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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    Titel :

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


    Beteiligte:
    Hutter, A. (Autor:in) / Amon, P. (Autor:in) / Panis, G. (Autor:in) / Delfosse, E. (Autor:in) / Ransburg, M. (Autor:in) / Hellwagner, H. (Autor:in)


    Erscheinungsdatum :

    01.01.2005


    Format / Umfang :

    243979 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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