영어 무성 마찰음의 음향 및 스펙트럼 특성에 관한 연구
Acoustic and Spectral Characteristics of English Voiceless Fricatives
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This study examines the spectral characteristics of English voiceless fricatives depending on not only the manner and place of articulation, gender, age, the post-fricative vowel height, but also the location in a word based on the Buckeye Corpus of Spontaneous American English Speech. The results of the acoustic analysis indicate that fricative duration, center of gravity(COG), variance and skewness play a role in distinguishing all places of English voiceless fricative articulation, in spite of variation in gender, age, the location in a word and the post-fricative vowel height. These acoustic parameters distinguished the sibilant /s, ʃ/ from the nonsibilant fricatives /f, Ɵ/, and alveolar /s/ from palate-alveolar /ʃ/, labiodental /f/ from interdental /Ɵ/: fricative duration, COG and variance of the sibilant fricatives were significantly longer/higher than those of the nonsibilant fricatives. Skewness was high for the nonsibilant fricatives and low for the sibilants.
Abstract
This study examines the spectral characteristics of English voiceless fricatives depending on not only the manner and place of articulation, gender, age, the post-fricative vowel height, but also the location in a word based on the Buckeye Corpus of Spontaneous American English Speech. The results of the acoustic analysis indicate that fricative duration, center of gravity(COG), variance and skewness play a role in distinguishing all places of English voiceless fricative articulation, in spite of variation in gender, age, the location in a word and the post-fricative vowel height. These acoustic parameters distinguished the sibilant /s, ʃ/ from the nonsibilant fricatives /f, Ɵ/, and alveolar /s/ from palate-alveolar /ʃ/, labiodental /f/ from interdental /Ɵ/: fricative duration, COG and variance of the sibilant fricatives were significantly longer/higher than those of the nonsibilant fricatives. Skewness was high for the nonsibilant fricatives and low for the sibilants.
참고문헌 (13)
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