| 摘要 |
The invention relates to a synchronization signal decoder and associated method for improving digital image display. A composite video stream includes a distortion compliant signal and a synchronization signal. A level shift circuit is adapted to shift a voltage level of the composite video stream such that the distortion compliant signal is readily distinguishable from the synchronization signal. A level shift disable circuit is adapted to disable the level shift circuit responsive to the composite video stream.
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