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KMID : 0917520020090040175
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Journal of Speech Sciences
2002 Volume.9 No. 4 p.175 ~ p.185
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A Durational Study of Vowels Followed by Voiced or Voiceless Consonants
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Shin Hey-Jung
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Abstract
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The purpose of thisstudy was to investigate the acoustic durations of Korean vowels followed by either voiced or voiceless consonants. Six healthy adult speakers (2 females and 4 males) recorded nonsense syllables in which voiced (/v, d, g/) or voiceless (/p´, t´, k´, p^h, t^h, k^h) consonants follow three different vowels (/i, a, u/) embedded in a carrier phrase. Results showed that vowels preceding voiced consonants (e.g., haba) were significantly longer in duration than those preceding voiceless consonants (e.g., hip´a or hip^ha). Also vowels were longer in duration when occurring before velar-stops than before bilabial-stop and dental-stops. Finally, the duration of the low vowel (/a/) was substantially longer than that of the high vowels (/i, u/). These findings may be applicable to speech synthesis or therapy.
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