Theoretical Computer Science
Synchronization for Interactive Multimedia Presentations
IEEE MultiMedia
Hardware implementation of Concurrent Periodic EFSM's
FORTE/PSTV 2000 Proceedings of the FIP TC6 WG6.1 Joint International Conference on Formal Description Techniques for Distributed Systems and Communication Protocols (FORTE XIII) and Protocol Specification, Testing and Verification (PSTV XX)
Generating Test Cases for a Timed I/O Automaton Model
Proceedings of the IFIP TC6 12th International Workshop on Testing Communicating Systems: Method and Applications
Towards a Framework for Testing Distributed Multimedia Software Systems
PDSE '98 Proceedings of the International Symposium on Software Engineering for Parallel and Distributed Systems
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In this paper, we propose a functional testing method of media synchronization protocols, which control the synchronization between audio and movie, described in concurrent synchronous timed I/O automata. In order to trace all test sequences (I/O event sequences) with synchronization on the model, we need to execute each I/O event at an adequate timing which satisfies the whole timing constraint for all the given test sequences. However, the outputs are given from the IUT and uncontrollable. Also each output/synchronization timing may affect executable timing for its succeeding I/O events in the test sequences. In this paper, we propose a technique to derive a set of time intervals which make all the given test sequences executable, and propose a method for functional testing using the technique.