电视中心信号切换系统分析与改造实践  

Analysis and Transformation of Television Center Signal Switching System

作　　者：孙照学 刘一鸣 简世江[1] Sun Zhaoxue;Liu Yiming;Jian Shijiang(Hainan Broadcasting Station,Hainan 570206,China)

机构地区：[1]海南广播电视总台,海南570206

出　　处：《广播与电视技术》2023年第10期112-116,共5页Radio & TV Broadcast Engineering

摘　　要：本文介绍了海南广播电视台电视中心电视节目编码复用ASI信号切换系统的基本情况,结合实际运行情况,分析码流切换机制存在的问题。通过完善自动倒换条件、优化面板控制等方法,提高了码流自动切换的准确性和及时性,新增了灵活的手动切换机制,提高了应急处置效率,为类似系统改造升级提供了有益参考。This paper introduces the basic situation of the coding multiplexing ASI signal switching system for TV programs in Hainan Radio and Television Station Center,and analyzes the existing problems of code stream switching mechanism based on the actual operation situation.By improving automatic switching conditions and optimizing panel control,the accuracy and timeliness of code stream automatic switching are improved,and a flexible manual switching mechanism is added to improve the efficiency of emergency response,which provides a useful reference for upgrading of similar systems.

关 键 词：ASI 码流 传输速率 

分 类 号：TN948.14[电子电信—信号与信息处理]