Method, apparatus and system for concurrent processing of multiple video streams
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United States of America Patent
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Oct 16, 2012
Grant Date -
Dec 17, 2009
app pub date -
Feb 23, 2009
filing date -
Jun 11, 2008
priority date (Note) -
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Abstract
A system apparatus and method for concurrent delivery of a plurality of video streams comprising one or more transcoders for bitrate reduction and a cache memory to save copies of transcoded segments. When the total outgoing bitrate of the system exceeds a predefined threshold, the system decides which of the video segments to transcode and the magnitude of bitrate reduction. Before assigning a transcoder for the bitrate reduction, the system first checks the cache for saved transcoded segments. If appropriate transcoded segments are not found in cache, the system may assign a transcoder for the video segments designated for bitrate reduction.
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