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.

• 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。