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6 - Infant Acquisition of Speech and Voice Quality

Published online by Cambridge University Press:  21 June 2019

John H. Esling
Affiliation:
University of Victoria, British Columbia
Scott R. Moisik
Affiliation:
Nanyang Technological University, Singapore
Allison Benner
Affiliation:
University of Victoria, British Columbia
Lise Crevier-Buchman
Affiliation:
Centre National de la Recherche Scientifique (CNRS), Paris
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Summary

Chapter 6 investigates the earliest steps of how infants acquire the phonetic capacity to speak. It is relevant to voice quality that infants begin life with laryngeally constricted qualities, based on which they develop elaborated oral articulations with laryngeal quality as background. Ontogenetically, speech begins with the laryngeal articulator. New drawings illustrate the infant vocal tract (vs. the adult vocal tract). The companion website contains over 100 audio files of phonetic stages during the first year of life, comparing articulatory development in English with Tibeto-Burman Bái. The LAM provides the basis for understanding the distribution of non-syllabic and syllabic utterances, focusing on intermediate ‘mixed’ utterances. During the first several months of life, infants parse phonetic possibilities, refining the identity of potential individual sounds against the emerging backgrounds of long-term laryngeal qualities. Laryngeal voice quality reflects a complex interaction between the developing physiology of the infant vocal tract and the innate disposition to engage in vocal exploration, playing a crucial role in speech development.

Type
Chapter
Information
Voice Quality
The Laryngeal Articulator Model
, pp. 185 - 204
Publisher: Cambridge University Press
Print publication year: 2019

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