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Input lag

21 bytes added, 10 January
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Ways to reduce input lag
==Ways to reduce input lag==
;Display
:;Option 1
*[[Display FAQ#CRT TVs|CRT TV]] OR [[Display_FAQ#CRT_monitors|VGA CRT]] (not [[Display FAQ#CRT TVs|HD CRTs]]) with analog input/output. If your GPU only support digital output then use [https://old.reddit.com/user/ahayriSG/comments/16q18h6/highend_dacs_for_crts/ high-end DAC/Digital-to-Analog converters] for higher resolutions and refresh rates (Keep in mind that HDMI ones generally [https://youtu.be/WIDeNItt69s?t=1885 pretty bad]). But what about digital-to-analog conversion input lag? See Aperture Grille's video about [https://youtu.be/puu-iyTsZtg?t=840 testing GPU-Passthrough and cheap DAC input lag results]. Also see [https://hardforum.com/threads/24-widescreen-crt-fw900-from-ebay-arrived-comments.952788/page-435#post-1044652495 this thread] for more information about high-end DACs.
::Use Custom resolution/CRTSwitchRes solutions for displaying it on a CRT display in the correct resolutions. You could use built-in Custom resolution/CRTSwitchRes solutions like RetroArch's [https://docs.libretro.com/guides/crtswitchres/ CRTSwitchRes] or [[GroovyMAME]] using with [http://geedorah.com/eiusdemmodi/forum/viewtopic.php?pid=1009#p1009 CRT emudriver] which is much more practical compared to using EDID editor tools such as [https://www.monitortests.com/forum/Thread-Custom-Resolution-Utility-CRU Custom Resolution Utility (CRU)] or using Linux in KMS mode<ref>https://wiki.archlinux.org/index.php/kernel_mode_setting</ref><ref>https://docs.libretro.com/guides/kms-mode/</ref>. See [https://emulation.gametechwiki.com/index.php?search=%22%23Enhancements|Enhancements%22&title=Special%3ASearch&limit=500&profile=default&fulltext=1 #Enhancements sections] in each page for "built-in custom resolution/CRTSwitchRes" support for emulators.
:;Option 2
*[[#External_Links|Fast-TN or IPS panel LCD or fast-OLED display]], also make sure that you mitigate input lag on [[Displays#LCD_monitors|LCDs]] and [[Displays#OLED_TVs_and_Monitors|OLEDs]] by turning on "game mode" from display OSD if available (this will turn off some post-processing options on display). If your LCD display is old set your [https://www.youtube.com/watch?v=Qdp7VfLXnB4&t=279s native resolution to native panel resolution] for preventing possible poor quality hardware display scaler otherwise you can use [https://forums.blurbusters.com/viewtopic.php?t=6155#p46190 GPU scaling] if you have at least mid range GPU.
::If you have a "gaming" monitor you can also turn on "overdrive" option if available for overclocking pixels (applies overvoltage to pixels) making them react faster (better pixel response time) which results in less ghosting. That said, increasing pixel overdrive may cause inverse ghosting as the increased voltage can cause the pixels to [https://www.rtings.com/monitor/tests/motion/motion-blur-and-response-time#test_4246 overshoot] the colors. See [[#External_Links|these websites and reviews]] to learn information about your display devices capabilities and performance.
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