Praat is a speech analysis tool used for doing phonetics by computer. Praat can analyse, synthesize, and manipulate speech, and create high-quality pictures for your publications. Praat was created by Paul Boersma and David Weenink of the Institute of Phonetics Sciences of the University of Amsterdam.
Some of Praat’s most prominent features are:
6.416 Nov 2023 03:15
New pitch analysis methods: @@Sound: To Pitch (filtered ac)...@ and.
@@Sound: To Pitch (filtered cc)...@.
@@Sound: To Pitch (filtered ac)...@ has become the preferred method for.
Measuring vocal-fold vibration and intonation (@@Sound: To Pitch (raw cc)...@
is still the preferred method for voice analysis).
See @@How to choose a pitch analysis method@.
6.3.2025 Oct 2023 06:45
SpeechSynthesizer and automatic alignment in TextGridEditor: worked around a introduced in 6.3.18 that caused incorrect rendering of phonemes consisting
of four UTF-8 bytes (such as /ɔː/).
SpeechSynthesizer and automatic alignment in TextGridEditor: worked around a very.
Old that deleted word-final /l/ in Dutch and English.
6.3.1921 Oct 2023 07:05
MacOS: resolved a crash when Praat started up on macOS 12 or older.
(worked around a in the Xcode linker that comes with macOS 14 Sonoma).
6.3.1819 Sep 2023 03:15
@SpeechSynthesizer: included the new version of eSpeak (development 1.52), which has 133 languages.
@@Add to menu...@: you can now add separators, headers and indented submenus to menus in editor windows.
6.3.1711 Sep 2023 03:15
SoundEditor: three Paste options, namely ##Paste before selection# (Shift-Command-V).
##Paste over selection# (Option-Command-V), and the already existing ##Paste after selection#.
All editor windows: extended the old single-level Undo and Redo
to a ten-level Undo and Redo.
Scripting: the new @`runSystem ` and @`runSubprocess ` return the output
of the system command or subprocess.
Scripting: @`runSystem`, @`runSystem `, @`runSubprocess` and @`runSubprocess `.
Report any error messages generated by the system command or subprocess.
PointEditor (pulses): settable ##Period floor#, ##Period ceiling#.
##Maximum period factor# and ##Maximum amplitude factor#, for jitter and shimmer measurements.
6.3.1630 Aug 2023 03:15
Sound analysis areas: better visible contrast in intensity curve (green on lime).
Windows: repaired a introduced in 6.3.10 (as a result of the repair mentioned there)
by which the Demo window would be insensitive to arrow keys.
SpeechSynthesizer: repaired a that caused ##Get phonemes from text...#
to return empty text.
Repaired a that caused Praat to crash when you supplied 0.
For the channel number in @@Sound: Get nearest zero crossing...@.
6.3.1524 Aug 2023 07:25
SpeechSynthesizer: improvements in ##Get phonemes from text...#.
Scripting: @`part#`, @`part##`, @`selected #`.
6.3.1301 Aug 2023 06:05
Repaired a introduced in 6.3.12 by which a link to a file wasn t found in external manual pages.
6.3.1226 Jul 2023 16:46
Improvements in manual, including corrections on layout problems introduced in version 6.3.11.