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Anyone doing real time 4K workflows?

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James Wicks
Anyone doing real time 4K workflows?
on Nov 14, 2013 at 1:30:42 am

We're looking at upgrading our shop to 4K.
We use Resolve with the Big Control Surface an FSI grading monitor.

I’d be interested in knowing if anyone is grading in real time 4K.
Or, are you grading proxies?

I'd be most interested in knowing what physical changes you had to make to your color suite and equipment, and also what your client experiences have been since making the move to 4K.

Thanks.

Best, J

__________
James Wicks, Digital Colorist
West Palm Beach, Florida USA
http://www.jimwicks.com


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Margus Voll
Re: Anyone doing real time 4K workflows?
on Nov 14, 2013 at 12:05:50 pm

Mostly people go with Linux setup for full 4k i'd say.

Mad IO speeds for arrays and huge amount of gnu power.

Juan knows thing or two about it i bet.

--

Margus

http://iconstudios.eu
https://vimeo.com/iconstudioseu/videos

DaVinci 9, OSX 10.7.4
MacPro 5.1 2x2,93 24GB
GTX 470 / Quadro 4000
Multibridge 2 Pro


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Margus Voll
Re: Anyone doing real time 4K workflows?
on Nov 14, 2013 at 12:20:08 pm

Ok you got it already in LGG :D

--

Margus

http://iconstudios.eu
https://vimeo.com/iconstudioseu/videos

DaVinci 9, OSX 10.7.4
MacPro 5.1 2x2,93 24GB
GTX 470 / Quadro 4000
Multibridge 2 Pro


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EricBowen
Re: Anyone doing real time 4K workflows?
on Nov 14, 2013 at 5:15:23 pm
Last Edited By EricBowen on Nov 14, 2013 at 5:15:52 pm

Yes I have Film clients running Davinci with 4K and outputting DPX. This workflow really comes down to storage setup. 1 Client has a 16 Drive SAS array that averages 1.2 to 1.8GB/s for the film since volume size is requirement with the amount of Film media. The cheaper solution is 5x Crucial M500 960GB drives or more in Raid 5 with a LSI chip SAS raid controller. That will give you 1.8 to 3GB/s. Depending on the workflow and type of projects the volume size may be more than enough. If the source media is Red then you want a Dual Xeon. A single Xeon would work for DNG but a Dual is better. DPX itself is not intense processing so a single 6 Core can handle it. The ram space and Storage speed is key. These are all Win 7 systems so Windows or Linux can handle this easily.

Eric-ADK
Tech Manager
support@adkvideoediting.com


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Mike Most
Re: Anyone doing real time 4K workflows?
on Nov 15, 2013 at 8:22:42 pm

Define "4K." If you're talking about uncompressed image sequences, those require very fast storage subsystems and probably a Linux Resolve system to allow for more processing power than is available in a single computer chassis. However, for a lot of people these days, "4K" doesn't mean "uncompressed 4K image sequence." It means compressed 4K images in various wrappers - R3D files and 4K ProRes files being the most common. With R3D files, you can play those in real time at reduced debayer/resolution settings on pretty much any computer with a decent storage system. You can then render them at the full resolution when needed. With 4K Prores, any modern Mac can play those without much problem, and with rather modest storage requirements. So depending on what you mean by "4K", it can mean anything from common desktop setups to multi-chassis, SAN connected Linux systems.


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