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  • 1.  XPression and NDI and Alpha

    Posted 10-09-2025 17:23

    Hi there!

    We have a situation where we have to bring in some external graphics from Singular.
    Reason is because we are a school and we're going to produce a soccer game as practise for our students, but the producers demand that the stream use their graphics. Not our own...

    Using Singular Recast, I can get the HTML 5 source from them and use Recast to convert it to an NDI stream.
    And from there I can grab that into the NDI input on XPression and use that material on a background covering the whole screen, and voila! It even shows that it works with Alpha in the designer, so I assume that this might be outdated?
    https://rossvideo.community/communities/community-home/digestviewer/viewthread?GroupId=199&MID=25405&CommunityKey=91812bfd-9393-4a3f-8a74-7f8035df130e

    However, we are having some issues with the Alpha channel. It appears choppy and "wrong" around the edges of the graphics.
    Is this a known problem? Anyone know what I might be doing wrong? We are running Xpression version 11.5 at the moment.

    Aleks



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    Aleksander Stalsberg
    Inland Norway University of Applied Sciences/Lillehammer Icehockey Club
    Norway
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  • 2.  RE: XPression and NDI and Alpha

    Posted 10-10-2025 13:25

    I don't have an NDI source with Alpha to test with, but have you tried changing the source mode on the Live Input material?



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    Jeff Mayer
    Ross Video
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  • 3.  RE: XPression and NDI and Alpha

    Posted 10-14-2025 13:31

    Support for NDI inputs with alpha was added in XPression v10.5, so any version 10.5 and above will have it. 

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