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Search: Posts Made By: TomHuffman
Forum: Display Calibration   04-21-2015, 02:19 AM
Replies: 6,463
Views: 507,815
Posted By TomHuffman
Not in 3.0. This may be something we do in a...

Not in 3.0. This may be something we do in a subsequent point release.
Forum: Display Calibration   04-19-2015, 09:19 AM
Replies: 322
Views: 10,902
Posted By TomHuffman
It is fine with plasma. It shows none of the...

It is fine with plasma. It shows none of the repeatability problems on plasmas that the JETI 1201 suffers from.
Forum: Display Calibration   04-17-2015, 02:26 AM
Replies: 6,463
Views: 507,815
Posted By TomHuffman
I don't understand the first question. APL is the...

I don't understand the first question. APL is the average level for the entire screen, not just the background. I don't know what ARL stands for. In any case, the black backgrounds are 16. The APL...
Forum: Display Calibration   04-16-2015, 11:20 AM
Replies: 322
Views: 10,902
Posted By TomHuffman
What display is this and what sync setting are...

What display is this and what sync setting are you using?
Forum: Display Calibration   04-15-2015, 12:25 AM
Replies: 6,463
Views: 507,815
Posted By TomHuffman
Our calibration Blu-ray has this. So does...

Our calibration Blu-ray has this. So does Masicor's disc and I believe Ted's disc. Other discs have ColorChecker patterns, though the precise RGB values may be slightly different.
Forum: Display Calibration   04-15-2015, 12:21 AM
Replies: 322
Views: 10,902
Posted By TomHuffman
This method does not use XYZ. It uses xyz, which...

This method does not use XYZ. It uses xyz, which is a different color space.

It is quite standard. It is the same method ChromaPure uses. The method is described in this paper...
Forum: Display Calibration   04-14-2015, 02:05 AM
Replies: 322
Views: 10,902
Posted By TomHuffman
You would never have a 50 Hz input in N. America,...

You would never have a 50 Hz input in N. America, so this identifies a 72 Hz refresh rate sometimes (but not always) for 24p sources, which makes sense.

BTW, Pure is the Picture mode and Off,...
Forum: Display Calibration   04-13-2015, 11:28 PM
Replies: 322
Views: 10,902
Posted By TomHuffman
Sync detection is a sufficient condition for good...

Sync detection is a sufficient condition for good repeatability, but it isn't necessary. You can get very good repeatability from some display technologies without it. For example, here are 10...
Forum: Display Calibration   04-13-2015, 07:36 PM
Replies: 322
Views: 10,902
Posted By TomHuffman
I added a manufacturer's comment to my review...

I added a manufacturer's comment to my review (http://www.avsforum.com/forum/139-display-calibration/1630489-colorimetry-research-new-probes-display-calibration.html#post33253689) of the CR-250...
Forum: Display Calibration   04-13-2015, 05:56 PM
Replies: 322
Views: 10,902
Posted By TomHuffman
That's interesting. The CR-100 detects 60 Hz (or...

That's interesting. The CR-100 detects 60 Hz (or some multiple) every time.
Forum: Display Calibration   04-13-2015, 12:16 PM
Replies: 322
Views: 10,902
Posted By TomHuffman
Both plasmas and LG OLED's use 60 Hz in N....

Both plasmas and LG OLED's use 60 Hz in N. America, so this can simply be manually input.
Forum: Display Calibration   04-12-2015, 05:06 PM
Replies: 322
Views: 10,902
Posted By TomHuffman
I got this information directly from Colorimetry...

I got this information directly from Colorimetry Research. They do not recommend using auto-sync with the 250. This is something they discovered fairly recently.
Forum: Display Calibration   04-12-2015, 11:22 AM
Replies: 322
Views: 10,902
Posted By TomHuffman
That won't work, because the CR-250 does not...

That won't work, because the CR-250 does not support auto sync. In N. America 60 Hz will be the correct setting most of the time. In Europe 50 Hz.
Forum: Display Calibration   04-08-2015, 12:03 PM
Replies: 6,463
Views: 507,815
Posted By TomHuffman
No, it is just something I made up on the spur of...

No, it is just something I made up on the spur of the moment. I can include it in the built-in test patterns for v 3.
Forum: Display Calibration   04-08-2015, 12:27 AM
Replies: 6,463
Views: 507,815
Posted By TomHuffman
Something like this? ...

Something like this?

http://www.chromapure.com/increments.png
Forum: Display Calibration   04-07-2015, 11:35 AM
Replies: 6,463
Views: 507,815
Posted By TomHuffman
White balance errors are more serious than gamma....

White balance errors are more serious than gamma. Even relatively small white balance errors can be easily visible. Small deviations in gamma are not nearly as important.
Forum: Display Calibration   04-06-2015, 04:46 PM
Replies: 200
Views: 5,964
Posted By TomHuffman
Absolutely. I couldn't have said this better.

Absolutely. I couldn't have said this better.
Forum: Display Calibration   04-06-2015, 12:23 PM
Replies: 322
Views: 10,902
Posted By TomHuffman
At the current exchange rate, recalibration of...

At the current exchange rate, recalibration of the 1211 from the US costs about $750. However, round-trip shipping adds another 3-4 hundred.
Forum: Display Calibration   04-06-2015, 06:34 AM
Replies: 200
Views: 5,964
Posted By TomHuffman
I am trying real hard, really, really hard to...

I am trying real hard, really, really hard to keep this respectful, but you make it an almost impossible task. Why do you insist upon making definitive statements--almost always wrong--about things...
Forum: Display Calibration   04-06-2015, 03:07 AM
Replies: 6,463
Views: 507,815
Posted By TomHuffman
Yes, I have had this happen as well, and not just...

Yes, I have had this happen as well, and not just after auto-cal. As you say, it is fixed by an off/on switch on the Lumagen.
Forum: Display Calibration   04-05-2015, 08:14 PM
Replies: 322
Views: 10,902
Posted By TomHuffman
CR-250 Review

I have just published a review of the CR-250.

http://www.chromapure.com/newgear.asp
Forum: Display Calibration   04-05-2015, 09:43 AM
Replies: 6,463
Views: 507,815
Posted By TomHuffman
We do not execute any command that would affect...

We do not execute any command that would affect the aspect ratio settings. You might try doing a clean reinstall....
Forum: Display Calibration   04-04-2015, 11:23 PM
Replies: 200
Views: 5,964
Posted By TomHuffman
To get this potentially interesting subject back...

To get this potentially interesting subject back on track, I read the paper referenced below.
https://cias.rit.edu/media/uploads/gallery-projects/576/documents/21/donato_thesis_refwhite.pdf

It is...
Forum: Display Calibration   04-04-2015, 09:30 PM
Replies: 200
Views: 5,964
Posted By TomHuffman
I am about as far from a "PR person" as one can...

I am about as far from a "PR person" as one can be. I am the owner, founder, and designer of ChromaPure, and I also do all of the technical support, web development, and documentation. However, I...
Forum: Display Calibration   04-04-2015, 05:16 PM
Replies: 6,463
Views: 507,815
Posted By TomHuffman
It doesn't. If you select the Reset to Lumagen...

It doesn't. If you select the Reset to Lumagen Default option, then it may briefly look that way. Once the test patterns start it will be at 16:9.
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