更新时间：2020-09-25 11:18:27
封面
版权信息
Announcement of Ministry of Housing and Urban-Rural Development of the People's Republic of China
Foreword
1 General Provisions
2 Terms
3 Project Design
3.1 General Requirements
3.2 Ensured Functions
3.3 Electro-acoustic Performance Indexes
3.4 System Configuration
3.5 Transmission Lines
3.6 Loudspeakers
3.7 Power Amplifiers
3.8 Signal Source Equipment
4 Project Construction
4.1 General Requirements
4.2 Transmission Cable Laying
4.3 Loudspeaker Mounting
4.4 Equipment Installation
4.5 System Adjustment
4.6 Trial Operation
5 Measurement for Electro-acoustic Performance
5.1 General Requirements
5.2 Measurement Point Selection
5.3 Measurement for Transmission Frequency Response
5.4 Measurement for Sound Field Irregularity
5.5 Measurement for Ensured Sound Pressure Level
5.6 Measurement for Leak Out Acoustic Attenuation
5.7 Measurement for System Signal-to-noise Ratio
5.8 Measurement of STIPA
6 Project Inspection and Acceptance
6.1 General Requirements
6.2 Inspection and Acceptances
Appendix A Tables for Construction
Appendix B Tables for Inspection and Acceptance
Explanation of Wording in This Code
List of Quoted Standards
