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