full hd files projected on 4k monitor has a very bad quality

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davide93
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full hd files projected on 4k monitor has a very bad quality

Post by davide93 »

Hi there,
I don't know if there is something I can tweak but I'm in a situation I need to play full HD stuff and the output is a 4k huge monitor.
The projections appear made of squares.
Please take a look at the attachments, you will see the difference between premiere and resolume output
using the same file.
Please let me know if there is anything I can do to improve the quality,
apart to export all the materials in 4k of course :)

I look forward to hearing from you,

Davide
Attachments
RESOLUME_.JPG
PREMIERE.jpg

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Oaktown
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Re: full hd files projected on 4k monitor has a very bad quality

Post by Oaktown »

Can you share one of your HD files?

Zoltán
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Re: full hd files projected on 4k monitor has a very bad quality

Post by Zoltán »

Set the windows display scaling for that monitor to 100%.
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davide93
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Re: full hd files projected on 4k monitor has a very bad quality

Post by davide93 »

Hi Zoltán,
where exacyly I should do that?
Thank you!!!
Davide
Zoltán wrote:
Thu Oct 11, 2018 05:47
Set the windows display scaling for that monitor to 100%.

Zoltán
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Re: full hd files projected on 4k monitor has a very bad quality

Post by Zoltán »

It's in Windows Display settings.
This video also explains what happens quite good:
phpBB [video]
Theatre sound engineer, photographer, programmer, aka ravensc.
Control Your show with ”Enter” - multiple Resolume servers at once - SMPTE/MTC column launch
try for free: http://programs.palffyzoltan.hu
VJ footage: https://goo.gl/58oHy7

davide93
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Re: full hd files projected on 4k monitor has a very bad quality

Post by davide93 »

Got it!!!!!!
Thank you so much Zoltán!!!!!!!!!!!!!!!!
Have a wonderful day,

Davide

Zoltán
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Re: full hd files projected on 4k monitor has a very bad quality

Post by Zoltán »

now I notice "full hd" on 4k display,
They are already upscaled by Resolume, so you'll see some artifacts from that too.
Display scaling helps you more with 4k on 4k to not have blocking.
What was your display scaling set to, and do you see improvement with it at 100%?
Theatre sound engineer, photographer, programmer, aka ravensc.
Control Your show with ”Enter” - multiple Resolume servers at once - SMPTE/MTC column launch
try for free: http://programs.palffyzoltan.hu
VJ footage: https://goo.gl/58oHy7

davide93
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Joined: Fri Jan 25, 2013 19:00

Re: full hd files projected on 4k monitor has a very bad quality

Post by davide93 »

Zoltán, setting it at 100% is simply perfect!!!!!!
Your suggestion worked 10000000%
:)

THANK YOU!!!!

Zoltán
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Re: full hd files projected on 4k monitor has a very bad quality

Post by Zoltán »

davide93 wrote:
Thu Oct 11, 2018 17:31
Zoltán, setting it at 100% is simply perfect!!!!!!
Your suggestion worked 10000000%
:)

THANK YOU!!!!
Awesome!
Theatre sound engineer, photographer, programmer, aka ravensc.
Control Your show with ”Enter” - multiple Resolume servers at once - SMPTE/MTC column launch
try for free: http://programs.palffyzoltan.hu
VJ footage: https://goo.gl/58oHy7

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Oaktown
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Re: full hd files projected on 4k monitor has a very bad quality

Post by Oaktown »

Zoltan wrote:They are already upscaled by Resolume, so you'll see some artifacts from that too.
if the scaling is an even multiplier such as HD (1920x1080) to UHD (3840x2160), there shouldn't be artifacts since every pixel would be doubled in both directions. 1 red pixel would become 4 red pixels and there would no visual enhancement to the low-rez file (HD) when viewed on a UHD screen.

As a note I'm using UHD (3840x2160) and not 4K (4096x2160 in my world) because I'm assuming that what Davide meant .

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