The key technology of a IPTV system includes audio and video encode, QoS of audio and video transfers over IP network and digital right management system.
经分析，要构建一个网络数字电视系统，其关键技术主要集中在音视频信号数字化编码、音视频信号在IP网络有质量的传输、数字版权管理系统等方面。
Digital libraries, to avoid infringing, may adopt the collective management system for the right of authorship and administrative technologies of digital copyright.
为避免侵权，数字图书馆可以采用著作权集体管理制度和数字版权管理技术。
The system has advantage on the protection of the digital product right and the flexibility of the user management.
在对数字产品版权的保护上和对用户管理的灵活性方面都有较大的优势。
This paper introduces the condition of the Digital right management(DRM), the applications of this technology in a home network system and the problem in these applications.
本文介绍了数字版权管理技术的现状和该技术在家庭网络中的应用以及存在的问题，并设计了一种基于域的家庭网络数字版权管理系统。
This paper introduces the condition of the Digital right management(DRM), the applications of this technology in a home network system and the problem in these applications.
本文介绍了数字版权管理技术的现状和该技术在家庭网络中的应用以及存在的问题，并设计了一种基于域的家庭网络数字版权管理系统。
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