利用SDH网实现新闻回传  

News Transmission by SDH Network

作　　者：马云志 

机构地区：[1]辽宁广播电视传输发射中心,辽宁沈阳110016

出　　处：《中国有线电视》2013年第6期744-746,共3页China Digital Cable TV

摘　　要：辽宁广电SDH传输网已覆盖全省,利用SDH传输网,为省内各市、县提供了完整统一的数字电视平台,而且为省内各地电视台提供方便、快捷的新闻回传通道,增加了新闻节目的时效性,提高了工作效率。对新闻回传业务的规划及传输过程中应遵循的原则进行简要阐述,分析传输过程中可能存在的问题及处理方法。Liaoning radio and TV SDH transmission network covers the province.Use of SDH transmission network,for the province in various cities,the county have provided the integrity,the unification digital television platform,for television stations provide convenient and quick information return path,improve work efficiency.This paper press the business of planning and transport processes in the principles to be followed by a brief description,analysis of possible problems and treatment methods during transmission.

关 键 词：新闻 编码 复用 SDH MPEG-2 

分 类 号：TN914.332[电子电信—通信与信息系统]