1. Design basis

※The demand for bidding and the size of the designated use place

※People's Republic of China industry standards:

"General Electric Equipment Design Code" (GB50055-93)

"Electrical equipment installation engineering electrical equipment handover test standard" (GB50150-91)

"Code for Electrical Design of Civil Buildings" (JGJ/T16-92)

"Code for Acceptance of Grounding Installation of Electrical Installation Engineering" (GB50169-92)

"Building Electrical Installation Engineering Quality Inspection and Evaluation Standards" (GBJ303-88)

"Design Specification for Sound Reinforcement System of Hall" (GB 50371-2006)

"Measurement method of hall sound reinforcement characteristics" (GB-4959-95)

"Explanation and calculation method of general terms of sound system equipment" (GB 12060-89)

"Safety of Information Technology Equipment, including Electrical Equipment" (GB4943-95)

"Software Engineering Standard" (GTB856)

"International Standards for Information Technology Interconnection" (ISO/IEC11801-95)

"Code for Fire Protection Design of Buildings" (GBJ16-87) revised in 2001

"Design Code for Theater Building" (JGJ 57-2000/ J67-2001)

"Code of Design for Cinema Buildings" (JGJ 58-88)

"Objective Evaluation Hall Language Intelligibility and "RASTI" Law" (GB/T 14476-93)

"Optimal Matching Value for Interconnection of Sound System Equipment" (GB/T 14197-93)

"Application of connectors for interconnection of sound system equipment" (GB/T 14947-94)

"Measurement method of hall sound reinforcement characteristics" (GB4959-95)

"Measurement Method of Hall Reverberation Time" (GBJ 76-84)

"Test Method of Main Performance of Speaker" (GB/T9396-1996)

"Acoustic Characteristics Index of Sound Reinforcement System in Performance Place" (WH/T 18-2003)

"Code for architectural acoustic design of theaters, cinemas and multi-purpose halls" (GB/T50356-2005)

"Acoustic Speech Clarity Test Method" (GB/T 15508 -1995)

"Acoustic Design and Measurement Specifications" (JGI/T 7-97)

"Code for Construction Quality Acceptance of Building Electrical Engineering" (GB 50503-2002)

2. Design principles

In order to establish a sound and lighting system with advanced technology, stable performance, complete functions and easy to use, our system design follows the following design principles: advanced, practical, integrated, scalable, convenient, safe Reliability and economy.

(1) Advanced

●The system design is international, and it is practical and easy to implement;

●Follow international standards and relevant norms and requirements at home and abroad:

● It is in line with the *** development trend of computer, network communication technology and video conference technology, and is a mature application system.

(2) Practicability

●According to the characteristics of practical applications, it has multiple management methods:

●The system design meets the actual needs of the project;

●The system configuration emphasizes both advancedness and practicality.

(3) Integration

●Highly integrated, small size, light weight, easy to move, low power consumption:

●Under the premise of high integration and miniaturization, it has multiple functions.

(4) Scalability