Latency – Time to Display

I did an initial post on the topic of latency back in June [link], shown below is a more complete list of latency measurements for various Digital View LCD controllers. For many applications the latency caused by buffering and image processing in the controller is not an issue, however with the increase in interactive display systems in digital signage and corporate AV it is getting more attention. We recently ran tests using a third party input signal to image latency tester designed to provide a consistent methodology and basis for comparison.

LCD Controller model Latency
Date Added
SVX-4096 (60Hz LCD panel) 15ms 16 Oct 2016
SVX-4096 (120Hz LCD panel) 23ms 16 Oct 2016
SVX-2560 35ms 16 Oct 2016
SVX-1920v3 44ms 16 Oct 2016
ALR-1920 / DD-1920 11ms 16 Oct 2016
ALT-1920 13ms 12 Apr 2019
ALR-1400 / HE-1400 13ms 16 Oct 2016

The timing is measured on a consistent basis using an input signal timed to the middle rows of the display.

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