10th Annual Conference of the International Speech Communication Association

Brighton, United Kingdom
September 6-10, 2009

The KlattGrid Speech Synthesizer

David Weenink

University of Amsterdam, The Netherlands

We present a new speech synthesizer class, named KlattGrid, for the Praat program [3]. This synthesizer is based on the original description of Klatt [1, 2]. New aspects of a KlattGrid in comparison with other Klatt-type synthesizers are that a KlattGrid


  1. Klatt, D.H. and Klatt, L.C., “Analysis, synthesis, and perception of voice quality variations among female and male talkers”, J. Acoust. Soc. Am., 87:820–857, 1990.
  2. Klatt, D.H.,“Software for a cascade/parallel formant synthesizer”, J. Acoust. Soc. Am. 67:971–995, 1980.
  3. Boersma, P. and Weenink, D., “Praat: doing phonetics by computer (Version 5.1.07), [Computer program]”,, 2009.

Full Paper

Bibliographic reference.  Weenink, David (2009): "The klattgrid speech synthesizer", In INTERSPEECH-2009, 2059-2062.