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Input lag

168 bytes added, 5 January
Causes
==Causes==
===Display lag=== This is the lag caused by the modern displays/televisions/monitors (due to the nature of the digital technology). [[Wikipedia:Digital_image_processing|<abbr title="Shouldn't be confused with analog image processing.">Digital image processing</abbr>]] (such as upscaling, motion smoothing and edge smoothing etc.) takes time and therefore [https://www.rtings.com/monitor/tests/inputs/input-lag#why-there-s-input-lag adds some degree of input lag as well]. Once the frame has been processedprocessing done, the final step is pixels need time to switch to the new frame's colors: this '[https://www.rtings.com/monitor/tests/motion/motion-blur-and-response-time pixel response time] for the ' might cause a blur on screen, '''but it's different from input lag''', remember, pixel to display response affects how fast you see the correct color for image update, while input lag impacts how quickly the new framegame reacts to your commands.
Analog [[Display FAQ#CRT TVs|CRT TVs]] and [[Display_FAQ#CRT_monitors|VGA CRT monitors]] have very fast response times but it's limited by [https://old.reddit.com/r/crtgaming/comments/qyx4r3/is_this_normal_for_a_crt_monitor_if_not_is_there/ phosphor decay time] due to the nature of the technology (Keep in mind that [[Display FAQ#CRT TVs|HD CRTs]] that do digital image processing and cause noticable input lag). [[Displays#OLED_Monitors|OLEDs]] have almost no display lag due to their very fast response time and also capable of displaying true black levels, which means that they do not require a backlight to produce an image and this allows OLEDs to turn individual pixels on and off much faster than [[Displays#LCD_monitors|LCDs]], which require a backlight to produce an image.
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