The new campus public broadcasting system can carry out the standardized management and operation of intelligent system for various external devices (such as radio recorder, cd, md, receiver and digital audio computer hard disk, etc.). It can carry out the whole process of broadcasting by fully automatic management method on the PC duty computer according to the regulations of colleges and universities, The broadcast will be started automatically according to the set procedure flow to ensure the consistency, accuracy and timeliness of the variety show, thus avoiding the situation of ending the broadcast without any reason. For the routine broadcast programs of colleges and universities, such as broadcast gymnastics, music, song ringer, etc., the unmanned broadcast can be completed. The PA loudspeaker system has a very high reliability. The system transmits low noise of Internet signals. There is no provision for output power matching and working voltage matching in the system software Internet. The common failure of a single audio does not harm the work of all system software. The whole equipment is automatically turned off without signal. When there is a start signal or a start command is received, the audio will turn on automatically. Complete unmanned.
Application of public address system speaker horn in hotels and restaurants
For a hotel and restaurant public address system horn speaker, the guest room address system is indispensable. Generally, the room broadcast system should set multi-channel broadcast signals for customers to pick and answer. For star hotels and hotel restaurants, the room broadcast system is less than 2 sets of broadcast signals, and more is 4 sets of broadcast signals. There are several ways to complete the guest room broadcast: (1) In the main machine room, according to a power amplifier circuit, enlarge a set of broadcast program signals, and multi-core cable transmits several sets of broadcast program signals; At the terminal equipment, customers choose to listen to radio programs according to the operation panel of the bed cabinet in the guest room. (2) In the host room, several sets of broadcast program signals are mixed and enlarged according to several frequency demodulators, and a RF coaxial cable is used for signal transmission; At the terminal equipment, customers choose to listen to the radio programs according to the radio receiver set under the operation panel of the bed cabinet in the guest room. (3) In the host room, several sets of broadcast program signals are mixed and enlarged according to several frequency demodulators, which are included in the unnecessary channel column of cable digital TV, and the signal transmission is carried out with cable digital TV; At the terminal equipment, customers choose to listen to radio programs according to the TV.

