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KMID : 0384019940050010022
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Journal of the Korean Society of Logopedics and Phoniatrics
1994 Volume.5 No. 1 p.22 ~ p.28
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An EMG Study of the Feature 'Tensity'(with reference to English and Korean)
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Abstract
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Previous studies reveal that in English there is to EMC evidence for the feature tense-lax distinction. The technique of electro-myography(EMC) was used to see if the existing claim holds true, particularly in unstressed syllable. It was found
that
in
unstressed syllable, the peak EMG amplitude from the orbicularis oris superior muscle was significantly greater in /p/ than in /b/, while in stressed syllable this difference was negligible. It was hypothesized that in stressed syllable, /p/ and
/b/ may
be differentiated by the EMG activities from a muscle other than the orbicularis oris superior superior muscle, e.g. the respiratory muscles relating to 'aspiration' or depressor anguli oris muscle. In Korean. There was a clear labial gestures
for
the
feature tense-lax distinction. The phoneme-sensitive manifestation of stress and some possible reasons for the inter-speaker variability in the data and the variability within a given speaker were discussed.
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KEYWORD
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