The diversity of end-terminal and access network capabilities as well as the dynamic nature of wireless connections pose significant challenges to providers of multimedia streaming services. In this paper, we present a system based on MPEG-21 Digital Item Adaptation (DIA) technologies that automatically adapts scalable multimedia resources, like upcoming MPEG-4 Scalable Video Coding (SVC) streams, in a generic and transparent way to the user and session context. This context includes terminal and network capabilities as well as user characteristics. A server side adaptation engine reacts to context changes by dynamic decision taking and accordingly modified bitstream adaptation. Furthermore, novel concepts are presented that facilitate multimedia adaptation in a distributed fashion along the delivery path.


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    Title :

    Automatic adaptation of streaming multimedia content in a dynamic and distributed environment


    Contributors:
    Hutter, A. (author) / Amon, P. (author) / Panis, G. (author) / Delfosse, E. (author) / Ransburg, M. (author) / Hellwagner, H. (author)


    Publication date :

    2005-01-01


    Size :

    243979 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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