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Synchronization model for multimedia communication and presentation in distributed systems

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2 Author(s)
Lung-Hsiung Wang ; Dept. of Comput. Sci. & Eng., Tatung Inst. of Technol., Taipei, Taiwan ; Jan-Min Chen

The integration of time dependent media in applications requires the synchronization of media streams. The problem of synchronization is more important if we consider multimedia data presented in distributed systems. The specification of synchronization is supported by the synchronization editor, the creation and the transport of synchronization objects are managed by the synchronization coordinator, and the execution of multimedia presentations is performed by the synchronizer. We use a Petri nets model for the specification of synchronization, and propose a method using by the Normalized Relative Time Stamps (NRTS) to synchronize multimedia objects. We also use two policies, aggressive and conservative, for execution of synchronization presentations. We believe that a best synchronization scheme must be adaptive to various applications, i.e., the performance of synchronization among various media streams is dependent on the applications. On the view of resources utilization, we try to propose a scheme that can tune the accuracy of detecting the asynchrony. Thus, we can get the balance on the tradeoff between the performance of presentation and utilization of resources

Published in:

Parallel and Distributed Systems, 1996. Proceedings., 1996 International Conference on

Date of Conference:

3-6 Jun 1996