PRAAT - Stanford University(PRAAT斯坦福大学).pdf

PRAAT - Stanford University(PRAAT斯坦福大学).pdf

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PRAAT - Stanford University(PRAAT斯坦福大学)

PRAAT Short Tutorial A basic introduction Pascal van Lieshout, Ph.D. University of Toronto, Graduate Department of Speech- Language Pathology, Faculty of Medicine, Oral Dynamics Lab V. 4.2.1, October 7, 2003 (PRAAT 4.1.x) PRAAT VARIATIONS 1 PRAAT Short Tutorial Pascal van Lieshout, Ph.D. University of Toronto, Graduate Department of Speech-Language Pathology, Faculty of Medicine, Oral Dynamics Lab (ODL) A. Introduction This tutorial provides an introduction to some of the basic procedures in the program PRAAT. This is a freeware program for the analysis and reconstruction of acoustic speech signals. The software can be downloaded from the following website: http://www.fon.hum.uva.nl/praat/. This page also includes a PRAAT beginner’s manual written by Sidney Wood. PRAAT can be used on different operating systems (see PRAAT website for more information), but this tutorial is based on Windows 2000 OS. PRAAT is a very flexible tool to do speech analysis. It offers a wide range of standard and non-standard procedures, including spectrographic analysis, articulatory synthesis, and neural networks. This tutorial specifically targets clinicians in the field of communication disorders who want to learn more about the use of PRAAT as part of an acoustic evaluation of speech and voice samples. The following topics will be covered: 1. Finding information in the Manual 2. Create a speech object 3. Process a signal 4. Label a waveform 5. General analysis (waveform, intensity, sonogram, pitch, duration) 6. Spectrographic analysis 7. Intensity analysis 8. P

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