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The phonetic basis of phonological vowel nasality: Evidence from real-time MRI velum movement in German

Carignan, C; Hoole, P; Kunay, E; Joseph, A; Voit, D; Frahm, J; Harrington, J; (2019) The phonetic basis of phonological vowel nasality: Evidence from real-time MRI velum movement in German. In: Calhoun, S and Escudero, P and Tabain, M and Warren, P, (eds.) Proceedings of the 19th International Congress of Phonetic Sciences, Melbourne. (pp. pp. 413-417). Australasian Speech Science and Technology Association Inc.: Canberra, Australia. Green open access

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Abstract

It has been suggested that the development of contrastive vowel nasality in VN sequences may depend partly on the nature of the following consonant. In particular, there may be a preference for VN sequences preceding voiceless oral consonants to be phonologized due to aerodynamic constraints on velum height, resulting in temporal overlap of the vowel with a durationally constant velum gesture. We investigate the phonetic basis of this claim via direct imaging of velum kinematics in real-time MRI videos (50 fps) from 35 German speakers. The results show that, while the velum gesture does indeed begin and end earlier in /Vnt/ than in /Vnd/ sequences, the duration of the gesture itself is also shorter in this context. This suggests that increased temporal co-articulation in /Vnt/ sequences is not necessarily due to durational maintenance of the velum gesture, but to a temporally truncated velum gesture that is shifted in time.

Type: Proceedings paper
Title: The phonetic basis of phonological vowel nasality: Evidence from real-time MRI velum movement in German
Event: The 19th International Congress of Phonetic Sciences, Melbourne
Location: Melbourne, Australia
Dates: 5th-9th August 2019
ISBN-13: 978-0-646-80069-1
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.internationalphoneticassociation.org/i...
Language: English
Additional information: © This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Australia License (http://creativecommons.org/licenses/by-nc-nd/3.0/au/).
Keywords: Vowel nasalization, velum kinematics, co-articulation, sound change, rtMRI, German
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/10081879
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