Justifications are provided for the stimulus design choices and constraints implemented in the script. A previous researcher identified the vocal offset, and each. 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. Praat was utilized to manually mark the vocal onset of the stop consonant by the current researcher. 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. Specifically, OC had significantly longer VOT (F(1,66) 4.196, p. This paper contains a thorough description of the "progressive cutback and replacement" method of VOT manipulation, and comparison with other VOT manipulation techniques. Results: Age was found to have a statistically significant effect on VOT and VOT variability. release of an oral stop and the onset of voicing (the voice onset time). Justifications are provided for the stimulus design choices and constraints implemented in the script.ĪB - Voice onset time (VOT) is an acoustic property of stop consonants that is commonly manipulated in studies of phonetic perception. Divide the waveform into intervals during which the vocal tract is closed (by a. 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. This paper contains a thorough description of the "progressive cutback and replacement" method of VOT manipulation, and comparison with other VOT manipulation techniques. N2 - Voice onset time (VOT) is an acoustic property of stop consonants that is commonly manipulated in studies of phonetic perception. T2 - A tutorial and flexible Praat script T1 - Manipulation of voice onset time in speech stimuli
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