Since Praat works solely with audio files, it’s appropriate that it offers you the means to convert files into different formats or enhance certain characteristics that they have. With it, it’s possible to export a loaded audio file into WAV, AIFF, AIFC, NIST or FLAC format, as well as to a raw 16, 24 or 32-bit raw endian file.

Praat x64 (also the Dutch word for "talk") is a free scientific software program for the analysis of speech in phonetics. It has been designed and continuously developed by Paul Boersma and David Weenink of the University of Amsterdam. It can run on a wide range of operating systems, including various Unix versions, Mac and Microsoft Windows (95, 98, NT4, ME, 2000, XP, Vista). The program also supports speech synthesis, including articulatory synthesis. To create a short list of what this implies, Praat enables you to perform spectral, pitch, formant and intensity analysis, as well as study jitter, shimmer and voice breaks. Praat is designed for those who are at least familiar with how a soundwave looks and how it can be processed, although, if this is not the case, the application supplies rich and elaborate documentation which you can study.

Since Praat works solely with audio files, it’s appropriate that it offers you the means to convert files into different formats or enhance certain characteristics that they have. With it, it’s possible to export a loaded audio file into WAV, AIFF, AIFC, NIST or FLAC format, as well as to a raw 16, 24 or 32-bit raw endian file.

FEATURES:

Speech analysis:
· spectral analysis (spectrograms)
· pitch analysis
· formant analysis
· intensity analysis
· jitter, shimmer, voice breaks
· cochleagram
· excitation pattern
Speech synthesis:
· from pitch, formant, and intensity
· articulatory synthesis
Listening experiments:
· identification and discrimination tests
Labelling and segmentation:
· label intervals and time points on multiple tiers
· use phonetic alphabet
· use sound files up to 2 gigabytes (3 hours)
Speech manipulation:
· change pitch and duration contours
· filtering
Learning algorithms:
· feedforward neural networks
· discrete and stochastic Optimality Theory
Statistics:
· multidimensional scaling
· principal component analysis
· discriminant analysis
Graphics:
· high quality for your articles and thesis
· produce Encapsulated PostScript files
· integrated mathematical and phonetic symbols
Programmability:
· easy programmable scripting language
· communicate with other programs
· (the sendpraat source code)
· create hypertext manuals with sound I/O
Portability:
· machine-independent binary files
· read and write many sound and other file types
Configurability:
· grow or shrink menus
· save prefs for fonts, views, sound devices.

New Release
Manual updates, speed, more tests.
Scripting: rowSums#, columnSums#; randomGauss## finally with four arguments.
[ Praat x64 release history ]

Hyperlink code:
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