콘서트홀 무대음향에 대한 음향 반사판의 영향The Effects of Stage Reflectors on Stage Acoustics in Concert Halls
- Other Titles
- The Effects of Stage Reflectors on Stage Acoustics in Concert Halls
- Authors
- 이창우; 김용희; 서춘기; 전진용
- Issue Date
- Sep-2008
- Publisher
- 한국생활환경학회
- Keywords
- Stage acoustics; Stage support; Acoustic diffuser
- Citation
- 한국생활환경학회지, v.15, no.3, pp.383 - 391
- Indexed
- KCI
- Journal Title
- 한국생활환경학회지
- Volume
- 15
- Number
- 3
- Start Page
- 383
- End Page
- 391
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/177878
- ISSN
- 1226-1289
- Abstract
- The effects of the movable reflectors on the stage acoustics in a multi-purpose hall (3,048-seats, stage area of 270 m2 within an orchestra shell) and a recital hall (440-seats, stage area of 105 m2) were investigated. Acoustical parameters were evaluated by measuring stage and audience acoustics in the two halls. Acoustical parameters were measured using omnidirectional sound source and receivers including dummy head. The source-to-receiver distance of 1-m was considered for ST1 measurement on the stage. Results showed that ST1 varied on the stage of the large hall according to the position of the reflectors, whereas ST1 did not vary in the small hall. In the large hall, a close formation of stage reflector which forms small stage area yields an increase in both ST1 and other early energy measures such as EDT and C80. In the small hall, early energy decreases when the diffusers on the stage were covered with specular reflectors.
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