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

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Abstract

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.

Original languageEnglish (US)
Pages (from-to)852-866
Number of pages15
JournalJournal of the Acoustical Society of America
Volume147
Issue number2
DOIs
StatePublished - Feb 1 2020

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