[Speex-dev] Pitch Shift

[Jean-Marc Valin]

>    Since Speex codec is based on CELP technology,  so if we change the
> pitch intentionally  when encoding/decoding spx files, can we get the
> Pitch Shifting effect without speech formant changed?

With a 1-line hack in the decoder, you can indeed create a pitch
shifter. However, expect the results not to be as good as for a
"real" (originally designed for that) pitch shifter.

	Jean-Marc

-- 
Jean-Marc Valin <Jean-Marc.Valin at USherbrooke.ca>
Université de Sherbrooke