[linux-audio-user] extreme time stretching
Eric Dantan Rzewnicki
rzewnickie at rfa.org
Mon Mar 15 17:13:13 EST 2004
On Mon, Mar 15, 2004 at 09:48:05PM +0000, Steve Harris wrote:
> On Mon, Mar 15, 2004 at 10:21:00 +0100, Frank Barknecht wrote:
> > Hallo,
> > Erik de Castro Lopo hat gesagt: // Erik de Castro Lopo wrote:
> > > On Mon, 15 Mar 2004 15:21:01 -0500
> > > Eric Dantan Rzewnicki <rzewnickie at rfa.org> wrote:
> > > > For the purposes of time stretching or
> > > > compressing sound, how does it compare to the way Erik's SRC or
> > > > SoundTouch work?
> > >
> > > SoundTouch is a true pithc independant time stretcher.
> > I think, Soundtouch uses a Fourier-based approach. Granular synthesis
> > isn't really the best method of clean time stretching, I just
> > mentioned it as one example of a technique, that can be used to do
> > extreme streches.
> Soundtouch uses WSOLA, which is similar to granular synthesis, its not
> fequency domain like FFT or wavelets.
> - Steve
Waveform Similarity Overlap Add?
(not that i can claim to understand that picture ... :-/ )
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