Re: pitch shifting with grain synthesis

[Stefan Westerfeld <stefan space twc de>]

   Hi!

On Tue, Nov 28, 2006 at 10:55:22AM +0100, Hanno wrote:
> http://de.wikipedia.org/wiki/Granularsynthese
> 
> Everywhere you hear pitch shifting, its usually done with grain synthesis. But 
> I think, you know that already. I know Stefan is working on this one. Hope 
> we'll get a demo of that in the near future, Stefan?

I don't know if pitch shifting is really a "near future" thing. Its
true that I have written some pitch shifting code for arts, there is
mine, and a contributed fft based version, code is here:

http://websvn.kde.org/tags/KDE/3.5.5/kdemultimedia/arts/modules/synth/
 -> synth_pitch_shift_impl.cc
 -> synth_pitch_shift_fft_impl.cc

They could be used as base for a beast version. But right now, the
remaining issues for the 0.7.1 release of beast are my top priority.
And after 0.7.1, there are a few changes that I have already started
working on - like the JACK driver - where only some stuff remains to be
done. I think its better to finish these before filling my mind with the
necessary theory for pitch shifting.

   Cu... Stefan
-- 
Stefan Westerfeld, Hamburg/Germany, http://space.twc.de/~stefan