Campus network (digital) IP network broadcasting system [1] is a dtsaic network broadcasting system. IP network broadcasting of Shenzhen Liwanzhao Electronic Technology Co., Ltd. turns the signals transmitted by traditional broadcasting into digital signals, which can be transmitted anywhere through the Internet or local area network, breaking through the distance limit. Digital IP network broadcasting system is an important embodiment of the multimedia form of network communication, and it is also an important embodiment of the online development of radio and television media. For traditional broadcasting, network broadcasting is a supplement to its functions, and the two are complementary and cooperative. In order to meet the needs of campus, the school broadcasting system is divided into four subsystems: indoor broadcasting system, outdoor broadcasting system, conventional broadcasting system and emergency broadcasting system.

Indoor broadcasting system: mainly used in classrooms, offices, libraries, training rooms, conference rooms, student activity centers and other indoor places. Use of basic life and cultural activities, such as notice of sound quality requirements, examination broadcast and music playback.

Outdoor broadcasting system: it is mainly used in outdoor places such as playgrounds, basketball courts, tennis courts, green belts and peripheral corridors of colleges and universities. The use of basic life and cultural activities, such as sound quality notification and music playing, has higher requirements for outdoor broadcasting system speakers.

Timing broadcasting system: mainly used for broadcasting bell ringing, eye exercises, electronic alarm clock and other functions.

Emergency public address system: in case of emergency, such as fire, major accident and power failure. The broadcast control room can broadcast the whole hospital with one click.

Eight Functions of Tianma Broadcasting IP Network Digital Broadcasting System

1. Packet control: All network terminals can broadcast in groups at will, which greatly enhances the flexibility of terminal management.

2. Real-time task: real-time playback and real-time sampling playback can be realized; Play the contents of computer media library anytime and anywhere, and collect and play external audio sources in real time.

3. Timed ringing: According to the ringing demand at a specific time and place, a variety of ringing schemes can be customized.

4. Timing acquisition and playback: collect specific peripheral audio sources and play them to the designated area within a specific time. The system provides peripheral control interfaces.

5. On-demand function: it can realize on-demand of files in remote media library, and perform operations such as playing, pausing, fast-forwarding, fast-rewinding, previous song and next song.

6. Intercom function: Two-way intercom and full duplex mode can be realized between broadcast terminals.

7. Fire fighting linkage: the system can be seamlessly connected with the fire alarm system to realize broadcast fire alarm.

8. Sampling, playing and recording: real-time recording of the played content can be realized, and it can be saved as audio data [1].

IP network system is equipped with CD player, tuner and music program library, which can meet the music playing needs of schools, classes and programs, and can play different contents in different regions at the same time.