세종문화회관 소극장 리모델링 음향설계Acoustical Design for Remodeling the Little Theatre in Sejong Performing Arts Center
- Other Titles
- Acoustical Design for Remodeling the Little Theatre in Sejong Performing Arts Center
- Authors
- 전진용; 서춘기; 이평직
- Issue Date
- Aug-2011
- Publisher
- 대한건축학회
- Keywords
- 음향설계; 리모델링; 세종문화회관 소극장; 확산체; 밸런스; Acoustical Design; Remodeling; Little Theater in SPAC; Diffuser; Balance
- Citation
- 대한건축학회논문집, v.27, no.8, pp.313 - 320
- Indexed
- KCI
- Journal Title
- 대한건축학회논문집
- Volume
- 27
- Number
- 8
- Start Page
- 313
- End Page
- 320
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/167784
- ISSN
- 2733-6239
- Abstract
- 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.
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