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Color Calibration Problem QLED Q95T with i1Pro2 / ChromaPure

 
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NeXXoc




Joined: 18 Oct 2021
Posts: 3
Location: Hannover, Germany

TV/Projector: Beamer Sony VW570es


PostLink    Posted: Tue Oct 19, 2021 12:33 am    Post subject: Color Calibration Problem QLED Q95T with i1Pro2 / ChromaPure Reply with quote


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Hi everyone,

Sorry for my English, I'm from Germany (thanks to Google) Wink

I am trying to perform a color comparison on my Q95T with moderate success and would be very happy to receive your tips here.
With the Q95T I can only do the adjustment per color via RGB, my main problem is the color blue, which contains too much red.
I can change what I want the red component in blue does not change !
(You can see the comparison as an attachment)

What can that be ?

Is that normal with QLED?
Is it because of my sensor in connection with QLED technology?
Or or ... ???

Is there perhaps someone who has also calibrated a QLED.
It could not be ruled out that I did something wrong.

I would be grateful for any help ...

Regards Thomas
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kal
Forum Administrator



Joined: 06 Mar 2006
Posts: 17430
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Tue Oct 19, 2021 1:52 am    Post subject: Reply with quote

Hi!

I've forwarded your questions to ChromaPure support as they are best positioned to assist with their software. They'll most likely reply here.

Cheers!

Kal

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TomHuffman




Joined: 01 Jun 2010
Posts: 75
Location: Springfield, MO


PostLink    Posted: Tue Oct 19, 2021 1:58 am    Post subject: Reply with quote

The problem is that Blue is undersaturated. A CMS can only desaturate colors. It cannot add saturation.
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kal
Forum Administrator



Joined: 06 Mar 2006
Posts: 17430
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Tue Oct 19, 2021 12:35 pm    Post subject: Reply with quote

What's the solution (if there is one) in this case? To lower the output on red and green? Assuming it doesn't completely reduce the light output too far? I suppose it's a balancing act. In other words, how far do you want to reduce output to have a flat response?

Kal

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NeXXoc




Joined: 18 Oct 2021
Posts: 3
Location: Hannover, Germany

TV/Projector: Beamer Sony VW570es


PostLink    Posted: Tue Oct 19, 2021 3:29 pm    Post subject: Reply with quote

Hi,

Thanks for your explanation ...

I wasn't sure where the error was, because I was able to adjust the other colors via RGB !
In the case of blue, the red correction does not react at all, so it seems to be preset to a certain value and it does not allow me to change anything ...

If that is the case, I can live with it, then I will probably only get an improvement with another preset, so I'll look again...

It is my first experience with a Samsung LED television, previously I had a Panasonic VT50 plasma and there I was able to adjust all colors with HSL ...
So I was amazed when he showed no reaction to blue (red correction).

Regards
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kal
Forum Administrator



Joined: 06 Mar 2006
Posts: 17430
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Wed Oct 20, 2021 2:00 am    Post subject: Reply with quote

NeXXoc, if you have follow up questions for ChromaPure support it's probably best you email them directly at support@ChromaPure.com as they do not follow this forum very closely. You'll get much faster responses that way. Cheers!

Kal

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NeXXoc




Joined: 18 Oct 2021
Posts: 3
Location: Hannover, Germany

TV/Projector: Beamer Sony VW570es


PostLink    Posted: Wed Oct 20, 2021 9:54 pm    Post subject: Reply with quote

Hi,

I have accessed the forum several times, but not registered.
That's why I've sent you something to thank you for it.

Well, I'll contact ChromaSupport directly in the future.

Regards
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kal
Forum Administrator



Joined: 06 Mar 2006
Posts: 17430
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Wed Oct 20, 2021 11:46 pm    Post subject: Reply with quote

Certainly! We are here to help and want to make sure you get assistance in the simplest way for you. Good luck!

Kal

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