Voice Onset Time in Speech Produced During Simultaneous Communication This study investigated speaking rate and voice onset time (VOT) in speech produced during simultaneous communication (SC) by speakers with normal hearing. Stimulus words initiated with voiced and voiceless plosives were embedded in a sentence that was spoken and produced with SC. VOT measures were calculated from acoustic recordings and ... Research Article
Research Article  |   June 01, 1996
Voice Onset Time in Speech Produced During Simultaneous Communication
 
Author Affiliations & Notes
  • Nicholas Schiavetti
    State University of New York, Geneseo
  • Robert L. Whitehead
    National Technical Institute for the Deaf, Rochester, NY
  • Dale Evan Metz
    State University of New York, Geneseo
  • Brenda Whitehead
    National Technical Institute for the Deaf, Rochester, NY
  • Megan Mignerey
    State University of New York, Geneseo
  • Contact author: Nicholas Schiavetti, PhD, Department of Communicative Disorders and Sciences, State University of New York, 1 College Circle, 218 Sturges Hall, Geneseo, NY 14454.
    Contact author: Nicholas Schiavetti, PhD, Department of Communicative Disorders and Sciences, State University of New York, 1 College Circle, 218 Sturges Hall, Geneseo, NY 14454.×
Article Information
Speech, Voice & Prosody / Speech / Research Articles
Research Article   |   June 01, 1996
Voice Onset Time in Speech Produced During Simultaneous Communication
Journal of Speech, Language, and Hearing Research, June 1996, Vol. 39, 565-572. doi:10.1044/jshr.3903.565
History: Received June 19, 1995 , Accepted November 21, 1995
 
Journal of Speech, Language, and Hearing Research, June 1996, Vol. 39, 565-572. doi:10.1044/jshr.3903.565
History: Received June 19, 1995; Accepted November 21, 1995

This study investigated speaking rate and voice onset time (VOT) in speech produced during simultaneous communication (SC) by speakers with normal hearing. Stimulus words initiated with voiced and voiceless plosives were embedded in a sentence that was spoken and produced with SC. VOT measures were calculated from acoustic recordings and results indicated significant differences between speech-only and SC conditions, with speech produced during SC demonstrating both slower speaking rate and increased VOT of voiceless consonants. VOTs produced during both SC and speech-only conditions followed English voicing rules and varied appropriately with place of articulation. The somewhat enlarged voicing contrast during SC was consistent with previous findings regarding the influence of rate changes on the temporal fine structure of speech (Miller, 1987) and was similar to the voicing contrast results reported for clear speech by Picheny, Durlach, and Braida (1986).

Acknowledgment
A portion of this research was conducted at the National Technical Institute for the Deaf in the course of an agreement between the Rochester Institute of Technology and the United States Department of Education.
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