Digital stream transcoder with a hybrid-rate controller
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United States of America Patent
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Mar 13, 2007
Grant Date -
Apr 1, 2004
app pub date -
Sep 9, 2003
filing date -
Mar 27, 2002
priority date (Note) -
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Abstract
A rate controller in a transcoder, which receives a stream of compressed frames carried in a bit stream, selectively determines whether to quantize and/or threshold slices of a frame carried in the stream of frames. The rate controller determines the input size of the frame and based at least in part upon at least a desired size, requantizes and/or thresholds the frame such that the output size of the frame is approximately the desired size.
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