Method of performing rate control for a compression system
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United States of America Patent
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Aug 26, 2008
Grant Date -
N/A
app pub date -
Apr 30, 2003
filing date -
Jul 15, 2002
priority date (Note) -
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Abstract
A rate controller for allocating a bit budget for video frames to be encoded is disclosed. The rate controller of the present invention considers many different factors when determining the frame bit budget including: desired video quality, target bit rate, frame type (intra-frame or inter-frame), frame duration, intra-frame frequency, frame complexity, intra-block frequency within an intra-frame, buffer overflow, buffer underflow, and the encoded video frame quality for a possible second pass.
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