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Running graphics through UltraStudio HD Mini?
Rank: Newbie
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Joined: 8/11/2024(UTC) Posts: 3  Location: Sweden Thanks: 1 times
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Hey,
I saw that Blackmagic's UltraStudio HD Mini is suppose to separate key and fill from one SDI input. Have anyone tried how it works to run vMix graphics through it, delivering it to for example an ATEM switcher?
Thanks in advance!
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Rank: Advanced Member
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Joined: 5/14/2013(UTC) Posts: 140  Location: uk Thanks: 2 times
Was thanked: 24 time(s) in 20 post(s)
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It outputs 2 sdi signals one for fill and one for key , you have to feed them both into your atem and set the DSK in the atem to use them appropriately,
It works well I do it all the time
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Rank: Newbie
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Joined: 8/11/2024(UTC) Posts: 3 Location: Sweden Thanks: 1 times
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Originally Posted by: Henny  It outputs 2 sdi signals one for fill and one for key , you have to feed them both into your atem and set the DSK in the atem to use them appropriately,
It works well I do it all the time Do you mean vMix or the UltraStudio Mini? Do I understand it correctly, that vMix outputs 1 SDI for the graphics, and you send it to the UltraStudio, and then send the 2 SDI, the key and fill from the UltraStudio to the switcher?
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Rank: Advanced Member
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Joined: 1/25/2019(UTC) Posts: 303  Thanks: 17 times
Was thanked: 79 time(s) in 60 post(s)
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This works perfect. In the external settings, under audio, set alphachannel to straight(according to vmix)
I have a ultrastudio mini and a Thunderbolt disclosure with a decklink duo2. Works on both.
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Rank: Advanced Member
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Joined: 5/14/2013(UTC) Posts: 140 Location: uk Thanks: 2 times
Was thanked: 24 time(s) in 20 post(s)
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Tim doe a good job of explaining it here
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Rank: Newbie
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Joined: 8/11/2024(UTC) Posts: 3 Location: Sweden Thanks: 1 times
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Originally Posted by: Henny Tim doe a good job of explaining it here Thanks! He's doing it with a DeckLink Duo though. Do you know how it works with the UltraStudio? Can you use a UltraStudio Mini Monitor, or AJA IO-4K to output the SDI signal into the UltraStudio in that case? Or do I send the video to the UltraStudio through Thunderbolt?
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Rank: Advanced Member
Groups: Registered
Joined: 1/25/2019(UTC) Posts: 303 Thanks: 17 times
Was thanked: 79 time(s) in 60 post(s)
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Connect the Ultrastudio via Thunderbolt. Install the desktop video software from Blackmagic on the Thunderbolt computer so that the computer recognizes the Ultrastudio. Then, as described, in the external output in vMix, external renderer on, device = ultrastudio mini, Alpha Channel on straight, then switch on external output.
FILL appears on the SDI connector A
and
KEY appears on the SDI connector B.
you don't need any other hardware. The interface has one input and one output, via Thunderbolt. However, the output is fill&key capable. If Alpha CHannel is set to none, then the same one signal comes out of SDI connector A & B.
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 1 user thanked Peter1000 for this useful post.
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