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논문 기본 정보

자료유형
학술저널
저자정보
Suyeon Im (Soongsil University)
저널정보
한국음성학회 말소리와 음성과학 말소리와 음성과학 제15권 제3호
발행연도
2023.9
수록면
1 - 7 (7page)

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초록· 키워드

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This study investigates how the phonological and phonetic information of vowels influences prosodic prominence among linguistically untrained listeners using public speech in American English. We first examined the speech material’s phonetic realization of vowels (i.e., maximum F0, F0 range, phone rate [as a measure of duration considering the speech rate of the utterance], and mean intensity). Results showed that the high vowels /i/ and /u/ likely had the highest max F0, while the low vowels /æ/ and /ɑ/ tended to have the highest mean intensity. Both high and low vowels had similarly high phone rates. Next, we examined the effects of the vowels’ phonological and phonetic information on listeners’ perceptions of prosodic prominence. The results showed that vowels significantly affected the likelihood of perceived prominence independent of acoustic cues. The high and low vowels affected probability of perceived prominence less than the mid vowels /ɛ/ and /ʌ/, although the former two were more likely to be phonetically enhanced in the speech than the latter. Overall, these results suggest that perceptions of prosodic prominence in English are not directly influenced by signal-driven factors (i.e., vowels’ acoustic information) but are mediated by expectation-driven factors (e.g., vowels’ phonological information).

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Abstract
1. Introduction
2. Method
3. Results and Discussion
4. Conclusion
References

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