卫星高清电视远程 加密技术实现探讨  

Discussion on Long-distance Encrypt Technology of Satellite HDTV

作　　者：谢东晖 

机构地区：[1]国家广播电视安全播出调度中心

出　　处：《广播与电视技术》2010年第10期147-150,15,共4页Radio & TV Broadcast Engineering

摘　　要：本文阐述了数字电视加解密的基本原理,介绍了高清同播频道卫星传输远程加密技术试验的有关情况,讨论了卫星高清电视远程加密技术实现的可行性,总结了在实际应用中需要注意的问题,对高清卫视节目远程加密方式的应用具有参考作用。In order to meet new developing needs of HDTV and to avoid bad effects of long-distance transmission on safety broadcasting of HD program, it’s necessary to research on realization and actual application of satellite HDTV long-distance encrypt technology. The HD program long-distance encrypt technology introduced in this article greatly reduces risk of program off the air caused by programs source’s long-distance transmission, it can fully meet the demand of safety broadcasting.

关 键 词：卫星 高清电视 远程 加密 

分 类 号：TN943.3[电子电信—信号与信息处理]