Laryngeal and aerodynamic management of consonantal voicing distinctions in men, women, and children.
Item
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Title
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Laryngeal and aerodynamic management of consonantal voicing distinctions in men, women, and children.
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Identifier
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AAI9820549
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identifier
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9820549
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Creator
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Koenig, Laura L.
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Contributor
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Adviser: Katherine S. Harris
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Date
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1998
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Language
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English
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Publisher
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City University of New York.
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Subject
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Health Sciences, Speech Pathology | Language, Linguistics
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Abstract
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Voiceless consonant production has traditionally been measured by means of voice onset time (VOT) and discussed in terms of interarticulator timing. More generally, however, voicing involves management of subglottal pressure and details of laryngeal setting, and many of these factors undergo developmental change. Mechanical and aerodynamic conditions at the glottis may therefore show considerable variation in normal populations as functions of age and/or sex. This study considers whether consonantal voicing control may vary across populations in ways consistent with known group differences in laryngeal and aerodynamic parameters. Intraoral pressure, oral airflow and acoustic signals were collected from English-speaking men, women and 5-year-old children producing voiceless stops and /h/, and measures were made of voice onset time, /h/ voicing and flow characteristics, subglottal pressure, and f0. Clear age and gender effects are observed for /h/: Fully-voiced /h/ is most common in men, and /h/ voicing break durations show the widest range of values among the 5-year-olds. Parallel trends are observed in the stop VOT data. This suggests that developmental change in VOT reflects, in part, mastery of voicing itself, and also that subtle differences in voicing behavior may exist between men and women. Correlations among /h/ voicing, flow, pressure and f0 performed across and within subjects reveal both group patterns and individual variation, providing further support for the hypothesis that speakers adopt individual strategies for achieving voicing distinctions in accord with the physical conditions defined by their production systems.
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Type
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dissertation
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Source
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PQT Legacy CUNY.xlsx
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degree
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Ph.D.
