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In the development of multimedia, multimedia presentation
system is an important part. It is an important issue that how
to play multimedia resources smoothly in the system. In the
context, I will introduce a system --- Multimedia Abstract
Machine and describe one of important functions --- Multimedia
Presentation Design Machine. I construct the algorithm of system
kernel based on the Timed Petri Net. In the system, it provides
the function of dynamical process except for playing multimedia
objects by timschedule. This mechanism can enhance the
flexibility of system. The system will provide a friendly user
interface with many tools and multimedia presentation designer
can design his/her presentation schedule in a better
environment. Users can analysis and organize their presentation
example using the system. By the chart of multimedia
presentation, a designer can understand the executing
performance of presentation in the system and modify any
multimedia object in the schedule. The one of important features
is including the concepts of software engineering. In designing
level, the system organization is a structural module with
independent levels. For the reason, the system development has a
long extension. In system maintenance, the system can resolve
various data type of multimedia resource using the method of
software metrics and testing of software engineering. The
approach can enhance the system structure and system
performance. The system operation is based on the timed Petri
net. Consequently, it provides a large area in the low level.
About multimedia resource conflict, asynchronous or synchronous
control and user interrupt, the system has feasible research
field in the theory or implement. In my paper, they will be
introduced step by step about basic concepts, system algorithm
and system interface.
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