SDI信号智能检测系统在播出中的应用  

Application Design of SDI Signal Intelligent Detection System in Broadcasting

作　　者：张涌[1] 

机构地区：[1]中国教育电视台,北京100045

出　　处：《广播与电视技术》2016年第5期114-118,共5页Radio & TV Broadcast Engineering

摘　　要：本文结合电视播出系统的安全播出要求,提出了一种通过检测SDI信号异态,同时结合链路上不同节点信号间的比对结果,将所有信息汇总进行智能判断,并根据判断结果提供报警与自动切换功能的系统设计。According to the safety broadcasting requirement of TV broadcasting system,this paper introduces a type of security system.Through detecting abnormal status of SDI signal and combining the contrast result of signals among different nodes on the links,all the information would be gathered and intelligentjudgment would be made.According to the judgment,alarm function and auto-switch function would be provided.

关 键 词：SDI信号检测 一致性比对 异态检测 自动切换 播出系统 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]