Foreword

According to the requirements of Document JIANBIAO〔2006〕No.136 issued by the former Ministry of Construction-"Notice on Printing and Distributing'the Development and Revision Plan（phase 2）of National Engineering Construction Standards in 2006'"，this code is jointly developed by the Audio Engineering Society of China（AESC），Guangzhou DSPPA Audio Co.，Ltd.（DSPPA），and other organizations concerned.

In the development process of this code，the working team adopted advanced technologies and experience of China and abroad，made argumentations and experimental verifications of the relevant technologies and indexes，and collected opinions from relevant experts throughout the country before finalizing this code.

The code consists of six chapters，covering:General provisions，Terms，Project design，Project construction，Measurement for Electro-acoustic performance，and Project inspection and acceptance.

The provisions printed in bold type are mandatory ones and must be implemented strictly.

This code is under the jurisdiction of，and its mandatory provisions are interpreted by MOHURD.The Ministry of Industry and Information Technology is in charge of routine management of this code.The AESC is in charge of the explanation of technical specifications.If you have any requirement for amendment or supplement of this code during implementation，please send your comments，suggestions and relevant information to the AESC（address:Beijing mailbox No.743，postal code:100015，email:aesc@ritvea.com.cn）as reference in further amendment.

Chief Development Organizations，Participating Development Organizations，Chief Drafter Staff，Chief Reviewers and Translators of this code are listed below:

Chief Development Organizations:

Audio Engineering Society of China

Guangzhou DSPPA Audio Co.，Ltd.

Participating Development Organizations:

The Third Research Institute of China Electronics Technology Group Corporation

Guangdong Electronic & Electrical Products Inspection and Supervision Institute

Institute of Audio Video & Lighting Tech.of Guangzhou University

Communication Acoustics Laboratory in Communication University of China

Guangzhou Shengya Audio Co.，Ltd.

Hangzhou Goldsound Audiovisual Co.，Ltd.

Shanghai Feiyue Electroacoustic Device Co.，Ltd.

Beijing Ether Electronic Group Ltd.

Yunnan Yifeng Scuebce & Technology Project Co.，Ltd.

Beijing EASE Audio Co.，Ltd.

Shen Culture Media Guilin Co.，Ltd.

Advanced Communication Equipment（Int'l）Co.，Ltd.

Guangzhou Techget Electrical Co.，Ltd.

Chief Drafter Staff:

Zhong Gongliang　Fan Baoyuan　Wang Heng　Zhong Houqiong

Liang Hongfei　Meng Zihou　Gu Keming　Peng Miaoyan

Zhou Xitao　Zhang Chengyun　Zeng Weijian　Wang Qixiang

Guo Yuanlin　Pan Xiaodong　Shao Jianqun　Li Litian

Chief Reviewers:

Yan Fenglun　Wang Yizhen　Shen Hao　Chen Jianli　Cao Xiaozhen

Zhang Xinhua　Zhang Libin

Translators:

Zhong Gongliang　Zeng Weijian　Zhong Houqiong　Meng Zihou

Yang Jun　Wang Heng　Fan Baoyuan　Yang Dingjun　Li Xiaodong

Chen Yixue　Yu Wenke