System, methods, and computer program products for multi-stream audio/visual synchronization
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United States of America Patent
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Nov 17, 2015
Grant Date -
Oct 24, 2013
app pub date -
Sep 30, 2011
filing date -
Sep 30, 2011
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Abstract
Methods, systems and computer program products for the synchronization of media streams. In an embodiment, a gross synchronization may first be performed on the media streams, using the broadcast delays of the streams. A refined synchronization may then be performed, taking advantage of corresponding visual or audio cues in each stream. In the event that the media streams represent the same content (e.g., the same content from different providers), matching momentary actions in the video media streams may be used to achieve refined synchronization. In the event that the media streams are different (e.g., different broadcasts of the same event), other cues may be used to achieve refined synchronization, where these other cues are part of the underlying event but independent of the particular broadcasts. Examples of these latter cues may be the sound of a referee's whistle or the crack of a bat hitting a baseball.
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