According to its authors, Praat Speech Analyser is “doing phonetics by computer”. Through its graphical interface, several speech analysis functionalities are available: spectrograms, cochleograms, and pitch and formant extraction.
Articulatory synthesis, as well as synthesis from pitch, formant, and intensity are also available.
Praat is configurable and extensible through its own scripting language and has provisions for communicating with other programs.
- Labelling using the phonetic alphabet.
- Computation of statistics.
- Generate waveforms.
- Wide and narrow band spectrogram.
- Pitch tracks (as with WASP).
- Play a recorded sound in reverse.
- Process a speech signal by filtering it (as with SFS: high-pass, low-pass, band-pass, band-stop).
- Enhance certain frequency regions; segment and label words, syllables, or individual phonemes.
- Show an intensity contour.
- Put work in graphic form for printing including Encapsulated PostScript files with integrated mathematical and phonetic symbols.
- Extract individual sounds for further analysis.
- Learning algorithms.
- Measure voice onset time (VOT).
- Multidimensional scaling.
- Principal component analysis.
- Discriminant analysis.
Developer: The Orca Team
License: GNU General Public License v2.0
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