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What is a visual doorbell DRC
2012-05-18 10:23:06

DCR (Dynamic Contrast Ratio), commonly known as dynamic contrast optimization techniques to monitor the application of this technology can automatically determine the distribution of the overall brightness of the screen, by weakening the brightness of dark areas, and adjust the integrated contrast, eliminating the low-contrast LCD dark color gray.the drawbacks of the lack of vivid colors appeal of different gradation levels accurately restored, but also makes the black is more black, dark picture detail to fully tap to make the picture clear and eye-catching, rich layers, but also gives usersclear visual experience.


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