摘要
通过对体育馆声环境的现场实测、声场计算机仿真,以体育馆汉语语言清晰度主观评价得分为基础,探讨体育馆混响时间限值;研究结果表明体育馆语言清晰度随混响时间增长而递减的关系较弱,从满足语言清晰度的要求来看,结合合适的扩声系统设计,体育馆混响时间限值可以比规程规定更长。
Based on the subjective evaluation score on Chinese speech intelligibility in gymnasium, this paper makes exploration of reverberation time limits for gymnasium by on-site measurement of large and medium-sized gymnasium with acoustic computer simulation. The study shows that it is not obvious that the speech intelligibility decreases with the increasing of reverberation time. Based on the requirement of speech intelligibility, a reasonable acoustic design can make the reverberation time limits longer than regulation. Furthermore, the control of volume and reasonable arrangement of sound absorption will become effective means for control of reverberation time.
出处
《建筑学报》
北大核心
2013年第2期90-93,共4页
Architectural Journal
关键词
体育馆
混响时间
语言清晰度
gymnasium
reverberation time
speech intelligibility
