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Campus broadcast addressing broadcast
Campus radio is a kind of low-power FM radio. Many colleges, universities, middle schools and even elementary schools have now adopted a large number of campus FM radio methods to broadcast English programs or other programs. The frequency range is usually between 76-87MHz, that is to say, ordinary The TV-accompanying radio can be received.
The EVA intelligent constant pressure zoned broadcast system is physically zoned, that is, the speakers of each broadcast area listening point are connected to an audio line, and the entire broadcast system needs several zones to deploy several broadcast audio lines to the broadcast control Center, once the system is completed, it is difficult to distribute one or several speakers in one area to another broadcasting area when the demand changes, unless re-wiring. This situation is often encountered in primary and secondary schools. For example, changes in the enrollment situation will change the number of classes in each grade, and the original broadcast system divided by grade can no longer broadcast by grade. For example, the office area of ​​some corporate units and the dormitory area of ​​the school often have requirements for broadcasting notifications to one or several rooms, finding people, etc. In this case, addressable broadcasting is needed to achieve it, and addressable constant pressure broadcasting is designed. The system can realize fixed-point broadcasting and free zone group broadcasting.