Because the o stands for overlap. https://ieeexplore.ieee.org/document/319366. I'm not specifically familiar with wsola, but if it's like the other overlap-add techniques then starting with some overlap and modifying that relationship is the fundamental way to change the sound.
Wikipedia has a decent article on pitch timescale modifications. https://en.m.wikipedia.org/wiki/Audio_time_stretching_and_pitch_scaling Stefan On Sat, Oct 13, 2018, 07:41 Alex Dashevski <alexd...@gmail.com> wrote: > Hi, > > Could you explain why we need an overlap parameter in the WSOLA ? How can > I find optimal values ? What effect will I get if I use bigger or smaller > value ? > > Thanks, > Alex > _______________________________________________ > dupswapdrop: music-dsp mailing list > music-dsp@music.columbia.edu > https://lists.columbia.edu/mailman/listinfo/music-dsp
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