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Decklink Extreme 4K cant play Premiere CC RED 4K UHD timelines out to 1080p?!?!

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Mel Matsuoka
Decklink Extreme 4K cant play Premiere CC RED 4K UHD timelines out to 1080p?!?!
on Oct 23, 2013 at 10:52:05 pm

Anyone know what the secret sauce™ is to get my 4K UHD Premiere CC timelines (3840x2160) out to my 1080p monitor via the Decklink 4K Extreme HDMI/SDI outputs? I've tried every damn combination of Premiere sequence settings, Mercury Transmit settings, Decklink prefpane settings, etc, and I just cant get this damn card to downconvert these timelines so that I can edit native 4K RED sequences with 1080p playback on my external monitor.

Its frustrating, because all of our 7 year old AJA Kona3 cards can play these same sequences out to the same 1080p monitor with realtime downconversion. I just cant do the same on my Decklink system.

I know I can just paste the 4k sequence contents into a 1080p sequence, but its a really annoying workaround, because I have to resize any graphics that were placed in the 4k timeline...and besides, my stubborn self refuses to admit that a 7 year old Kona3 card can play the 4k sequences fine, but my 1 month old Decklink 4K Extreme card cant. Any help or advice is appreciated.

I'm running Premiere Pro CC, Decklink 9.8.1 drivers, Decklink 4K Extreme on an 8-core 2010 Mac Pro, with 2x GTX570 cards and REDRocket card.



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Alex Gerulaitis
Re: Decklink Extreme 4K cant play Premiere CC RED 4K UHD timelines out to 1080p?!?!
on Oct 24, 2013 at 8:51:38 pm
Last Edited By Alex Gerulaitis on Jan 8, 2014 at 6:28:45 pm

It's actually strange that Kona 3 does it. Both Decklink 4K Extreme and Kona 3G list cross-conversion options as 720 to 1080 and back but not anything 4K. Seems that 4K can't be downconverted on either, at least according to specs?


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Mel Matsuoka
Re: Decklink Extreme 4K cant play Premiere CC RED 4K UHD timelines out to 1080p?!?!
on Oct 24, 2013 at 9:12:00 pm

I'm guessing this is a problem with Decklink's support for Premiere's Mercury Transmit integration. I would have to assume the card is fully capable of this downconversion (Resolve doesn't have a problem downconverting the same 4K R3D sequences to 1080p on the fly), but BMD's implementation with Adobe products is still incomplete.

Major bummer, to say the least.



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EricBowen
Re: Decklink Extreme 4K cant play Premiere CC RED 4K UHD timelines out to 1080p?!?!
on Oct 30, 2013 at 6:59:16 pm

Premiere Pro CC or CS6 will not scale a 4K timeline down to a lower res monitor on an I/O card. Premiere will only do this with video cards. I know the Blackmagic 4K card cant do this since they leave it for Premiere to scale. I wasn't aware any Aja card could as well.

Eric-ADK
Tech Manager
support@adkvideoediting.com


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