Official LG 84LM9600 (Ultra HD 4K) Owners' Thread - Page 46 - AVS Forum | Home Theater Discussions And Reviews
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post #1351 of 1352 Old 02-11-2017, 09:20 PM
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Hdr

Hi BC,

Assume as you are connected to PC that you are connected to HDMI 2. This supports HDR, but not HDCP 2.2 .

I am only using HDMI 1, and Picture setting to enable/disable HDR is greyed out.

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Originally Posted by bryan_chow View Post
I'm a bit confused by HDR. I use the TV connected to a HTPC and Nvidia tells me it has HDR and the TV has a HDR setting as well.
Think of HDR as like turning up brightness of TV up full, but without washing out blacks to greys, rather it provides greater luminescence across entire colour range. To provide this extended range you need to have extra bits (ie going from 8 bits per RGB channel to 10/12 bits per RGB).

If display did not have ability to achieve greater level of luminescence then then none of this would matter. Like an old cathode TV with burnt out phosphor, when you have to turn up brightness to max just to get enough light to see picture.

Cheers,

Zebity.

Last edited by zebity; 02-11-2017 at 11:26 PM.
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post #1352 of 1352 Old Yesterday, 06:38 PM
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Quote:
Originally Posted by zebity View Post
Hi BC,

Assume as you are connected to PC that you are connected to HDMI 2. This supports HDR, but not HDCP 2.2 .

I am only using HDMI 1, and Picture setting to enable/disable HDR is greyed out.
I am using HDMI 2, which is the only input that supports 4K at 60 FPS (which is what I'm running it at).
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