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류종관(Ryu, Jong-Kwan),전진용(Jeon, Jin-Yong) 한국소음진동공학회 2006 한국소음진동공학회 논문집 Vol.16 No.10
A survey and auditory experiment on multiple residential noises such as floor impact, airborne, bathroom, drainage and traffic noises were conducted to develop a combined rating system and to establish criteria for multiple residential noises. Subjective reactions such as annoyance, activity disturbance, sleep disturbance, and satisfaction to overall noise environment and each residential noise were recorded. The effect of individual noise perception on the evaluation of the overall noise environment was also investigated. The survey results showed that satisfaction for floor impact noise most greatly affects the overall satisfaction for overall noise environment and annoyance most greatly affects the satisfaction for individual noise sources. Auditory experiments were undertaken to determine the percent satisfaction for individual noise levels. Result of auditory experiment showed that the noise level corresponding to 40 % satisfaction is 49 dB $(L_{i,Fmax,AW})$ for floor impact and is about 40 dB(A) for airborne, drainage and traffic noise. From the results of the survey and the auditory experiments, an equation for predicting the overall satisfaction for multiple noises was developed and a classification of multiple residential noises was proposed.
다목적홀의 음향성능 예측을 위한 1/10 축척모형의 제작 및 평가
류종관(Ryu. Jong-Kwan),장호연(Chang. Ho-Yeon),신동재(Sheen. Dong-Jae),전진용(Jeon. Jin-Yong) 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1
The contents and considerations in design process of multi-purpose halls, scale model as an efficient tool to predict acoustical qualities of spaces for music and speech were introduced. A 1/10 scale model was constructed to measure the acoustical properties and to complement and adjust the architectural components on room acoustical characteristics of K-performing arts center. The materials for scale model such as seating and audiences, absorption banners based on measurement of absorption coefficient in a 1/10 reverberation chamber were selected. In addition, the reverberation time of scale model was measured in occupied seatings and the effect of absorption banners on the ceilings and side walls was also investigated.
류종관(Ryu, Jong-Kwan),전진용(Jeon, Jin-Yong),김흥식(Kim, Heung-Sik) 한국소음진동공학회 2005 한국소음진동공학회 논문집 Vol.15 No.8
A 7-point verbal noise annoyance scale for residential noises was developed in this study. An auditory experiment using major residential noises such as air-borne, bathroom drainage, and traffic noises was conducted to develop a noise annoyance scale for rating residential noises and allowable limit of them. The modifiers used in the scales were selected according to the method proposed by ICBEN(international commission on the biological effect of noise) Team 6. Results showed that the intensity of the selected words in the 7-point noise annoyance scale was highly correlated with noise levels. and that the intensity difference between each pair of successive levels in the 7-point annoyance scale was almost identical. The allowable limit of residential noise was also investigated in the auditory experiment and that of airborne, drainage and traffic noises were 42.3 dB(A), 41.0 dB(A) and 42.7 dB(A), respectively.