[PD] Pitch Shift

Andy Farnell padawan12 at obiwannabe.co.uk
Tue Aug 2 18:58:42 CEST 2011

Right now there's an interesting discussion
about pitch shifting algorithms on music-dsp.


On Tue, 2 Aug 2011 12:23:18 -0300
Alexandre Torres Porres <porres at gmail.com> wrote:

> Thanks for the answers, I've seen the G.09 into an abstraction around and
> thought that th rjdj version could be it.
> It's also on the pdmtl package right? In which there's also a shifter based
> on the phase vocoder, anyway, the idea was to ask for something new.
> Thanks for the psola version julian, didn't know it, but as frank pointed,
> it may not suit me as I tried it and I prefer the phase vocoder version.
> And Pierre, in the link you sent it warns that it works best for small
> deviations, which can actually be good for me in one specific application,
> but not much on another unfortunately. I will try it, thanks! Anyway, I made
> a quick google on Stephen M. Sprengler's pitch scaler design and found no
> info on what the procedure is like :(
> By the way, I found this very interesting webpage about a pitchshifter~
> object in Pd
> http://www.katjaas.nl/pitchshift/pitchshift.html
> But weirdly enough, I found no link to download it. By the fast look I gave
> it, it seemed to be an implementation based on the phase-vocoder process,
> right? But it also seems to differ in some way, could anyone tell me how
> exactly? And, well, most importantly, where is it???
> thanks
> Alex

Andy Farnell <padawan12 at obiwannabe.co.uk>

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