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Re: normalizing pitch in human speech

Dear Mathias,

You might probably be interested by STRAIGHT (http://www.wakayama-u.ac.jp/~kawahara/STRAIGHTadv/index_e.html) or Praat (http://www.fon.hum.uva.nl/praat/).


Mathias Oechslin wrote:
Dear List,

We like to produce speech stimuli which are characterized by normalized pitch hight - so called flattened speech. That means, finally the speech signal does not contain pitch changes anymore, but remains easy understandable.

I imagine that the allorythm has to do FFT, definition of the normalized pitch, afterwards resynthesis.

Does anyone has any experience with this?

thanx for all ideas,




Mathias Oechslin, lic. phil.


Lehrstuhl fÃr Neuropsychologie

Psychologisches Institut

UniversitÃt ZÃrich

Telefon: +41 44 635 74 07

Fax    : +41 44 635 74 09




Etienne Gaudrain
Centre for the Neural Basis of Hearing
Department of Physiology, Development and Neuroscience
University of Cambridge
Downing Street
Cambridge CB2 3EG
Phone: +44 (1223) 333 859 office
Fax: +44 (1223) 333 840 department