System and method for synchronizing simultaneous media stream playback across nonsynchronized network timing/clock islands
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United States of America Patent
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Mar 17, 2015
Grant Date -
Apr 2, 2009
app pub date -
Sep 28, 2007
filing date -
Sep 28, 2007
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Abstract
A system and method for synchronizing simultaneous media stream playback across disjoint network timing/clock islands. An embodiment of a method includes determining a closest device to a source device in a network communications path between the source device and one or more target devices. Here, clocks of the closest device and the one or more target devices are synchronized and a clock of the source device is not necessarily synchronized with the clocks of the closest device and the one or more target devices. A current time for the closest device is then determined. A start time is assigned to at least the current time plus a maximum latency across the network communications path. A data stream and the start time are sent to the one or more target devices for rendering. Other embodiments are described and claimed.
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