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Developer(s) Paul Boersma and David Weenink, from the Institute of Phonetic Sciences - University of Amsterdam.
Initial release ?
Stable release 5.4.04 (December 28, 2014 (2014-12-28))
Written in C, C++
Operating system Windows, Linux, Macintosh, FreeBSD, Solaris
Available in English
Type Science software
License GNU GPL

Praat (the Dutch word for "talk" or "speak") is a free scientific computer software package for the analysis of speech in phonetics. It was designed, and continues to be developed, by Paul Boersma and David Weenink of the University of Amsterdam. It can run on a wide range of operating systems, including various versions of Unix, Linux, Mac and Microsoft Windows (95, 98, NT4, ME, 2000, XP, Vista, 7, 8). The program also supports speech synthesis, including articulatory synthesis.

Version history

Version Date Main
3.1 December 5, 1995
4.0 October 15, 2001
4.1 June 5, 2003 Mac OS X edition, More than 99 percent of the source code distributed under the General Public Licence.
5.0 December 10, 2007
5.1 January 31, 2009
5.2 October 29, 2010
5.3 October 15, 2011
5.4 October 4, 2014
5.4.04 December 28, 2014
6.0 October 28, 2015

External links

  • Praat: doing Phonetics by Computer — Official site
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