[PD] pv/fft based realtime pitch shifter

[Orm Finnendahl]

thanks for the notes/links. I made the granular counterparts a long
time ago (~20 years) so it might be interesting to see whether things
have changed. Concerning delread4~: Can you send me links/information
about what was wrong?

--
Orm


Am Sonntag, den 24. Dezember 2023 um 01:44:09 Uhr (-0300) schrieb Alexandre Torres Porres:
> I see your example is based on an example from an older version of Pd. In
> Pd 0.54 I have updated the examples to just use [s~]/[r~] instead of
> [tabsend~]/[tabreceive~]. Use the latest version for a bug free [delread4~]
> please.
> 
> btw, my live electronics tutorial has examples that show how to do these
> kinds of things and there's an example which is solely for pitch shifting,
> if you want just that and no time stretch/compress.
> 
> See
> Part.09-Spectral.Processing/34-Advanced/3.Phase.Vocoder/1.TimeStretch-PitchShift/
> *3.Ring-Buffer-Pitch.Shift.pd*
> 
> I haven't updated my examples yet to just use [s~]/[r~] instead of
> [tabsend~]/[tabreceive~], will do it soon , but here's a screenshot
> 
> [image: Screen Shot 2023-12-24 at 01.43.02.png]
> 
> 
> cheers
> 
> Em dom., 24 de dez. de 2023 às 01:29, Alexandre Torres Porres <
> porres at gmail.com> escreveu:
> 
> > Hi, there's [else/pvoc.live~] which is a fft/phase-vocoder based real time
> > pitch shifter and time stretcher. It's also based in Miller's phase vocoder
> > example. It uses a delay line but I use the [del~] object from ELSE instead
> > of [delread4~] (I prefer to use the new name instead of the old [vd~] one).
> > At the time I had to use this object from ELSE instead because [delread4~]
> > had a bug that got fixed this year.
> >
> > There's also [else/stretch.shift~], which is granular based but it's quite
> > the same, just not FFT based, and I also like to interpret FFT as a form of
> > granular by the way.
> >
> > Cheers and happy holidays
> >
> > Em sáb., 23 de dez. de 2023 às 10:47, Orm Finnendahl <
> > orm.finnendahl at selma.hfmdk-frankfurt.de> escreveu:
> >
> >> Hi,
> >>
> >>  as I couldn't find examples for a working fft/phase-vocoder based
> >> realtime pitch shifter for pd online, I made one based on the
> >> I07.phase.vocoder example of Miller Puckette, replacing the tabread4~
> >> with a vd~.
> >>
> >> I attach it, as some might have a use for it.
> >>
> >> Happy Holidays to everybody!
> >>
> >> --
> >> Orm
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> >




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