音声研究
Online ISSN : 2189-5961
Print ISSN : 1342-8675
特集「フィラー研究の進展」
フィラーと通常語彙項目における母音声質の比較
Kikuo MaekawaHiroki Mori
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2017 年 21 巻 3 号 p. 53-62

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Acoustic differences between the vowels in filled pauses and ordinary lexical items such as nouns were examined to know if there was systematic difference of voice quality. Statistical test of material from the CSJ-Core showed that, in most cases, there was significant difference of acoustic features including F0, F1, F2, intensity, jitter, shimmer, spectral tilt, H1-A3, and duration between the two vowel classes. Random forests analysis revealed that, on average, F-value of about 0.8 could be obtained based on open data. In addition to duration, intensity, F0, and F1 were the most important for the classification, and jitter and H1-related indices made a secondary contribution.

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© 2017 日本音声学会
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