Background of the project:

      The Chamber of Commerce Building is located in the core area of ​​the Central Business District of Guangming New District. It is adjacent to Wanzhong Pedestrian Street in the west and Wanzhong Road in the south. It is surrounded by education, hospitals and commerce. It is one of the first batch of development and construction projects in Guangming New District. The project consists of a 20-storey commercial building with a large parking lot on the 2nd basement with a total construction area of ​​0.8 million square meters and a building height of 64 meters. Mainly used by the government and member companies. The total investment of the project is 250 million yuan. The project's architectural style is stylish and atmospheric, reflecting the modern office concept and concern for human nature. It is a beautiful scenery of the new district cbd business center.

 

client needs:

1. According to the digitization of building infrastructure and the requirements of informationization, the building broadcasting system utilizes the existing IP network construction, strictly designs according to the drawings, and optimizes the configuration on this basis to improve the overall performance of the system and achieve digital background music and service broadcasting. Claim.

2, the configuration of computer software operation, set the timed play through the software, can complete the unattended automatic play music.

3. Each background public walkway and other areas are arranged with background music speakers. The digital audio signal is transmitted to each floor and the walkway speaker by using the internal IP network of the building, which can realize manual automatic play of background music or paging broadcast.

4. In conjunction with the fire protection system of the building, when a fire or other emergency occurs, the emergency alarm broadcast is cut off to cut off the alarm music being played, and the emergency broadcast is given priority, and the staff of the building is notified to leave the fire area quickly.

 

solution:

1. In principle, the broadcasting division is divided into different broadcasting areas by different floors. The entire system is divided into 22 broadcast zones. The system broadcast control center equipment is installed in a mezzanine monitoring room to manage the indoor broadcasting system of the entire building. The main control center can manage the system in the local area separately, and the management authority is given by the main system, and the management personnel of the user operate autonomously. In the future, if you add partitions and sub-controls, you can set sub-control management and other permissions in the main control center computer software.

2. The system adopts TCP/IP network broadcasting system. The IP network broadcasting system is a set of audio sound reinforcement system based on IP data network transmission. It can be used in the LAN of the same network segment, in the LAN across the gateway or on the Internet. Stable and reliable webcasting depends directly on the combination of network server and network adapter hardware and software. The IP network broadcasting system is composed of an IP network broadcast control center, an IP network power amplifier, and an audio workstation. The system uses high-speed dual CPU processing (32-bit MCU + 16-bit DSP), digital power amplifier, short delay (0.1s) sound quality (20-16KHZ), support for data transmission in various audio formats (MP3, MP2, AAC, WAV) ), perfect network adaptability, and support real-time encoding of external audio, with: automatic IP address acquisition (DHCP), direct cross-gateway and core routing switch functions, support for Internet broadcast, network traffic adaptive function, and fire protection at the same time Linkage, network power (POE) function.

3. The system is based on an IP data network. Each network broadcast adapter can have a separate IP address and can have a completely personalized program.

4. The system extends the front-end audio source to the entire network, and the program timing playback can be operated remotely through the network. To achieve networked management, you can also set different permissions for different users.

5. The system is connected to the fire protection system, and it also serves as a fire emergency broadcast when the alarm occurs.

 

Main control room:

      The IP digital public address system main control room is installed in the monitoring, equipped with servers, audio source equipment, IP paging microphones, monitor speakers and other peripheral equipment; the main control room is responsible for the entire system operation configuration, centralized control of the entire building broadcast, It can realize the broadcast and paging calls.

 

Each partition setting:

      According to the actual situation of the building, each broadcast point is a different location and speaker configuration, and each area is equipped with IP digital power amplifiers, totaling 22 zones.

 

system structure:

 

 

Achieve the effect:

1. Timed music ringing

       The system can automatically turn on and off the power of the device according to the settings, and the set of working hours is programmed 24 hours a day (accurate to the second). User-friendly music ringtones and automatic broadcast of radio programs, playing different light music every day, creating a comfortable working environment.

2. Remote control and paging function

       Through the management room's main control room broadcast microphone or remote call station, managers can publish management information about the building in their own offices without going to the computer room; remote paging stations can broadcast speech to the building or a certain partition.

3. Offline operation

       The entire broadcast system has both networked and offline modes of operation, and can still perform scheduled tasks in the event of a network failure.

4. Multiple sets of programs play simultaneously

       Each terminal can be set to play different content, that is, one set of programs corresponds to one terminal, and does not interfere with each other. The terminal volume is independently controlled; the partitioned program is played, and can be played manually or automatically.