摘要
随着网络的迅猛发展,IPTV通过网际协议(IP)来提供包括数字电视节目在内的多种数字多媒体服务及增值业务。由于IPTV的核心是内容传播,所以内容的版权管理是IPTV的一个关键问题。本文介绍了数字版权管理的基本原理,分析了现有DRM系统的缺点,提出了一种IPTV系统的数字版权管理改进模型,详细阐述了其工作流程,并对其相关性能进行分析。
With the rapid growth of the Interact, IPTV provides the variable digital multi - media services by the IP protocol, including the TV program. Because the core of IPTV is content transmission, the content rights management is a pivotal question for IPTV. In this paper ,the basic principle of DRM is introduced ,the disadvantage of existing DRM is analysed, a improved DRM model of IPTV system is proposed, a detailed statement on the work flow is maked,finally, the related performance is analysed.
出处
《微计算机信息》
北大核心
2007年第24期34-36,共3页
Control & Automation
基金
国家自然科学基金委员会-中国工程物理研究院联合基金资助项目(10076011)
