Reducing effects of packet loss in video transmissions
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United States of America Patent
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Jun 7, 2011
Grant Date -
Sep 18, 2008
app pub date -
Mar 14, 2007
filing date -
Mar 14, 2007
priority date (Note) -
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Abstract
An error correction system determines a level of error correction protection to apply to a frame of video data to be transmitted by a sending endpoint to a receiving endpoint based on the predicted impact of packet loss as well as the importance of the frame based on inter-frame dependencies, frame size, packet loss probability, historical packet loss pattern, central processing unit (CPU) load, and available network bandwidth. At the receiving endpoint, when packet loss is detected for a particular frame, the receiving endpoint will attempt to recover the frame using protection packets received along with the video data.
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