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If you're in a room with sunlight or want a better HDR experience, then you should specifically check the monitor's SDR and HDR peak brightness measurements to make sure it satisfies your needs. However, keep in mind that brightness can vary slightly from one unit to another, and the manufacturer's advertised brightness is an estimate that tends to be on the optimistic side. ConclusionĮxcept for some budget options, most monitors get bright enough for use in well-lit environments. Lastly, when looking at specifications, the advertised brightness can be in 'cd/m²' or in 'nits', which are the same thing. As for HDR, the brighter the better, although there are very few monitors that get bright enough for a true HDR experience. 300 cd/m² is usually enough to provide good visibility in most environments, but if there's sunlight or the monitor doesn't handle reflections all that well, then you might want to find one that's closer to 400 cd/m² or brighter. Some monitors have an 'Eco mode' intended to reduce power consumption, so you need to ensure that it's disabled if visibility is an issue. There's not much that you can do to improve a monitor's peak brightness other than increasing the brightness and choosing the picture mode that gets the brightest, although these picture modes tend to sacrifice image accuracy. #Monitor brightness how toWe use the same Blu-ray player, with the same settings, for every monitor tested.Īdditional Information How to get the best results For the HDR Real Scene measurement, we play the video from a Samsung Blu-ray player. #Monitor brightness PcWe use our PC to display each slide and use Octave to record the results. Like with our SDR results, we set the local dimming feature to our recommended setting. ![]() Use the keyboard shortcut Windows + A to open the Action Center, revealing a. What about CLI This brief tutorial explains how to adjust monitor brightness from command line in Linux. The Quick actions in the Action Center can also be used to change the brightness. We use the most accurate HDR picture mode without any of our calibration settings applied. Adjusting screen brightness in GUI mode is easy. We take our measurements using a Colorimetry Research CR-100 Colorimeter, using Octave to gather the results for the peak and sustained window tests and CRIapp and Excel for the Real Scene measurements.įor HDR, we connect the display over HDMI, using an HDFury Linker to tell the monitor that the signal we're sending is in HDR. If the monitor supports local dimming in SDR, we set it to our recommended setting based on the results of our ' Local Dimming' test. Our SDR measurements are all taken from a PC, using our calibrated settings, but with the brightness at 'Max'. #Monitor brightness seriesWe start by warming up the display by displaying a series of video clips for at least 30 minutes. From those measurements, we also calculate the monitor's ABL, or Automatic Brightness Limiter, which is a measurement of how much the sustained brightness of the screen changes with different window sizes. We take measurements of a custom real scene peak brightness video and multiple slides, ranging from 2% to 100% coverage of the screen. Be sure to report bugs on the project’s Github issues page.We test peak brightness for both SDR and HDR. Step 2: When it opens, go to the sidebar and click 'System,' then 'Display.' Step 3: Scroll down to the section titled 'Brightness & Color. If you try this app do feel free to share your experiences, thoughts in the comments. But on paper, from everything I’ve read, it sounds like it should work and work well (plus it saves you needing to prod your monitor trying to find hardware keys). ![]() I don’t have a multi-monitor set-up of my own so I can’t attest to how well the app functions. ![]() #Monitor brightness installIt available to install on Ubuntu (and related distros) from a community PPA (which supports Ubuntu 18.04 LTS and above): sudo add-apt-repository ppa:apandada1/brightness-controller sudo apt update & sudo apt install brightness-controller Install Brightness Controller on Ubuntuīrightness Controller is free, open-source software. This all works via xrandr, so if you’re using a Wayland session this app, alas, won’t work. In order to get the current brightness of. The app also lets you set the color temperature of display and tweak the RGB values per-display. The ControlMyMonitor utility allows you to view and change the settings of your monitor from GUI and command-line. 100%, 80%, 60%, etc, but Brightness Controller lets you change brightness to anything you like, from 1% to 100%! #Monitor brightness softwareBrightness Controller is a simple app that lets you adjust external monitor brightness independently of your main display.īetter yet, the software dimmer also gives you a much greater control in how much you adjust the brightness.įor example, your laptop’s monitor brightness keys probably punch up or down in specific increments, e.g. ![]()
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