摘要
厅堂内早期反射声能分布与厅堂的容积、体形、吸声布置及接收点的位置等有关，其形成的早期声场与完全扩散声场有较大的差别。因而有关与早期反射声能相关的音质参量在厅堂中的分布情况无法用扩散场的理论来预计。本文通过对四个厅的测量结果，来分析早期反射声能在厅堂中分布的特性。
The early sound levels in the audience area of an auditorium are significantly effected by the room geometry, the arrangement of absorption treatment and the location of the receiver. The early sound field is non-statistic, different from diffused sound field, therefore it can not be predicted by the diffused field theory. This paper presents the result of measurements in four halls showing the attenuation rate of early sound level with the distance between source and receiver is much larger than the theoretical prediction.
出处
《声学学报》
EI
CSCD
北大核心
2000年第3期193-200,共8页
Acta Acustica
