Some older gaming monitors like the Asus VG248QE were originally meant as 3D monitors and to use their higher refresh rate for active 3D functions. Because of this, it's important to consider these factors as well when looking for optimal motion performance. While image flicker has a very strong effect on motion quality, other aspects like pixel response times and refresh rates are similarly impactful. If you want to see our test for TVs, check our ' Image Flicker of TVs' article.Īdditional information Response time and Refresh Rate We measure the different frequencies at which the screen's optional flickering feature can be used, if it has one. To test the flickering on monitors, we measure, using a photodiode-equipped tool, the frequency at which the screen flickers, and if it has options for it, the different settings which alter the function. Using image flicker on LCD monitors is similar to how traditional CRT monitors would show the image, as it would periodically scan down the screen and send an impulse to every row as it was being fed the video signal. Learn more about our image flicker tests on monitors. Its appearance can either be an intentional method to improve motion clarity (usually referred to as black frame insertion or backlight strobing) or simply a side effect of the screen's brightness adjustment system (PWM Flicker). Flicker has a large impact on the appearance of motion. Image flicker is a behavior commonly found on monitors where images shown on-screen will appear as a series of short duration impulses instead of staying on-screen constantly until they have to be replaced by the next image.

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