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EPG characteristics of velar stops in normal adult English speakers

By Marko Liker and Fiona Gibbon

Abstract

This study aimed to determine the main\ud characteristics of normal tongue palate patterns for\ud velar stops. EPG data from the EUR-ACCOR\ud database were analysed for nonsense VCV\ud sequences containing /k/ in nine vowel contexts for\ud seven English speaking adults. Incomplete EPG\ud closure across the palate for /k/ occurred in 19%\ud (range 4%-41%) of utterances with the most\ud number of incomplete closures in /aka/ and the\ud least in /uki/. As predicted, place of articulation\ud was dependant on vowel context. The most fronted\ud was the velar occlusion in /iki/ and the most\ud retracted in /aka/. In terms of amount of contact,\ud /k/ in /iki/ environment had almost twice as much\ud tongue palate contact compared to /aka/ in all\ud speakers (mean 42% for /iki/ compared to 22% for\ud /aka/). There was considerable interspeaker\ud variability in all variables. The implications of the\ud results for diagnosing and treating speech disorders\ud are discussed

Topics: RC
OAI identifier: oai:eresearch.qmu.ac.uk:31

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