摘要
为确保广播电视信号的正常,本文提出一种带有应急抢通功能的信号切换器,当出现设备无法自动或手动切换信号时,可通过设备面板对应应急接口,直接将信号通过应急线连接,可保证在最短时间恢复信号播出。
In order to ensure normal radio and television signals, this paper proposes a signal switcher with emergency connection function. When the equipment can not automatically or manually switch signals, the signal can be directly connected through emergency line through the corresponding emergency interface on equipment panel, which can ensure to resume signal broadcast in the shortest time.
作者
党伟荣
Dang Weirong(Old Barracks TV Transmitting Center,Shanxi Radio and Television Radio Management Center,Shanxi 030000,China)
出处
《广播与电视技术》
2021年第4期99-103,共5页
Radio & TV Broadcast Engineering
关键词
广播电视
切换器
应急抢通
信号切换
Radio and television
Switcher
Emergency Connection
Switching emergency
Signal Switching
