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J Korean Soc Laryngol Phoniatr Logop > Volume 13(1); 2002 > Article
Journal of The Korean Society of Laryngology, Phoniatrics and Logopedics 2002;13(1): 52-58.
성악도의 두성구와 흉성구 발성에 대한 음향학적 분석
성균관대학교 의과대학 강북삼성병원 이비인후과학교실
Acoustic Analysis of Singing Voice
The pitch range of the human voice is variable, extending from chest register to falsetto. Although numerous studies have investigated after laryngeal mechanism description of registers, systematic and objective studies were lack. The purpose of this study was to analyze and compare head register with chest register of singers acoustically. Fifteen healthy tenor major students were selected. Fifteen healthy untrained adults were the control group for this study. Long term average(LTA) power spectrum using the Fast Fourier transform(FFT) algorithm and Linear predictive coding (LPC) filter response were made during /a/ sustained in both head(G4, 392Hz) md chest registers (C3, 131Hz). Statistical analysis was performed using Mann-Whitney test. In the LTA power spectrum, head register of singer has increased level(energy gain) in the frequency band of 2.2-3.4kHz(p<0.01), and 7.5-8.4kHz(p<0.01, p<0.05). Chest register of singer has increased level in the frequency band of 2.2-3.1kHz(p<0.01), 7.8-8.4kHz(p<0.05) and around 9.6kHz(p<0.01). LTA power spectrum reveals a peak of acoustic energy around 2500Hz known as the singer's formant and another peak of acoustic energy around 8000Hz in singer's voice.
KEY WORDS: Register;Singer's formant;
중심 단어: 성구;음악 음형대;
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