一种性能价格比高的电视台自动播控系统

针对国内地市县电视台、有线台需求高性价比自动播控系统的情况，介绍了一种以PC机内置控制卡、时钟卡等功能卡来控制信号源切换的自动播控系统。

Considering that automatic broadcast and control systems with high cost effeciveness are needed by television stations at the levels of regions, cities and counties, and automatic broadcast and control system is described in this paper, in which built-in control cards, clock cards and etc. in a PC are used to switch the signal sources.