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首页> 外文期刊>IEEE Signal Processing Magazine >MPEG-21: The 21st century multimedia framework
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MPEG-21: The 21st century multimedia framework

机译：MPEG-21：21世纪的多媒体框架

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The lack of interoperable (and thus standardized) solutions is stalling the deployment of advanced multimedia packaging and distribution applications although most of the individual technologies are indeed already present. This motivated MPEG (ISO/IEC JTCl SC29 WGI I) in June 2000 to start working on the definition of enabling normative technology for the multimedia applications of the 21st century: MPEG-21 "Multimedia Framework." MPEG-21's approach is to define a framework to support transactions that are interoperable and highly automated, specifically taking into account digital rights management (DRM) requirements and targeting multimedia access and delivery using heterogeneous networks and terminals. This article first outlines the context and background of the MPEG-21 initiative. Then, an overview of MPEG-21 technology is given. Subsequently, it is discussed how MPEG-21 can provide solutions for universal multimedia access (UMA). UMA is also one of the use cases that has led to the creation of a new part in MPEG-21 dealing with digital item adaptation. Finally, this article concludes with an overview of MPEG-21 related activities and an outlook on future developments.
机译：尽管大多数独立技术确实已经存在，但缺乏可互操作（因而标准化）的解决方案使高级多媒体打包和分发应用程序的部署停滞不前。这激发了MPEG（ISO / IEC JTC1 SC29 WGI I）的积极性，于2000年6月开始致力于为21世纪的多媒体应用定义规范技术的定义：MPEG-21“多媒体框架”。 MPEG-21的方法是定义一个框架，以支持可互操作和高度自动化的交易，特别是考虑到数字版权管理（DRM）要求，并针对使用异构网络和终端的多媒体访问和交付。本文首先概述了MPEG-21计划的背景和背景。然后，对MPEG-21技术进行了概述。随后，讨论了MPEG-21如何为通用多媒体访问（UMA）提供解决方案。 UMA也是导致在MPEG-21中创建一个涉及数字项自适应的新部分的用例之一。最后，本文以MPEG-21相关活动的概述以及对未来发展的展望作为结尾。

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