Synchronized delivery and playout of distributed stored multimedia streams |
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Authors: | Ernst Biersack Werner Geyer |
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Affiliation: | (1) Institut Eurécom, 2229 Route des Crêtes, F-06904 Sophia-Antipolis, France; e-mail: erbi@eurecom.fr , FR |
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Abstract: | Multimedia streams such as audio and video impose tight temporal constraints for their presentation. Often, related multimedia
streams, such as audio and video, must be presented in a synchronized way. We introduce a novel scheme to ensure the continuous
and synchronous delivery of distributed stored multimedia streams across a communications network. We propose a new protocol for synchronized playback and compute the buffer
required to achieve both, the continuity within a single substream and the synchronization between related substreams. The
scheme is very general and does not require synchronized clocks. Using a resynchronization protocol based on buffer level
control, the scheme is able to cope with server drop-outs and clock drift. The synchronization scheme has been implemented
and the paper concludes with our experimental results. |
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Keywords: | :Sychronization – Multimedia streams – Video server |
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