深圳城市运营管理中心指挥大厅扩声系统设计与调试  

The Design and Debugging of Sound Reinforcement System of Command Hall of Shenzhen City Operation and Management Center

作　　者：雷鸣[1] 谢海啸[1] 顾克明[1] 李媛敏[1] 魏民 刘随强 朱向前[1] LEI Ming;XIE Haixiao;GU Keming;LI Yuanmin;WEI Min;LIU Suiqiang;ZHU Xiangqian(Research Institute of TV and Electro-Acoustics,Beijing 100015,China;Beijing ATV Technology Co.,Ltd.,Beijing 100015,China)

机构地区：[1]中国电子科技集团公司第三研究所,北京100015 [2]北京奥特维科技有限公司,北京100015

出　　处：《电声技术》2020年第6期1-10,共10页Audio Engineering

摘　　要：深圳城市运营管理中心是中国电子科技集团公司在新型智慧城市建设领域树立的一个标杆。运营管理中心指挥大厅是新型智慧城市打破信息“壁垒”、开展日常数据监控管理和应急重大事件应急联动处置的核心场所,在城市运营管理中具有重要的意义。因此,指挥大厅对扩声系统提出了很高要求,为保障系统效果,需要进行大量深入、细致和科学的设计。系统设计后,要确保优质的语言扩声效果,还要能提供良好的音乐还原效果,即要具备良好的传输频率特性、声场不均匀度和传声增益等高性能指标要求。要实现以上高要求的性能指标,需要在建声和电声方面同时下功夫。因此,主要阐述了指挥大厅扩声系统的设计和调试技术,并论述了最终达到的良好效果。Shenzhen City Operation and Management Center is a benchmark in the new-type smart city construction field of China Electronic Technology Corporation.The Operation and Management Center is playing an important role in the city operation and management.It is the core place for gathering information,monitoring and managing daily data information and handling the emergency events with joint action.In order to ensure the system performance,the sound reinforcement system of the Command Hall needs high level requirements.It needs a lot of in-depth,meticulous and scientific works during the design part.After the design of the system,first of all,we should ensure the high-quality sound reinforcement effect,and good music restoration effect,that is to say,the system should have good transmission frequency characteristics,sound field normniformity,sound transmission gain and other highperformance indicators.In order to achieve the above-mentioned high requirements performance indicators,it is necessary to work hard in architectural acoustics and electroacoustics at the same time.This paper mainly describes the design and debugging technology of the sound reinforcement system in the Command Hall,and the good performance in the system.

关 键 词：传声增益 语言传输指数(STIPA) 传输频率特性 声场不均匀度 混响时间 

分 类 号：TN912.2[电子电信—通信与信息系统]