Phonetics and Speech Sciences (말소리와 음성과학)

Korean Society of Speech Sciences (한국음성학회)
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Aerodynamic Characteristics of Whispered and Normal Speech during Reading Paragraph Tasks

문단낭독 시 속삭임 발화와 정상 발화의 공기역학적 특성

  • 표화영 (조선대학교 보건과학대학 언어치료학과)
  • Received : 2014.08.18
  • Accepted : 2014.09.04
  • Published : 2014.09.30
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Abstract

The present study was performed to investigate and discuss the aerodynamic characteristics of whispered and normal speech during reading paragraph tasks. 39 normal females(18-23 yrs.) read 'Autumn' paragraph with whispered and normal phonation. Their readings were recorded and analyzed by 'Running Speech' in Phonatory Aerodynamic System(PAS) instrument. As results, during whispered speech, the total duration was longer and the numbers of inspiration were more frequently shown than normal speech. The Peak expiratory and inspiratory rate were higher in normal speech, but the expiratory and inspiratory volume were higher in whispered speech. By correlation analysis, both whispered and normal speech showed significantly high correlation between total duration and expiratory/inspiratory airflow duration; numbers of inspiration and inspiratory airflow duration; expiratory and inspiratory volume. These results show that whispered speech needs more respiratory effort but shows poorer aerodynamic efficacy during phonation than normal speech.

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References

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  1. The Difference in Alternating Motion Rate Tests between the Same Speaker’s Normal and Whispered Speech vol.19, pp.4, 2014, https://doi.org/10.12963/csd.14204