Performance Evaluation of Media Synchronization for Multimedia Presentation

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  • マルチメディア通信

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Abstract

In order to realize a general multimedia applications such asvideo-on-demand multimedia conference and electronic museum it isrequired to support a variety of presentations which take account of media synchronization. In this paper we suggested a unified multimedia presentation protocolarchitecture considering a synchronization reference model to providevarious synchronization functions depending on presentations in variousapplications.We designed and implemented a multimedia conference system whichconcurrently provides both live and stored presentations based on ourproposed architecture. We also evaluated performance of a lip synchronizationmethod in the prototype system.As a result our synchronization method could provide effective and correctmedia presentations.

In order to realize a general multimedia applications such asvideo-on-demand, multimedia conference and electronic museum, it isrequired to support a variety of presentations which take account of media synchronization. In this paper, we suggested a unified multimedia presentation protocolarchitecture considering a synchronization reference model to providevarious synchronization functions depending on presentations in variousapplications.We designed and implemented a multimedia conference system whichconcurrently provides both live and stored presentations based on ourproposed architecture. We also evaluated performance of a lip synchronizationmethod in the prototype system.As a result, our synchronization method could provide effective and correctmedia presentations.

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