Praat 6.4 – Analyze, synthesize, and manipulate speech.

Praat is an application with which phoneticians can analyze, synthesize, and manipulate speech, and can create high-quality images for their articles and doctoral theses.

The source code may be downloaded here.

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.

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