Praat

Praat
Developer(s)	Paul Boersma and David Weenink
Initial release	1991
Stable release	6.0.55 (13 June 2019; 5 years ago) [±]
Written in	C, C++, Objective-C
Operating system	Windows, Linux, Macintosh, FreeBSD, Solaris
Available in	English
Type	Free software
License	GPL-3.0-or-later
Website	www.praat.org

Short description: Open source speech analysis software

Praat (/prɑːt/; Dutch: [praːt] (listen), "talk") is a free computer software package for speech analysis in phonetics.^[3] 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 (2000, XP, Vista, 7, 8, 10). The program supports speech synthesis, including articulatory synthesis. Its logo depicts a mouth over an ear.^[4]

Version history

Praat icon until 2020

Version	Date	Main
3.1	5 December 1995
4.0	15 October 2001
4.1	5 June 2003	Mac OS X edition, More than 99 percent of the source code distributed under the General Public Licence.
5.0	10 December 2007
5.1	31 January 2009
5.2	29 October 2010
5.3	15 October 2011
5.4	4 October 2014
6.0	28 October 2015
6.1	13 July 2019
6.2	15 November 2021