2K and 4K Clibration

2K and 4K Clibration

This topic has 5 replies, 3 voices, and was last updated 8 years, 7 months ago by Anonymous.

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February 6, 2016 at 4:05 pm #774

Anonymous
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Where can I find Contrast and brightness pattern for 2K and 4K calibration?
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February 6, 2016 at 7:26 pm #3164

Anonymous
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http://www.videoessentials.com/dve-uhd.html

February 7, 2016 at 5:44 am #3165

Anonymous
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Can we use Rec.709 for calibrating 2K and 4K projectors?

February 7, 2016 at 5:45 am #3166

Anonymous
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@Alan Brown 4398 wrote:

http://www.videoessentials.com/dve-uhd.html

Thank you Alan.
I only see 4K patterns,what about 2K?

February 8, 2016 at 8:29 am #3167

Gregg Loewen
Keymaster

hi Amir…it depends on what the source is…..as of right now….
pretty much all 4K is at rec 709 with Gamma of 2.4 (BT1886).
HDR does not exist in 1080p, only in UHD. HDR specifies a larger gamut than 709 but it is not yet standardized.

February 10, 2016 at 8:03 am #3168

Anonymous
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Thank you Gregg.
For 4K and 2K calibration with Rec.709 do we have to change the software settings?How software detect we are calibrating a HD or 4K projector?my mean is the test patterns that use for measuring are the same while working with any dispaly resolutions?
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