摘要
介绍了条件接收系统的原理与组成,以及条件接收系统的关键技术,提出了这样一种发展趋势:未来的条件接收系统将由当前的条件接收系统加数字版权管理技术来共同完成。
This article introduces the principle and composition of conditional access system,as well as its key technology,describes a kind of developmental trend：the future conditional access system will be completed by the cooperation of the digital rights management technology and the current conditional access system.
出处
《中国有线电视》
2010年第11期1284-1287,共4页
China Digital Cable TV
关键词
条件接收
加解密
用户分组
机卡分离
数字版权管理
conditional access
encryption and decryption
user groups
machine card separation
digital rights management
