Ultra Studio 4K Alpha Keyer Doesn't Support 1080p59.94

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Brandon Bradshaw

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  • Joined: Thu Nov 03, 2016 12:14 am

Ultra Studio 4K Alpha Keyer Doesn't Support 1080p59.94

PostThu Nov 03, 2016 12:30 am

Having trouble getting the UltraStudio 4K to output an alpha key at the 1080p59.94 format.

Setup: I have an ATEM 2 M/E Production Studio with an UltraStudio 4K and Propresenter 6 with the Alpha Keyer Module. With the switcher, the ultra studio, and propresenter all set to 1080p59.94 the fill output displays just fine, but the key output just shows blank.

Kicker is when I switch all the components to the 1080p29.97 format the fill and key outputs display as expected.

Guys at Renewed Vision claiming the UltraStudio 4K has a HW limitation that prevents it from being able to output an alpha key at 1080p59.95 or 1080p60.

The UltraStudio 4K supports the 1080p59.95 and 1080p60 formats, so I can't figure out why there would be a HW limitation associated with just the alpha key.

Anybody else run into this issue and found a work around other than reverting to a reduced frame rate?
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SimonLatus

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Re: Ultra Studio 4K Alpha Keyer Doesn't Support 1080p59.94

PostThu Dec 14, 2017 12:29 pm

Hi Brandon
I am having the same issue with an Ultrstudio HD mini. I can get a good key out of every framerate up until the 3G rates of 1080p50 -> 1080p60, where the key then becomes a lots of vertical white lines.
As your post was a year ago, did you ever resolve it?

Thanks
Simon
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Brandon Bradshaw

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Re: Ultra Studio 4K Alpha Keyer Doesn't Support 1080p59.94

PostFri Dec 15, 2017 6:36 pm

Simon,

Yes. My issue was ultimately resolved by an Ultra Studio 4K software update that fixed the issue. I can't remember which update it was, but you should be able to find it pretty easily in the release notes.

Sorry you're having trouble with the mini. I don't have any experience there.
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Stepimus

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Re: Ultra Studio 4K Alpha Keyer Doesn't Support 1080p59.94

PostTue Jul 10, 2018 4:42 pm

Hey Brandon,

I recently bought the alpha Keyer Module for pro presenter connected the Mac to the Ultra Studio 4k via HDMI then send the A & B to my ATEM Studio 4k via SDI. where do i set the Key and Fill on the Switcher.

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