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Effect of Stage Volume Ratio on Audience Acoustics in Concert Halls

Title
Effect of Stage Volume Ratio on Audience Acoustics in Concert Halls
Author
전진용
Keywords
stage volume ratio; acoustical parameters; audience acoustics; computer simulation
Issue Date
2020-02
Publisher
MDPI
Citation
SUSTAINABILITY, v. 12, no. 4, article no. 1370
Abstract
This report proposes the stage volume ratio (Vo/V) as an acoustic design factor for concert halls and presents an investigation of the dependence of the acoustic parameters of an auditorium on the stage volume through computer simulation. Firstly, the ratio of the stage volume to the total volume of a concert hall was defined as Vo/V through case studies of existing concert halls. It was verified using a simple model that the stage acoustic parameter STEarly and audience acoustic parameters G and C80 decreased, whereas, the reverberation time and early decay time increased with increasing Vo/V. Secondly, a computer simulation was performed for nine existing concert halls, while changing Vo/V from −20% to 30%. The room acoustic parameters exhibited the same patterns as suggested by the simple model. Vo/V significantly affected the bass ratio and bass index. A comparison of the effects of Vo/V and the sound absorption coefficient in nine concert halls revealed that Vo/V contributed approximately 15% to the reverberation and affected the bass characteristics more substantially. Thus, Vo/V is a critical design factor when determining the warmth of the audience acoustics. The study results could be used as a basis for acoustic design in the future.
URI
https://www.mdpi.com/2071-1050/12/4/1370https://repository.hanyang.ac.kr/handle/20.500.11754/161324
ISSN
2071-1050
DOI
10.3390/su12041370
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ARCHITECTURAL ENGINEERING(건축공학부) > Articles
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