Manipulation of voice onset time in speech stimuli: A tutorial and flexible Praat script | Zendy

Matthew B. Winn | Zendy

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Manipulation of voice onset time in speech stimuli: A tutorial and flexible Praat script

Author(s) -

Matthew B. Winn

Publication year - 2020

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/10.0000692

Subject(s) - voice onset time , formant , perception , computer science , scripting language , speech recognition , stimulus (psychology) , speech perception , acoustics , voice , psychology , vowel , cognitive psychology , physics , neuroscience , operating system

Voice onset time (VOT) is an acoustic property of stop consonants that is commonly manipulated in studies of phonetic perception. This paper contains a thorough description of the "progressive cutback and replacement" method of VOT manipulation, and comparison with other VOT manipulation techniques. Other acoustic properties that covary with VOT-such as fundamental frequency and formant transitions-are also discussed, along with considerations for testing VOT perception and its relationship to various other measures of auditory temporal or spectral processing. An implementation of the progressive cutback and replacement method in the Praat scripting language is presented, which is suitable for modifying natural speech for perceptual experiments involving VOT and/or related covarying F0 and intensity cues. Justifications are provided for the stimulus design choices and constraints implemented in the script.

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