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Articulatory modelling of coronal stop contrasts in Wubuy

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Authors
Proctor, M.
Bundgaard-Nielsen, R.
Best, C.
Goldstein, L.
Kroos, Christian
Harvey, M.
Date
2010
Type
Conference Paper

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Proctor, M. and Bundgaard-Nielsen, R. and Best, C. and Goldstein, L. and Kroos, C. and Harvey, M. 2010. Articulatory modelling of coronal stop contrasts in Wubuy, in Marija Tabain, Janet Fletcher, David Grayden, John Hajek, Andy Butcher (ed), 13th Australasian International Conference on Speech Science and Technology, Dec 14 2010, pp. 90-93. Melbourne, Australia: Australasian Speech Science and Technology Association (ASSTA).
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Proceedings of the 13th Australasian International Conference on Speech Science and Technology
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13th Australasian International Conference on Speech Science and Technology
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Abstract

Like many Australian languages, Wubuy (aka Nunggubuyu) uses four contrastive coronal stops. The phonological basis of this contrast is not well understood, as it is not known to what extent phonological primitives are grounded in the phonetic domain. We introduce a preliminary gestural computational model of Wubuy phonology being developed as an extension of the Task Dynamics Application (TaDA: [1, 2]). Coronal stops are modeled as recurrent dynamic structures of coordinative tongue tip and tongue body gestures, contrasting in constriction degree and location. Articulatory kinematics produced by gestural models are qualitatively compared with EMA data obtained from a Wubuy speaker producing the same segments. The implications of these experiments for theories of phonological representation are discussed.