Proper aspect ratios

 We have a video wall composed of 1 row and 3 columns. They can play 4k content. It has one Bright Author player behind screen #1 and the other two screens are daisylinked. What would be the proper aspect ratio for displaying one image or video across all three screens. We have another video wall comprised of nine screens and it is playing 3840 x 2160 content properly across all screens as one file with H265 codec. Any suggestions would be much appreciated.

Thank you.


  • 0
    JRB Technical

    I'm making assumptions because it depends on what displays you are using and how they interpret the daisy chain.

    Typically, if you set it to a 1x3 tile matrix it is going to squish the 2160 to 720 in this case (1 third of the height).

    Your 3x3 wall keeps everything the same aspect ratio, because it is a equal wall. (2x2, 3x3, 4x4, 5x5, 6x6, etc.)

    The 1x3 wall is not a standard aspect ratio (1:5.33)

    Since the BrightSign players are often finicky in odd resolutions, what I usually do in this case is this:

    Make the viewable content video 3840x720 so that everything is in it's native aspect, do not stretch anything.

    Then place this video at the top of a 3840x2160 video window with the rest of the screen black and render it out.


    It depends on what video software you are using, I usually build projects like this in After Effects.  Also you can just create a 3840x2160 project in other video software, and put in a horizontal guide line 720 pixels from the top edge. Put all your content above the horizontal guide.To be on the safe side, before your final render, add a black box on top of all the video layers that covers everything from the horizontal guide line down, just to keep things clean on the final video.

    On the displays, set the tile matrix to 3x3 even though you only have 3 displays. Then set those displays as R1 C1, R1 C2, and R1 C3.

    Then the video should play correctly on the three displays, and  everything should be in the correct aspect ratio, circle is a circle.

    I hope this helps.


  • 0
    Tim Wilke

    It worked. Thank you.

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