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How To Calibrate Your TV - eddas-kleines-traumland.de
This is a gamma calibration test image. The gamma defines how the luminance the amount of light on the screen depends on the 8-bit RGB values. As ofcomputer monitors are supposed to adhere the sRGB standard, which is very similar to a gamma value of 2.
Especially for things like photo editing it is important that your gamma settings are correct, since this is what digital cameras and photo printers are supposed to approximate. Look at the image below, and take a few steps back from your monitor such that you don't see the individual pixels or squint your eyes. In each of the vertical color bars, the lighter and darker bands should blend in at the height labeled "2. Actually, for a true sRGB display, the bands should blend in at 2.
Your monitor must be running in its native resolution and your image viewer must not resize the image. Most LCD monitors have a gamma setting that you can play with. In addition, the contrast setting can affect this test, but don't change the contrast so much that it fails the quick contrast test.
The four bars at the left are first check tv tuning testbild most important ones to first check tv tuning testbild right.
Don't be upset if you can't find a monitor setting that shows a consistent gamma of 2. There are very few monitors which can do that without some form of color management in the operating system. For photo editing, it is best to create an ICC monitor profile tailored for your monitor with the help of a hardware calibrator, such as a Datacolor Spyder or an EZcolor Eye One, or maybe at least check the color rendering with for example a Pantone Huey. Apart from getting witchfinder general death penalty better gamma response, you will also get a first check tv tuning testbild color rendering with tools like this.
Note for Mac users: If it is set to 1. Some video card drivers in Windows offer a possibility to manually compensate for a bad gamma characteristic of your monitor. See the screenshot below: Then adjust the curves with your mouse. These PNG images are without embedded gamma information.
I believe that the test works, even in browsers with broken gamma support such as Internet Explorer 6 and 7. For more information about gamma links open in new window: The text and accompanying images may not be redistributed. This includes placing the images on other websites, either as a copy or through hotlinking. Read more This page in: Black level. Gamma calibration This test may be affected by your operating system color profile.
Reference image, correct gamma settings.