영어단어의 제1강세와 제2강세의 음향적 상관성
Acoustic Correlations between Primary and Secondary Stress in English Words
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This study described strengthening differences between primary and secondary stress in English words according to the number of syllables among acoustic parameters such as vowel duration, intensity, and F0 produced by 12 Korean speakers and 18 American speakers from the Buckeye Corpus of Conversational Speech. Also, this study analyzed phonetic correlation between F1 and F2. The acoustical analysis to measure acoustic parameters was conducted through Praat. The post hoc test with ANOVA was conducted for statistical evaluation on these measures using SPSS 18. This study mainly suggested four interesting findings: First, in both accented and unaccented syllables, the position of primary and secondary stress significantly influences vowel duration and intensity. Second, American speakers rely crucially on vowel duration, and weakly on F0, while the Korean speakers make reference to F0 in the distinction between primary and secondary stress in English. Third, unstressed vowels produced by American speakers are weaken or deleted. Lastly, F2 values of the unstressed vowels by Korean speakers are higher and F1 values are lower than those of American speakers.
Abstract
This study described strengthening differences between primary and secondary stress in English words according to the number of syllables among acoustic parameters such as vowel duration, intensity, and F0 produced by 12 Korean speakers and 18 American speakers from the Buckeye Corpus of Conversational Speech. Also, this study analyzed phonetic correlation between F1 and F2. The acoustical analysis to measure acoustic parameters was conducted through Praat. The post hoc test with ANOVA was conducted for statistical evaluation on these measures using SPSS 18. This study mainly suggested four interesting findings: First, in both accented and unaccented syllables, the position of primary and secondary stress significantly influences vowel duration and intensity. Second, American speakers rely crucially on vowel duration, and weakly on F0, while the Korean speakers make reference to F0 in the distinction between primary and secondary stress in English. Third, unstressed vowels produced by American speakers are weaken or deleted. Lastly, F2 values of the unstressed vowels by Korean speakers are higher and F1 values are lower than those of American speakers.
참고문헌 (23)
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