Hardware needed for Mini 4.6k monitoring

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Tim van Zoeren

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Hardware needed for Mini 4.6k monitoring

PostWed Mar 29, 2017 2:28 pm

Alright, i've read like 20 threads and probably checked all the Decklinks and Intensity and Teranex models multiple times but i keep getting lost, so i'll try it a different way. A practical way.

Let's assume that i have some fullblown Ursa Mini's 4.6k50p RAW clips that i want to edit and grade in a UHD timeline in Resolve. Let's also assume i have 1) a LG B6 UHD 10bit OLED TV with 2.0a HDMI, 2) a LG 31MU97-B DCI 4K monitor and 3) a lame BENQ HD-monitor.

Now i want to use ideally the OLED TV as a reference monitor, the 31MU97-B for Resolve interface and the HD-screen for scopes. Other set-up could be the BENQ for interface and 31MU97-B for a reference monitor and leave the TV be.

Questions then:
  • What determines the output of the device (Decklink and the likes) i need for monitoring? The recorded files (4.6k) or the timeline in Resolve?
  • If I put the 50p clips in a 25p timeline, will i need a card that can output 2160p50 or 2160p25?
  • Likewise, if the timeline is 50p, will i need a card that can output 2160p50?
  • Both the LG's have HDMI-inputs. Which device(s) do i need for both (or either) if i want 2160p25/50 monitoring in Resolve? Some only have SDI-out, so then a converter is added to the mix...
  • Is it also possible to monitor in 1080p when using a UHD timeline, thereby reducing the amount i have to pay for a Decklink card. If so, will that cause extra load on my system? (handling the 4.6k files would be taxing as is)
To me the options and combinations appear infinite and i'm not well-versed enough (yet) to chain everything together...

Really appreciate any insights!
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Andrew Kolakowski

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Re: Hardware needed for Mini 4.6k monitoring

PostWed Mar 29, 2017 8:29 pm

LG (or other OLEDs are nice and good for home), but for accuracy better to get Panasonic 4K TV based on LCD panel (eg. http://www.hdtvtest.co.uk/news/tx58dx90 ... 174282.htm ). They calibrate way better. OLEDS still have issues when it comes to high accuracy.

Well- there is some hope for OLEDs:

http://www.hdtvtest.co.uk/news/ez1000-201701044396.htm
Last edited by Andrew Kolakowski on Wed Mar 29, 2017 8:40 pm, edited 1 time in total.
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Tim van Zoeren

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Re: Hardware needed for Mini 4.6k monitoring

PostWed Mar 29, 2017 8:32 pm

Andrew Kolakowski wrote:LG (or other OLEDs are nice and good for home), but for accuracy better to get Panasonic 4K TV based on LCD panel. They calibrate way better. OLEDS still have issues when it comes to high accuracy.

Noted, thanks! Choice for monitor aside, do you have answers on my other questions?
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Andrew Kolakowski

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Re: Hardware needed for Mini 4.6k monitoring

PostWed Mar 29, 2017 8:46 pm

LG is not bad (I've seen it in real life).
Other option is to get Eizo CG318 instead of TV. This is great monitor, but fairly expensive.
It depends if you want big TV experience preview or more closer, monitor one.

For GUI one of the Dells would be good compromise between quality/money.
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Andrew Kolakowski

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Re: Hardware needed for Mini 4.6k monitoring

PostWed Mar 29, 2017 10:17 pm

  • What determines the output of the device (Decklink and the likes) i need for monitoring? The recorded files (4.6k) or the timeline in Resolve? None of those, but Resolve monitoring setting
  • If I put the 50p clips in a 25p timeline, will i need a card that can output 2160p50 or 2160p25? -project fps, not source fps, but can be also none of those
  • Likewise, if the timeline is 50p, will i need a card that can output 2160p50? - Yes, if you want 50p preview. It should be possible to have 50p timeline, but just 25p preview.
  • Both the LG's have HDMI-inputs. Which device(s) do i need for both (or either) if i want 2160p25/50 monitoring in Resolve? Some only have SDI-out, so then a converter is added to the mix...this may be tricky. You need HDMI 2.0 for 50/60p UHD support. With 4K TV this should work fine over HDMI 2.0 (assuming you have correct BM card), but with Eizo or LG monitor this is going be difficult (their HDMI ports are not 2.0). The only way is to have BM 4K Extreme 12G card with 4x SDI output board+Apantec SDI to DP 1.2 converter and use DP port input on Eizo/LG (this been verified with Eizo monitor)
  • Is it also possible to monitor in 1080p when using a UHD timeline, thereby reducing the amount i have to pay for a Decklink card. If so, will that cause extra load on my system? (handling the 4.6k files would be taxing as is) -99% sure, you just set monitoring format in Resolve to HD


You will need quite powerful machine for 4K 50/60p. Resolve is resource hog.
Mixing fps is ok if you stay with 25/50 (or 30/60). Mixing different time base (eg. 25 and 30) will prove to be a nightmare, so avoid this!
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Tim van Zoeren

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Re: Hardware needed for Mini 4.6k monitoring

