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공연장 만석시 음향성능 평가 및 주관적 반응 분석 KCI 등재

Acoustic Performance Evaluation and Subjective Response Analysis at Fully Occupied Performance Hall

김재호, 문고리, 윤지성, 김건우, 김재수
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한국기계항공기술학회지(구 한국기계기술학회지) (Journal of the Korean Society of Mechanical and Aviation Technology)
한국기계항공기술학회(구 한국기계기술학회) (Korean Society of Mechanical Technology)
초록

Acoustic parameter has been a key indicator for an acoustic design and sound quality evaluation for the hall. However, a psychological feedback from audience provides more direct impression of what audience listen. Therefore, those two indicators were evaluated and compared to provide the best available acoustic output. Traditional acoustic parameter was measured through a sound measurement system, giving out 1.73 sec for reverberation time, 1.82 sec for early decay time, -0.50dB for clarity and 34% for definition. The psychological analysis was based on feedback from 434 audience for an exhibition performance. Audience rated eight categories related to the architecture acoustic, including reverberance, intimacy, loudness, intelligibility, clarity, warmth, balance and envelopment. Audience provided positive feedback with above 5 out of 7. There was no significant difference by gender and in each age groups, audience in their thirties replied with lower score. 2nd floor has an equivalent or higher rate than the 1st floor, which indicates that sound was distributed evenly in the entire hall.

키워드
실내공연장음향성능음향성능 개선설문조사만석 측정 Indoor TheaterAcoustic PerformanceImprovement of Acoustic PerformanceSurveyOccupied measurement
목차
Abstract
1. 서 론
2. 대상 공연장의 제원 및 측정 설명
    2.1 공연장 제원
    2.2 음향성능 측정 구성
3. 공연장의 음향 환경 분석
    3.1 잔향시간 (RT, Reverberation Time)
    3.2 초기감쇠시간 (EDT, Early Decay Time)
    3.3 음악명료도 (C80, Clarity)
    3.4 음성명료도 (D50, Definition)
    3.5 소결
4. 청중의 답변을 통한 반응 분석
    4.1 청감실험 분석 개요
    4.2 음의 울림 (Reverberance)
    4.3 음의 친밀감 (Intimacy)
    4.4 음의 크기 (Loudness)
    4.5 음악명료도 (Intelligibility)
    4.6 음의 선명함 (Clarity)
    4.7 음의 포근함 (Warmth)
    4.8 음의 균형 (Balance)
    4.9 음의 확산감 (Envelopment)
5. 결 론
References
저자
  • 김재호(Wonkwang University Integrated M.S & Ph.D Course) | Jae-ho Kim
  • 김건우(Wonkwang University Integrated M.S & Ph.D Course) | Gun-woo Kim
  • 문고리(Professor, Dept. of Architecture, Donggang University) | Ko-ri Moon
  • 윤지성(Wonkwang University Ph.D Course) | Ji-sung Yoon
  • 김재수(Professor, Dept. of Architectural Engineering, Wonkwang University) | Jae-soo Kim Corresponding author