【摘要】 设计了一种全新的基于前端切换的视音频监控系统。详细介绍了前端切换视音频监控系统的总体结构,监控中心和监控前端电路、程序的实现以及工作原理。该系统可以节省大量线材和人工,减少了传输线路故障隐患,提高了系统可靠性。更多还原

【Abstract】 A new video and audio monitoring system based on front-end switch is designed.Some important parts,such as the whole framework of system,the circuits and program implementation of monitoring center,the front-end circuit and the operational principles are introduced in detail.The system can save a lot of wire and labor,reduce the risks of transmission line failure,and improve system reliability.更多还原