![]() ![]() In other words, they were tasked with simply passing the signal from the Input Lag Tester to the TV without doing any processing. The other big caveat is that all of the devices we used were, where available, set to pass-through mode. If it does, you could then use ARC/eARC (or optical) to get your console's sound from your TV to your AV component. If you suspect that might be the case in your system, try connecting your console directly to your TV to see if the gaming experience feels more responsive. We tested only a small number of devices and it's obviously possible that there are some soundbars and AV amps out there that will add input lag. That means better quality entertainment without impacting on your gameplay. On the one hand, that makes the experiment feel like a bit of an anti-climax but, on the other, it's great news: you can run your console through your soundbar or AV receiver with little chance of it impacting performance. Other than the aforementioned fluctuations of 0.1-0.2ms that we saw regularly, the input lag score simply didn't change when the signal was passed through any of our selected AV components. Well, that's not exactly what we expected. We've also rounded the results to the nearest millisecond as there's regular fluctuation of 0.1-0.2ms, even when testing the same input in the same way multiple times and we don't want the results to look more different than they really are. If you were to use the newer, 4K version of the Leo Bodnar Input Lag Tester, you'd find the measurements would universally be slightly lower. That means that, because the TV then has to upscale the signal to suit its native 4K resolution, it adds a very small amount of additional input lag. #Input delay tester 1080p#It's worth noting that we're using the 1080p version of the Leo Bodnar Input Lag Tester. We took multiple measurements via every one of each device's HDMI inputs just in case some were laggier than others – they weren't. The AV components we selected were the Sony HT-G700 and Sennheiser Ambeo soundbars, the Sony STR-DN1080 entry-level AV receiver and the Denon AVC-X6500H and AVC-X6700H flagship AV amps. The TV we used for the test was the Samsung QE55Q80T, one of the best-value gaming TVs of 2020. We then connected five different AV components between the Leo Bodnar device and the TV, one at a time, to see how much of an impact each had on the original input lag score. In the first instance, we connected the Leo Bodnar directly to our TV to get its baseline input lag. The Leo Bodnar can then measure the time that elapses between when the signal is produced at one end and scanned at the other. ![]() The Leo Bodnar device (pictured above) outputs a flashing signal via HDMI that travels into the TV and out onto the screen where it can then be analysed by an integrated sensor. ![]()
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