Liu, Z;
Xu, Y;
Hsieh, FF;
(2020)
Coarticulation as Synchronised Sequential Target Approximation: An EMA Study.
In: Meng, H and Xu, B and Zheng, T, (eds.)
Proceedings of Interspeech 2020.
(pp. pp. 1381-1385).
International Speech Communication Association (ISCA): Shanghai, China.
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Abstract
In this study we tested the hypothesis that consonant and vowel articulations start at the same time at syllable onset [1]. Articulatory data was collected for Mandarin Chinese using Electromagnetic Articulography (EMA), which tracks flesh-point movements in time and space. Unlike the traditional velocity threshold method [2], we used a triplet method based on the minimal pair paradigm [3] that detects divergence points between contrastive pairs of C or V respectively, before comparing their relative timing. Results show that articulatory onsets of consonant and vowel in CV syllables do not differ significantly from each other, which is consistent with the CV synchrony hypothesis. At the same time, the results also show some evidence that articulators that are shared by both C and V are engaged in sequential articulation, i.e., approaching the V target after approaching the C target.
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