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KMID : 1022420220140020055
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Phonetics and Speech Sciences
2022 Volume.14 No. 2 p.55 ~ p.65
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A preliminary study of acoustic measures in male musical theater students by laryngeal height
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Lee Kwang-Yong
Lee Seung-Jin
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Abstract
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This study aimed to compare acoustic measurements by the high, middle, and low laryngeal heights of male musical theater students. Furthermore, the correlation between the relative height of the larynx and the acoustic measurements was examined, along with the predictability of the relative height (vertical position) of the larynx from acoustic measurements. The participants included five male students majoring in musical theater singing, and acoustic analysis was performed by having them produce the /a/ vowel 10 times each at the laryngeal positions of high, middle, and low. The relative vertical positions of the laryngeal prominence in each position were measured based on the resting position. Results indicated that the relative position of the larynx varied significantly according to laryngeal height, such that as the larynx descended, the first three formant frequencies decreased while the spectral energy at the same frequencies increased. Formant frequencies showed a weak to moderate positive correlation with the relative height of the larynx, while the spectral energy showed a moderate negative correlation. The relative height of the larynx was predicted by eight acoustic measures (adjusted R2 = .829). In conclusion, the predictability of the relative height of the larynx was partially confirmed in a non-invasive manner.
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KEYWORD
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laryngeal height, acoustic analysis, musical theatre singing, voice
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