| Abstract |
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A multimedia server needs to satisfy the temporal ordering of
multimedia data streams when servicing a client. Multimedia
data has high bandwidth requirements, and within a network a
server may need to service many clients at the same time.
During a presentation a client may have to wait indefinitely
before receiving the next multimedia data stream. This happens
because client requests are queued by a server before they can be
serviced. This results in a loss of synchronization between the
different multimedia objects required by a client for its
presentation. In this paper we propose a technique by which
clients in advance can submit to the server information of all the
required multimedia objects and their temporal relationships for
presentation. The technique ses an enhanced Timed Petri Net
(TPN) to capture information of multimedia objects along with
their timing and synchronization specified in the Synchronized
Multimedia Integration Language (SMIL). We display a
graphical representation of the temporal and synchronization
information captured by the data structure representing the
Timed Petri Net. This information can be used by a multimedia
server to schedule and optimize the delivery of multimedia data
streams.
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 Additional Information
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Index Terms- Synchronized Multimedia Integration Language
(SMIL), Timed Petri Net (TPN), graphical representation,
synchronization of multimedia streams
Citation:
Soon M. Chung, Anil L. Pereira,
"Timed Petri Net Representation of the Synchronized Multimedia Integration Language (SMIL) of XML,"
itcc,
p. 711,
International Conference on Information Technology: Computers and Communications,
2003
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