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Issue No.01 - January/March (2005 vol.12)
pp: 74-79
Christian Timmerer , Klagenfurt University
Hermann Hellwagner , Klagenfurt University
ABSTRACT
The drive for innovation in multimedia technology often results in a diversity of ideas and approaches. However, this diversity is introducing new challenges for accessing multimedia content anytime, anywhere, any way.The richness in multimedia content and increasing heterogeneity of networks and user devices is making interoperable multimedia communications difficult. Intelligent solutions are needed to enable multimedia content access under a wide range of delivery conditions and usage environments.The MPEG-21 standard promises to fill this need by standardizing descriptors for multimedia content access and allowing standards-compatible technologies to be used for adapting multimedia content.<p>In this article, Christian Timmerer and Hermann Hellwagner tell us how MPEG-21 seeks to achieve interoperable multimedia communication across networks and devices. They describe how MPEG-21 addresses device and format coding independence by standardizing descriptors of usage environment and bit-stream syntax. Through detailed examples involving streaming of audio-video resources and adapting of images according to terminal capabilities, the article illustrates how MPEG-21 solves the challenging and important problem of universal multimedia access.</p>
CITATION
Christian Timmerer, Hermann Hellwagner, "Interoperable Adaptive Multimedia Communication", IEEE MultiMedia, vol.12, no. 1, pp. 74-79, January/March 2005, doi:10.1109/MMUL.2005.7
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