Phonetics and Speech Sciences (말소리와 음성과학)

Korean Society of Speech Sciences (한국음성학회)
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The effect of the Modified Voiced Lip Trill (MVoLT) training on vocal changes of musical theater students

응용 입술 트릴 훈련이 뮤지컬 전공 학생의 음성 변화에 미치는 효과

  • 이승진 (연세대학교 의과대학 이비인후과학교실 및 후두음성언어의학연구소) ;
  • 최홍식 (연세대학교 의과대학 이비인후과학교실 및 후두음성언어의학연구소) ;
  • 임재열 (연세대학교 의과대학 이비인후과학교실 및 후두음성언어의학연구소) ;
  • 이광용 (동국대학교)
  • Received : 2018.10.28
  • Accepted : 2018.12.05
  • Published : 2018.12.31
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Abstract

The Modified Voiced Lip Trill (MVoLT) training is a variant of voiced lip-till training characterized by increased loudness, lowered laryngeal position, and lip contact facilitated with fingers. The purpose of the current study was to assess the effect of the MVoLT training program on vocal changes of musical singing theater students. A total of 32 musical theater students (17 males and 15 females, age ranging from 18 to 29) participated in the study. For about three months, each participant was tutored using a systematic program focussing on the MVoLT training, accompanied by certain facilitating strategies. Pre- & post-training multi-dimensional vocal characteristics were assesed and compared. Results showed that cepstral peak prominence during vowel phonation increased after training, while its standard deviation and Cepstral Spectral Index of Dysphonia decreased. When an aerodynamic assessment was performed, maximum phonation time, subglottal pressure, mean airflow rate increased, while electroglottographic measures did not change. In addition, decreased psychometric measures, higher maximum pitch, and increased vocal range were noted after training. In conclusion, the MVoLT was proven to have a potential as an effective and safe training method for musical theater singing.

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References

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