วันพฤหัสบดีที่ 23 มิถุนายน พ.ศ. 2554

HDTV Tips - Improve Your HDTV contrast ratio

Contrast ratio is one of the features that people seem more interested in finding a new HDTV. The contrast ratio is the difference between the darkest dark scene brighter and more brilliant scene, the screen can be displayed. A beautiful high contrast ratio, as 8,000 to 1 or higher, the picture gives a more authentic feel and sharp. The exact ratio will depend very much on how the manufacturer chooses to make this measurement to maximize the contrast with the selection of aHDTV> rather than another is a dubious plan. But there is one sure way to improve things, regardless of the specific TV:

The key is to "fool" your eyes a little '. Your eye is iris (the "aperture" of the eye) contract in bright light and dilate in a darker light, is not it? If your TV room is completely dark, the eyes are large and sensitive to small amounts of light, so you have to lower the brightness on the screen to the dark parts completely black. This also appliesreduces the brightness of the bright scenes, so that the apparent contrast.

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If you have a weak light source, like a small lamp behind the TV in a dark room, otherwise, your iris will shrink a bit 'and allow you to turn the brightness a bit'. You will see how completely black, and have more brightness in bright scenes, so that the contrast evident and makes the picture look better. Restrictive your iris also increases the sharpnessTheir vision, such as closing the aperture of a lens to increase the sharpness and depth of field. And the dim, diffused light will not cause glare on the screen as you may direct or the light above his head.

Of course it also helps determine whether a particular HDTV has actually said a contrast ratio as good as the manufacturer. One way to find out is to look on HDTV where customers compare the actual notes. And you can expect a buyer for the HDTV Guidegain a better understanding of conflict and other tech topics.

HDTV Tips - Improve Your HDTV contrast ratio

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