既有体育馆场地扩声系统提升改造
摘要：对西安市某乙级体育馆现有场馆扩声问题提出改造方案。通过对其建声与电声的改造,对体育馆吊顶、墙面和地面等选择适当的吸声材料和构造及面积,计算各界面的吸声量和总吸声量,使混响时间满足设计标准。EASE软件通过建筑3D模型。运算分析体育馆内声学参量。达到体育场扩声系统一级指标,并满足第十四届全国运动会组委会要求。
关键词：场地扩声体育馆声场分析建声设计混响时间既有体育馆
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参考文献[1] 厅堂、体育场馆扩声系统设计规范：GB/T 28049—2011[S].北京：中国标准出版社，2012.
[2] 体育场馆声学设计及测量规程：JGJ/T 131—2012[S].北京：中国建筑工业出版社，2013.
[3] 体育建筑电气设计规范：JGJ 354-2014[S].北京：中国建筑工业出版社，2015.
[2] 体育场馆声学设计及测量规程：JGJ/T 131—2012[S].北京：中国建筑工业出版社，2013.
[3] 体育建筑电气设计规范：JGJ 354-2014[S].北京：中国建筑工业出版社，2015.
Sound Reinforcement System of the Existing Stadium Venue was Upgraded and Renovated
Abstract: A retrofit plan was proposed to amplify the existing sound systems of Class B gymnasiums in Xi 'an. Through the reconstruction of its architectural acoustics and electro-acoustics. Select soundabsorbing materials,structures and areas for the ceiling,walls and floors of the stadium.,calculate the sound absorption and total sound absorption of all aspects to make the reverberation time meet the design standards.EASE software uses 3 D models of building to computationally analyze acoustic parameters in the stadium.It was able to reach the first grade standard of sound reinforcement system of the stadium,and meet the requirements of the committee of the 14 th National Games of the People's Republic of China.
Keywords: venue sound reinforcement; gymnasium sound field analysis; architectural acoustic design; reverberation time; existing stadium;
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