With the aging of the original cable broadcasting system in school,there has been frequent failures,and the system has been unable to meet the service requirements.As a result of the development of public broadcasting technology,the broadcasting system constructed with constant pressure equipment has been unable to adapt to future needs,so upgrading with this method is a waste of equipment in the long run.Based on the analysis of intelligent broadcasting system,this paper designs a system upgrading and rebuilding scheme based on the original broadcasting system line and terminal,and continue to play a role in intelligent transformation.%随着学校原有有线广播系统的老化,故障频发,已无法满足使用需要.而由于公共广播技术的发展,采用定压设备建设的广播系统已经无法适应未来的需要,采用此方式升级从长远看是对设备的浪费.本文通过对智能化广播系统的分析,设计一种以原有广播系统线路和终端为基础,再今后智能化改造中能继续发挥作用的系统升级改造方案.
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