发明名称 A SYSTEM AND METHOD FOR DETERMINING LIP SYNCHRONIZATION BETWEEN AUDIO AND VIDEO IN A DIGITIZED ENVIRONMENT USING BUFFER CALCULATION.
摘要 <p>The disclosed embodiments relate to a system (23) and method (400) for maintaining synchronization between a video signal (29) and an audio signal (31) that are processed using clocks that are locked. The system (23) may comprise a component (34) that determines at least one initial level of a buffer, a component (34) that determines at least one current level of the buffer, and a component (34) that determines an amount of drift by comparing the at least one initial level of the buffer to the at least one current level of the buffer and adjusts the clocks to maintain the initial midpoint level of the buffer if the amount of drift reaches a threshold level.</p>
申请公布号 MXPA05004938(A) 申请公布日期 2005.07.22
申请号 MX2005PA04938 申请日期 2003.10.31
申请人 THOMSON LICENSING S.A. 发明人 DEVON MATTHEW JOHNSON
分类号 H04N7/24;H04N7/52;(IPC1-7):G06T1/00;H04N5/93;H04N00/00;H04N5/04;H04N9/475 主分类号 H04N7/24
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