摘要
为了提高建筑声学实验教学质量,将一间普通实验室房间改造为可变混响时间空间。通过增加或减少这个空间内的吸声结构,可控制混响时间在0.4-2.4s范围内变化,还可控制与之相关的反射声强度、听闻环境等的变化。结合建筑声学理论知识内容,充分利用这个空间,对建筑声学实验教学进行了改革,完善了已有实验项目,并开发了新的实验项目。实验教学实践证明,这种空间有助于提高建筑声学实验教学质量。
By moving sound insulation configurations into or out of this space, the reverberation time could be controlled to change in the range of 0.4-1.6s, and the reflections- intensity and auditory environment could be controlled as well. According to the theories of architectural acoustics and the characteristics of the space, the experimental teaching in architectural acoustics is reformed. The original experiments are improved, namely the test of indoor reverberation time,the test of sound absorption coefficients of configurations,and the test of air-bone sound insulation of building partition or impact sound insulation of floor. Two new experiments are established, namely the test of noise reduction effect by sound absorption and the design of indoor reverberation time. The experimental teaching practices prove that the space with adjustable reverberation times is beneficial to the experimental teaching quality of architectural acoustics.
出处
《实验技术与管理》
CAS
北大核心
2015年第6期200-203,235,共5页
Experimental Technology and Management
基金
四川大学新世纪教改工程项目(六期)"实验环节对建筑本科教学的支撑研究"
关键词
建筑声学
实验教学
可变混响时间
吸声
architectural acoustics
experimental teaching
adjustable reverberation time
sound absorption
