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成都锦江礼堂观众厅长48米,宽42米,平均高度16.5米,总容积为25,600立方米,容3,406座,平均每座7.5立方米。礼堂在使用上以大型会议为主,同时兼顾各种歌舞、戏剧演出,因此场内设置了三通道立体声系统。由于四川省是一个多民族地区,所以在观众厅内,装设了分散式语言扩声系统,有六种语言同声传译装置。但在设计中,仍然把演出时可以不用电声系统的情况考虑在内,在厅堂声学体型设计以及其他声学处理方面,均采取了相应措施。 一、声学体型设计 锦江礼堂观众厅容积大,使用要求较高。在开始设计时,天棚及墙面采用了较多的吸声构造,厅内反射声场也不很理想(图
The Jinjiang Auditorium in Chengdu has an audience of 48 meters long, 42 meters wide, and an average height of 16.5 meters. The total volume is 25,600 cubic meters and it accommodates 3,406 seats, with an average of 7.5 cubic meters per seat. The auditorium used mainly large-scale conferences, taking into account various singing and dancing and theatrical performances. Therefore, a three-channel stereo system was installed in the venue. Since Sichuan is a multi-ethnic region, a decentralized language sound reinforcement system is installed in the audience hall and there are simultaneous interpretation facilities in six languages. However, in the design, the situation in which the electro-acoustic system can be used during the performance is still taken into consideration, and corresponding measures have been taken in the acoustical body design and other acoustic treatment of the hall. First, the acoustic body design Jinjiang Auditorium auditorium volume, the use of higher requirements. At the beginning of the design, more noise absorbing structures were used in the ceiling and wall, and the sound field reflected in the hall was not very satisfactory (Figure