Comparisons of Aerodynamic and EGG Waveform Characteristics Under Resonant Voice, Accent Method, and Tongue-tip Trills

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J Korean Soc Laryngol Phoniatr Logop > Volume 11(2); 2000 > Article

Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2000;11(2): 146-160.

공명 발성, 악센트 기법 및 혀끝 트릴에 대한 전기성문파형과 공기역학적 특성 비교

송윤경¹, 심현섭², 최홍식³

¹성균관대학교 의과대학 강북삼성병원 이비인후과학교실²이화여자대학교 특수교육학과, 언어병리학 협동과정³연세대학교 의과대학 이비인후과학교실, 음성언어의학연구소

Comparisons of Aerodynamic and EGG Waveform Characteristics Under Resonant Voice, Accent Method, and Tongue-tip Trills

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ABSTRACT

The current study aimed to establish rationales for using three different voice therapies (resonant voice, accent method, and tongue-tip trills) by comparing the aerodynamic, and vocal fold closure characteristics under three therapies. A total of 8 male under/graduate students(tenors) participated as subjects. In order to compare aerodynamic characteristics, air flow rates and subglottal pressures were measured using Phonatory function analyzer under three therapy conditions. The characteristics of vocal fold closure patterns also were examined by comparing closed quotients(CQ) measured by Electroglottograph(EGG) under three therapy conditions. However, maximum phonation time (MPT) was measured under only resonant voice and tongue-tip trills using Aerophone II. The results are summarized as follows : 1) CQ, subglottal pressure and MPT decreased significantly under resonant voice as compared with throat voice, but the air flow rate increased significantly under resonant voice. 2) CQ decreased significantly under accent method as compared with throat voice, but both air flow rate and subglottal pressure increased significantly under accent method. 3) Both CQ and MPT decreased significantly under tongue tip trills as compared with throat voice, but air flow rate and subglottal pressure increased significantly under tongue-tip trills. Clinical implications of results were discussed in light of differential effects of three voice therapies.

KEY WORDS： Voice therapy;Resonant voice;Accent method;Tongue-tip trills;

중심 단어： 음성치료;공명발성;악센트 기법;혀끝 트림;