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세종문화회관 소극장 리모델링 음향설계
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  • 세종문화회관 소극장 리모델링 음향설계
저자명
전진용,서춘기,이평직,Jeon. Jin-Yong,Seo. Choon-Ki,Lee. Pyoung-Jik
간행물명
大韓建築學會論文集 : Journal of the architectural institute of Korea : Planning & design / 計劃系
권/호정보
2011년|27권 8호|pp.313-320 (8 pages)
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The Little theater in Sejong Performing Arts Center is a proscenium theater with 447 seats, which was built in 1978. Acoustical remodeling design of the theater was carried out to improve the acoustic quality in audience area and to meet functional requirements of the theater. Design strategies included use of more reflective surfaces, installation of diffusers on sidewalls and orchestra pit, and side balconies. In particular, sidewall diffusers were designed through measurements of scattering coefficients according to ISO standardAfter remodeling, field measurements were performed to validate the acoustical design. The results was shown that unoccupied reverberation time varied from 0.93 to 1.06 s, and 1-IACC (Interaural Cross-correlation Coefficient) was more than 0.60. It was also found that sidewall diffusers resulted in decreases of COV (coefficient of variation) of early decay time and 1-IACC and increases of and Np (number of peak). Furthermore, the balance, refers to the sound power ratio of the stage and the pit sources, was -0.2 dB.