PostWed Mar 29, 2017 11:17 pm

Andrew Kolakowski wrote:
  • What determines the output of the device (Decklink and the likes) i need for monitoring? The recorded files (4.6k) or the timeline in Resolve? None of those, but Resolve monitoring setting
  • If I put the 50p clips in a 25p timeline, will i need a card that can output 2160p50 or 2160p25? -project fps, not source fps, but can be also none of those
  • Likewise, if the timeline is 50p, will i need a card that can output 2160p50? - Yes, if you want 50p preview. It should be possible to have 50p timeline, but just 25p preview.
  • Both the LG's have HDMI-inputs. Which device(s) do i need for both (or either) if i want 2160p25/50 monitoring in Resolve? Some only have SDI-out, so then a converter is added to the mix...this may be tricky. You need HDMI 2.0 for 50/60p UHD support. With 4K TV this should work fine over HDMI 2.0 (assuming you have correct BM card), but with Eizo or LG monitor this is going be difficult (their HDMI ports are not 2.0). The only way is to have BM 4K Extreme 12G card with 4x SDI output board+Apantec SDI to DP 1.2 converter and use DP port input on Eizo/LG (this been verified with Eizo monitor)
  • Is it also possible to monitor in 1080p when using a UHD timeline, thereby reducing the amount i have to pay for a Decklink card. If so, will that cause extra load on my system? (handling the 4.6k files would be taxing as is) -99% sure, you just set monitoring format in Resolve to HD


Awesome, thanks so much! This is exactly what i was looking for and clears up so many things.

One follow-up question though: when would someone monitor in 50p? Since it's mostly for grading, i can imagine that the more fluent images don't really matter much.
You will need quite powerful machine for 4K 50/60p. Resolve is resource hog.
Mixing fps is ok if you stay with 25/50 (or 30/60). Mixing different time base (eg. 25 and 30) will prove to be a nightmare, so avoid this!

Tell me about it. My current i7 4790 / 1070 GPU / 16gb RAM (needs more) system is crying when i feed it 4.6k full RAW... Looking into upgrades, but i can't really find solid requirements for playing back 4.6K RAW without proxies.
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Andrew Kolakowski

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Re: Hardware needed for Mini 4.6k monitoring

PostWed Mar 29, 2017 11:22 pm

For the actual grading monitoring 50p as 25p should be fine.
If you make 50p master you may want to see how it looks at 50p so then you need 50p monitoring.
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Andrew Kolakowski

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Re: Hardware needed for Mini 4.6k monitoring

PostThu Mar 30, 2017 9:35 am

Tim van Zoeren wrote:Tell me about it. My current i7 4790 / 1070 GPU / 16gb RAM (needs more) system is crying when i feed it 4.6k full RAW... Looking into upgrades, but i can't really find solid requirements for playing back 4.6K RAW without proxies.


Not sure. Maybe overcooked i7 6950x+GTX 1080/Ti? There are people with such a system, so try asking :)
Check load in your current system: is CPU pushed above 50%? What about GPU load?
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Tim van Zoeren

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Re: Hardware needed for Mini 4.6k monitoring

PostThu Mar 30, 2017 10:53 am

Andrew Kolakowski wrote:
Tim van Zoeren wrote:Tell me about it. My current i7 4790 / 1070 GPU / 16gb RAM (needs more) system is crying when i feed it 4.6k full RAW... Looking into upgrades, but i can't really find solid requirements for playing back 4.6K RAW without proxies.


Not sure. Maybe overcooked i7 6950x+GTX 1080/Ti? There are people with such a system, so try asking :)
Check load in your current system: is CPU pushed above 50%? What about GPU load?

This is when looping a 15s 4.6k full RAW clip on full preview, so yeah. ;)

Image
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Andrew Kolakowski

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Re: Hardware needed for Mini 4.6k monitoring

PostThu Mar 30, 2017 12:21 pm

And are you close to realtime in Resolve/Premiere?

Based on this I would assume (but rather assume) that overclocked 6900K or 6950x should have no problem in terms of needed CPU power. When it comes to GPU that would depend how heavy grading are you doing. Not very complex should work on GTX 1080 Ti, for more probably better to get 2x GTX 1080. It would be not anymore about DNG format (as CPU can deal with it), but more about overall GPU needs for 4K source.

Piotr Wozniacki uses i7-5960X with dual GTX 1080 and he works with Sony 4K 50p, so I assume CPU should not be a problem here. Overclocked 6950x should have plenty headroom.
It's more now question of GPU.
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Tim van Zoeren

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Re: Hardware needed for Mini 4.6k monitoring

PostThu Mar 30, 2017 12:49 pm

Andrew Kolakowski wrote:And are you close to realtime in Resolve/Premiere?
Not even a little bit. Fast CinemaDNG showed 15fps for the source-clip alone. I shudder to think about adding grades/effects.
Based on this I would assume (but rather assume) that overclocked 6900K or 6950x should have no problem in terms of needed CPU power. When it comes to GPU that would depend how heavy grading are you doing. Not very complex should work on GTX 1080 Ti, for more probably better to get 2x GTX 1080. It would be not anymore about DNG format (as CPU can deal with it), but more about overall GPU needs for 4K source.

Piotr Wozniacki uses i7-5960X with dual GTX 1080 and he works with Sony 4K 50p, so I assume CPU should not be a problem here. Overclocked 6950x should have plenty headroom.
It's more now question of GPU.

Alright, at least i have an horizon to move towards. ;) Thanks! Probably stick with proxies or Resolves 'optimized media' then, for now.
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Andrew Kolakowski

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Re: Hardware needed for Mini 4.6k monitoring

PostThu Mar 30, 2017 1:23 pm

Resolve is not budget friendly solution and fact that it's FREE doesn't help that much :)
You may have more luck with Scratch.

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