发明名称 Automatic level control (ALC)
摘要 Disclosed are methods and systems for automatic level control (ALC) in a video signal processing system. The new ALC of the invention takes into account the gain applied to the video signal, such as that provided by an associated automatic gain control (AGC). Methods and systems of the invention use present gain control values and previous gain control values in quickly converging to a new offset control value.
申请公布号 US2004183953(A1) 申请公布日期 2004.09.23
申请号 US20040769100 申请日期 2004.01.30
申请人 NAVE JAMES EDWARD 发明人 NAVE JAMES EDWARD
分类号 H04N5/20;H03G3/00;H03G3/20;H04N5/16;H04N5/52;(IPC1-7):H04N5/52 主分类号 H04N5/20
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