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The development of clear speech strategies in 9-14 year olds

Pettinato, M; Hazan, V; (2013) The development of clear speech strategies in 9-14 year olds. In: Proceedings of Meetings on Acoustics. (pp. 060121). Acoustical Society of America Green open access

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Abstract

This study investigated the development of global clear speech strategies of child talkers. Two groups of 20 talkers aged 9-10 (children) and 13-14 (teens) were recorded in pairs while they carried out spot the difference picture tasks, either hearing each other normally (NB condition) or with one talker hearing the other via a three-channel noise vocoder (VOC condition). Acoustic-phonetic analyses focused on the talker having to overcome the communication barrier. Data were compared to those for 20 of the adults in Hazan and Baker (2011) [J.Acoust.Soc, Am, 130, 2139-2152]. The three age groups did not differ in task transaction time for NB, but children took significantly longer to complete the task in VOC than teens or adults who took equally long. Children spoke at a slower speech rate overall than teens, while teens and adults did not differ; all groups significantly reduced their speech rate in VOC relative to NB. Adults hyperarticulated vowels in VOC but children and teens showed only minor adaptations. These results suggest that although 9-10 year olds use some strategies to clarify their speech in difficult conditions, other strategies continue to develop into late adolescence.

Type: Proceedings paper
Title: The development of clear speech strategies in 9-14 year olds
Event: 21st international conference on Acoustics
Location: Montreal, Canada
Dates: 2013-06-02 - 2013-06-07
Open access status: An open access version is available from UCL Discovery
DOI: 10.1121/1.4800597
Publisher version: http://dx.doi.org/10.1121/1.4800597
Language: English
Additional information: © 2013 Acoustical Society of America
Keywords: Speech development, Speech production
UCL classification: 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/1393487
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