[PD] good timestretching/pitch shifting in pd (was: Re: [PD] Multichannel Mixer)

derek at x-i.net derek at x-i.net
Tue Oct 7 19:08:38 CEST 2003


frank barknecht´s granulator object does a decent job. otherwise, there is the 
phase vocoder in the documentation, or you could build your own granulator (as 
i am currently busy with, but not quite finished with...) to do the job.

d.

Quoting Josh Steiner <josh at vitriolix.com>:

> darn... i was just about to query this list about timestretching algo's 
> that people had implemented in pd... but audionerd.com seems to be dead 
> (at least for me)
> 
> so, anyone know any patches implementing any good sounding timestretch 
> techniques A) in pd abstrations for realtime useage, and/or B) in VASP?
> 
> thanks!
> 
> -Josh
> 
> e skogen wrote:
> 
> >>> which allows to play multiple soundloops 
> >>
> >
> > There is a framework for looping sounds on http://www.audionerd.com 
> > called GYRE that you could use as a base. You can synchronize 6 loops 
> > with timestretch; each has a volume control. The patch should be clean 
> > enough that modifications are easy. For instance, adding more loops is 
> > a matter of instancing two more abstractions and duplicating part of 
> > the GUI (cut and paste, basically).
> >
> > As I've only tested it on Windows, I'd like to know if anyone with 
> > Linux or OSX is running it. As long as the required externals 
> > (cyclone, stripdir, arraysize, zexy, creb) are available on the 
> > platforms, I would expect it to work.
> >
> > --eric
> >
> >
> >
> >
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