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Forum: Display Calibration   05-19-2017, 01:42 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
1. Either CIE94 or CIEDE2000. I generally leave...

1. Either CIE94 or CIEDE2000. I generally leave it at the CIE94 default also. The differences are relatively small.
2. It makes a small adjust to the gamma target at low light levels to accommodate...
Forum: Display Calibration   05-19-2017, 01:38 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
It would be easy enough to change the text to...

It would be easy enough to change the text to black, which is fine by me.
Forum: OLED Technology and Flat Panels General   05-16-2017, 02:09 AM
Replies: 63
Views: 4,757
Posted By TomHuffman
Banding on LG OLEDs

The banding a lot of people are seeing on the LG OLEDs is apparently a bug in the image processing. If your UHD player has the relevant setting it can easily be fixed. Do not use YCbCr 4:2:0 or...
Forum: Display Calibration   05-15-2017, 11:51 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
Lumagen Pro and HDR

After speaking more with Lumagen, I received and successfully tested the method for generating HDR test patterns via rs-232.
This will be included in our next release, 3.1.5.
Auto-cal that uses...
Forum: Display Calibration   05-11-2017, 04:59 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
Your projector is not really HDR compliant....

Your projector is not really HDR compliant. Generally we expect 100 nits max output for HDR projectors.
Forum: Display Calibration   05-11-2017, 02:08 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
It doesn't require you to know any numbers, just...

It doesn't require you to know any numbers, just look at the graphs in CP and see if the real-time readings match the anticipated levels.

What changes is that the AccuPel will automatically put...
Forum: Display Calibration   05-11-2017, 01:59 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
There is no guessing involved. There are defined...

There is no guessing involved. There are defined luminance targets for HDR10 for all colors, assuming a specific 100% reference.
Here are the targets in cd/m2 for the HDR10 - Projector gamma...
Forum: Display Calibration   05-11-2017, 11:21 AM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
To be quite honest I am still waiting for...

To be quite honest I am still waiting for guidance from Lumagen on this--some documentation or a TechTip on doing a HDR/UHD calibration. I have requested this a couple of times.

What I can do is...
Forum: Display Calibration   05-11-2017, 06:22 AM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
I just tested a beta of Ryan's new test pattern...

I just tested a beta of Ryan's new test pattern suite against the AccuPel 6000.


The average difference in absolute luminance between the AccuPel and the disc is 0.75 cd/m2.
The average...
Forum: Display Calibration   05-08-2017, 12:17 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
I have had a couple of reports in the last few...

I have had a couple of reports in the last few days of a problem that is not exactly a bug, but is a system limitation that users should be aware of.

Sometimes when a user has a large number of...
Forum: Display Calibration   05-07-2017, 12:31 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
ChromaPure Plus and ChromaPure Professional.

ChromaPure Plus and ChromaPure Professional.
Forum: Display Calibration   05-06-2017, 09:53 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
AccuPel 6000 and HDR

I have added a couple of demos to the ChromaPure AccuPel page that explain how to perform HDR calibrations using the AccuPel 6000 both with and without ChromaPure.
...
Forum: Display Calibration   05-06-2017, 09:50 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
A report simply reflects the data that is...

A report simply reflects the data that is measured in the session. If you run a report and see that there is something you wish to change


Close the report module.
Open the module that...
Forum: Display Calibration   05-03-2017, 01:41 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
Because we have combined the Gamut with the...

Because we have combined the Gamut with the Saturations into one module, there is going to have to be a change to the application AND to the disc. Current owners of the disc will be entitled to a...
Forum: Display Calibration   05-02-2017, 10:59 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
Download this file ...

Download this file
http://www.chromapure.com/Report.xls
and save into the ChromaPure installation folder (make sure that ChromaPure is closed)
C:\Program Files (x86)\Display Calibrations...
Forum: Display Calibration   05-02-2017, 10:56 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
I just uploaded a new beta. Uninstall your...

I just uploaded a new beta. Uninstall your current version and install this.
Forum: Display Calibration   04-30-2017, 08:35 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
You ALWAYS have to uninstall an older version...

You ALWAYS have to uninstall an older version before installing a newer version.

3.1.5 will be out in a couple of weeks.
Forum: Display Calibration   04-30-2017, 08:15 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
Yes, I have given it some thought, but I just...

Yes, I have given it some thought, but I just don't see how it is economically feasible for us. Compared to the amount of money we could offer as a trade-in credit, users would be better off just...
Forum: Display Calibration   04-30-2017, 08:13 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
This was not based on a desire to cater to any...

This was not based on a desire to cater to any particular group of users. It was just an oversight. It is a simple matter to re-order the colors in the saturations module to match the disc. We'll...
Forum: Display Calibration   04-28-2017, 02:10 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
AccuPel now available for order

The long-delayed AccuPel 6000 will start shipping early next week. One of the consequences of this is that I will now have an HDR reference that I can use for testing. This will greatly enhance my...
Forum: Display Calibration   04-28-2017, 02:07 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
I have had it

By far and away the most common technical support request I get is unusual behavior or start-up errors caused by a corrupted settings file. Until now, I have provided advice on how to fix the issue,...
Forum: Display Calibration   04-27-2017, 12:53 AM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
It doesn't matter what you use for the white...

It doesn't matter what you use for the white measurement, because in HDR mode, the system doesn't actually measure the value for white. It hard codes 10,000 nits for HDR10 and 4,000 nits for HDR10-...
Forum: Display Calibration   04-26-2017, 09:16 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
Reference White is hard coded at 100% regardless...

Reference White is hard coded at 100% regardless of what color intensity you select.
Forum: Display Calibration   04-26-2017, 05:36 PM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
Only use the Slow Mode when you want to measure...

Only use the Slow Mode when you want to measure black level. The best example is when you want to measure on/off contrast.

This question referred to the Brightness and Contrast Built-in test...
Forum: Display Calibration   04-26-2017, 12:07 AM
Replies: 1,048
Views: 45,485
Posted By TomHuffman
That option shouldn't even be there. It is...

That option shouldn't even be there. It is intended for Raw Data only. We'll remove it.
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