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Developmental and gender-related trends of intra-talker variability in consonant production

Romeo, R; Hazan, V; Pettinato, M; (2013) Developmental and gender-related trends of intra-talker variability in consonant production. Journal of the Acoustical Society of America , 134 (5) pp. 3781-3792. /10.1121/1.4824160. Green open access

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Abstract

This study investigates the effect of age and gender on the internal structure, cross-category distance, and discriminability of phonemic categories for two contrasts varying in fricative place of articulation (/s/-/ʃ/) and stop voicing (/b/-/p/) in word-initial tokensspoken by adults and normally-developing children aged 9 to 14 years. Vast between- and within-talker variability was observed, with 16% of speakers of all ages exhibiting some degree of overlap between phonemic categories—a possible contribution to the range of talker intelligibility found in the literature. Females of all ages produced farther and thus more discriminable categories than males, though gender-marking for fricative between-category distance did not emerge until approximately 11 years of age. Children produced farther yet also much more dispersed categories than adults, with increasing discriminability with age, such that by age 13, children’s categories were no less discriminable than those of adults. However, children’s ages did not predict category distance or dispersion, indicating that convergence on adult-like category structure must occur later in adolescence.

Type: Article
Title: Developmental and gender-related trends of intra-talker variability in consonant production
Open access status: An open access version is available from UCL Discovery
DOI: /10.1121/1.4824160
Publisher version: http://dx.doi.org//10.1121/1.4824160
Language: English
Additional information: © 2013 Acoustical Society of America
Keywords: Speech development, Speech production
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Speech, Hearing and Phonetic Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1406228
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