电视演播室应急切换指示灯的设计与应用  

Design and Application of Emergency Switching Indicator Light in Television Studio

作　　者：茅俊君 Mao Junjun(Shanghai Media Group,Shanghai 200041,China)

机构地区：[1]上海广播电视台,上海200041

出　　处：《广播与电视技术》2024年第4期56-59,共4页Radio & TV Broadcast Engineering

摘　　要：电视直播中,演播室核心制作设备发生故障时,应急切换系统可有效避免节目制作的中断,保障节目安全播出。本文介绍自研设计的电视演播室应急切换指示灯,可在应急切换系统启用时,起到提示作用,在应急发生后,避免出现制作混乱的情况。应急切换指示灯具有响应快、不影响切换、兼容性佳、信号可级联、亮度可调节等特点。在实践工作中,应用效果良好。When the core production equipment in the studio malfunctions during live television broadcasting,the emergency switching system can effectively avoid interruptions in Television program production,ensuring safe broadcasting.The emergency switching indicator light in this article can be activated when the emergency switching system is activated,to serve as a reminder,to avoid confusion in production after an emergency switching occurs.The emergency switching indicator light has the advantages of fast response,no impact on switching,good compatibility,cascading signals,and adjustable brightness.In practical work,the application effect is good.

关 键 词：演播室 应急切换 指示灯 

分 类 号：TN948[电子电信—信号与信息处理]