Guangzhou DSPPA Audio Co., Ltd.

The 12th National Games of the People’s Republic

DSPPA Digital Intelligent Public Address System is equipped in the management center of the 12th National Games of the People’s Republic of China in Liaoning on August 31st, 2013. The PA system is quite functional which can be extended to 10000 zones. DSPPA successfully makes itself sounded in the management center.

It is honorable for DSPPA to be the PA system supplier of this National Game. Management Center, Dalian Sports Center natatorium, tennis stadium, tennis court and baseball stadium are equipped with DSPPA public address system. It is apparent that the system runs in good condition and high efficiency. Its stable and reliable characteristics are highly appreciated by the users.

Opening Ceremony of the 12th National Games of the People’s Republic of China

Opening Ceremony of the 12th National Games of the People’s Republic of China

1. Digital Intelligent Public Address System

1.1 Super large scale audio matrix; flexible configuration

System Matrix Structure

System Matrix Structure

Digital Intelligent Public Address System Main Interface

Digital Intelligent Public Address System Main Interface


1.2 Full-digital Audio Matrix and Data Transmission

Audio input & output flow chart

Audio input & output flow chart

Audio sources input channel setting interface

Audio sources input channel setting interface

Audio sources input channel setting interface

Audio sources input channel setting interface

2. Design of the Public Address System in Management Center

2.1 Overall structure

The management center of the 12th National Games is in large scale with 143 fire alarming zones and more than 2000 relevant points.

PA system structure of Management center

PA system structure of Management center

System room in Management center

System room in Management center

2.2 Functions

The Public Address System in Management Center supports basic functions like background music broadcast, business announcement and emergency broadcast; it also works for protection functions, such as more strict volume override, line detection and M/S amplifiers.

2.3 Equipment distribution

PA Equipment distribution in Management Center

PA Equipment distribution in Management Center

  • Tel:+86 020 37166501
  • Fax:+86 20 81305947
  • Email:export@dsppa.com
  • Address:Jianggao Town, Baiyun District, Guangzhou, China