Methods and apparatuses for temporal synchronisation between the video bit stream and the output video sequence
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United States of America Patent
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Sep 8, 2015
Grant Date -
Aug 15, 2013
app pub date -
Jul 26, 2011
filing date -
Jul 30, 2010
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Abstract
A method for temporally synchronizing an input bit stream of a video decoder with a processed video sequence decoded by an external video decoder includes the steps of: capturing the input bit stream and supplying it to a bit stream analyzer; parsing and analyzing the captured input bit stream by the bit stream analyzer; decoding the input bit stream and providing reconstructed images Nrec therefrom; storing the reconstructed images Nrec in a buffer; and comparing a processed video sequence received from the output side of the video decoder with each of the stored reconstructed images, to find a matching frame n* from the reconstructed images in the buffer.
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