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KMID : 1022420140060020141
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Phonetics and Speech Sciences
2014 Volume.6 No. 2 p.141 ~ p.151
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Initial-syllable lengthening of an utterance-internal phrase in Korean
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Yun Il-Sung
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Abstract
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This study reports anti-hierarchical initial-syllable lengthening of an utterance-internal phrase in Korean. That is, thephrase-initial syllable (e.g., /a/ of “apa-do” or /ma/ of “mapa-do”) starting with a voiced phoneme (i.e., vowels or voicedconsonants) manifests itself as significantly longer when it is preceded by another phrase without a pause than when it leadsan utterance or follows a pause utterance-internally. The phenomenon was examined with regard to two other factors: (1)tempo and (2) tenseness of the consonant (/p, p′, ph/) following the target syllable /a/. First, the effect of tempo on initiallengthening was not significant. Apart from the statistical significance, however, a tendency was observed, i.e., the slower thetempo is, the greater the lengthening. By contrast, the faster the tempo is, the higher the ratio (%) of lengthening. Second,contrary to our expectations, initial-syllable lengthening was even greater before tense stops /p′, ph/ than before lax stop /p/regardless of tempo, and it was remarkable when it comes to the ratio (%), which means that initial lengthening is free ofthe pre-consonantal vowel shortening effect. Final-syllable lengthening is a pre-boundary marker, while the initial-syllablelengthening is regarded as a post-boundary marker of a phrase.
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KEYWORD
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initial-syllable lengthening, voicing, pause, tempo, tenseness
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