[PD] table size limit

Kyle Klipowicz kyleklip at gmail.com
Mon May 29 18:06:41 CEST 2006


The phase vocoder _is_ real time (playback of a soundfile) in Miller's
example patch.  So Alexis probably wants to have instantaneous control
over the pitch/playback rate of a huge soundfile.

Alexis:  You can find the array maximum size allocation in the source
code and change it, then recompile Pd to get a larger array.  See this
thread ( http://lists.puredata.info/pipermail/pd-list/2003-04/011065.html
) for more details on how to do this.

~Kyle

On 5/29/06, Piotr Majdak <piotr at majdak.com> wrote:
> Roman Haefeli wrote:
>
> > the idea of the phase-locked vocoder is, that you can go through a
> > soundfile with variable speed, but constant pitch. since afaik there is
> > not possibility to read out a soundfile directly from harddisk with
> > variable speed, you won't come around using tables.
>
> @Roman: time stretching is one of many applications for the phase vocoder, see
> <http://en.wikipedia.org/wiki/Phase_vocoder>
>
> @Alexis: do you use the phase vocoder for time stretching purposes? You could
> use audacity <http://audacity.sourceforge.net/> to do it offline...
>
>
>
> br, Piotr
>
> --
> Piotr Majdak
> Institut für Schallforschung
> Österreichische Akademie der Wissenschaften
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> A-1010 Wien
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> E-Mail: piotr at majdak.com
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>
>
>
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