Re: SV: PSOLA with complex envelopes?

Subject: Re: SV: PSOLA with complex envelopes?
From: Jean-Baptiste Thiebaut (
Date: Tue Sep 28 2004 - 04:06:00 EDT


I'm not able to help you myself, but maybe the Max/MSP list could help you.
Else, you could ask Paul Brossier, who was working on a linux version of
Csound last April. You may have a talk with him :



Le 28/09/04 8:55, « Andreas Bergsland » <> a
écrit :

> Hi!
> I am unfortunately not able to help you out, but I would like to pose the
> same question for Windows - I have also been missing the opportunity to
> expand the possibilities of PSOLA pitch/time shifting in Praat. Maybe there
> is somebody out there looking for a subject for their Masters thesis in
> signal processing? What about a making a PSOLA implementation in Csound or
> CLM?
> Andreas
> -----Opprinnelig melding-----
> Fra:
> []Pa vegne av Bret Battey
> Sendt: 26. september 2004 18:43
> Til:
> Emne: PSOLA with complex envelopes?
> Is anyone aware of software -- for Mac OSX, preferably -- that implements
> PSOLA (Pitch Synchronous Overlap Add) pitch/time shifting and also would
> allow control by importable, complex breakpoint envelopes? For example, if
> Csound or SuperCollider had a PSOLA objects, that would be work (but they
> don't, as far as I'm aware). I'm actually working in CLM, but it is probably
> worth it time wise if I have to export to another app rather than take the
> time to write a PSOLA algorithm in CLM.
> Praat has PSOLA and works quite nicely, but since it can't import breakpoint
> envelopes, it won't serve my needs.
> Thanks,
> Bret Battey
> ----------------------------------------------------------------------------
> Senior Lecturer: Music, Technology and Innovation
> De Montfort University, Leicester, UK

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