摘要
条件接收系统是数字电视接收控制的核心技术保障系统,也是对多媒体内容进行数字版权保护的方法之一。文中提出了一个基于IP网络并遵循DVB标准的条件接收系统,介绍了系统的设计和实现,讨论了其中的一些关键问题。
Conditional Access System is a critical component for digital television to control the users access to programs. It is also one of the methods obtaining Digital Rights Management of multimedia contents distribution. A Conditional Access System based on IP networks and DVB specifications is introduced and some key issues in the design and implementation of the system are discussed.
出处
《计算机应用》
CSCD
北大核心
2003年第7期21-23,共3页
journal of Computer Applications
基金
国家 86 3计划项目 (2 0 0 2AA1 1 90 2 0 )