摘要
条件接收在广播电视网络中有着重要地位 ,是实现广播电视个性化服务、保证增值业务发展的基础。阐述了条件接收系统的原理。
Conditional access is important in broadcasting television network. It is fundanental to realize individual services and ensure development of increment services. The article explains the principle of CAS, simulcrypt, multicrypt, and its application in Guangdong cable digital TV.
出处
《中国有线电视》
北大核心
2004年第3期40-43,共4页
China Digital Cable TV
关键词
DVB
条件接收
数字电视
同密
多密
conditional access
scrambling-descrambling
encryption-dencryption
simulcrypt
multicrypt
