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한국소리터 야외공연장의 음향성능 개선 및 평가 KCI 등재

The Improvement and Evaluation of Acoustic Performance of Outdoor Performance Hall of Korea Soriter

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한국기계기술학회지 (Journal of the Korean Society of Mechanical Technology)
한국기계기술학회 (Korean Society of Mechanical Technology)
초록

A Catholic school is a school that spreads religious ideology to students by combining religious education with regular school curriculum. But, most Catholic schools do not have a separate liturgical space, mass is performed in multipurpose spaces such as auditoriums, and are exposed to severe acoustic defects due to the very aging facilities and lack of sound performance suitable for the liturgical space. So, in this study, an improvement plan was proposed using sound simulation after identifying acoustic defects through field measurements in the liturgical space of Haeseong High School in Jeonju. Also, hearing experiment using Acoustic Psychological Analysis was conducted to identify changes in subjective responses felt by students as they improved their acoustic performance. The results of study, before and after sound performance improvement sound pressure level(SPL500Hz) was 64.8dB at 66.7dB, the weighted sound level(SPLdB(A)) was 67.9dB(A) at 75.8dB(A), reverberation time(RT500Hz) was 2.04sec at 2.52sec, definition(D50,500Hz) was 40.2% at 33.5%, clarity(C80.500Hz) was –0.8dB at –1.18dB, and RASTI was 57.7% at 49.2% was evaluated. In addition, the amount of improvement in subjective responses before and after sound performance through psycho-acoustic experiment decreased by “Reverberation” -17.0%, “Loudness” -11.3% and increased by “Clear” 21.3%, “Vivid” 21.3%, “Intimacy” 12.4%, “Warmth” 14.3%, “Stability” 19.3%, “Godliness” 18.8%. Therefore, after improving sound performance, Haesung High School's liturgical space improved satisfaction with subjective sound performance felt by students and teachers to ensure sound performance suitable for the liturgical space.

저자
  • 진유종(원광대학교 일반대학원 건축공학과) | Yu-Jong Jin
  • 조한희(소리지오) | Han-Hee Cho
  • 장희라(원광대학교 건축공학과) | Hee-La Jang
  • 김재수(원광대학교) | Kim Jae Soo Corresponding author