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KMID : 1022420220140030011
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Phonetics and Speech Sciences
2022 Volume.14 No. 3 p.11 ~ p.25
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External photoglottography, intra-oral air pressure, airflow and acoustic data on the Korean fricatives /s’, s/
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Kim Hyun-Soon
Shinji Maeda
Kiyoshi Honda
Lise Crevier-Buchman
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Abstract
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From simultaneous recordings of the external photoglottography, intra-oral air pressure (Pio), airflow and acoustic data from four native Seoul Korean speakers (2 male and 2 female), we have found that the two fricatives are not significantly different in glottal opening peak and airflow peak height either word-initially or word-medially and that the duration of aspiration is significantly reduced in word-medial /s/, compared to those in word-initial /s/, not in /s’/. We have also found that the duration of a high Pio plateau is significantly longer in /s/ than in /s’/ both word-initially and word-medially and that airflow resistance (R=Pio/U) at the onset and offset of a Pio plateau and at the time of airflow peak height is significantly higher in /s’/ than in /s/ across the contexts. However, the differences in Pio peak and F0 are not significant. In addition, the transition time to reach airflow peak height from the offset of a Pio plateau is found to be significantly longer in /s/ than /s’/ in both word-initial and word-medial positions. No significant differences in glottal opening peak and airflow peak height confirm that /s/ is specified as [?spread glottis] like /s’/. As for the other significant differences, we propose that /s/ is [?tense], and /s’/ [+tense].
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KEYWORD
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aerodynamic and acoustic data, external photoglottography, Korean fricatives /s’, s/, [±s.g.] and [±tense]
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Listed journal information
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