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Search: Posts Made By: TomHuffman
Forum: Display Calibration   07-04-2015, 01:24 AM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
The Spyder meter is ALWAYS the same. Only the...

The Spyder meter is ALWAYS the same. Only the software changes.
Forum: Display Calibration   07-03-2015, 10:14 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
Yes.

Yes.
Forum: Display Calibration   07-03-2015, 10:13 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
Same hardware, different software.

Same hardware, different software.
Forum: Display Calibration   07-03-2015, 10:08 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
In your case, the Sony 4K projector is quite...

In your case, the Sony 4K projector is quite accurate in the Reference preset. All it needs is a grayscale calibration and the Sony has a decent white balance control. For a more detailed calibration...
Forum: Display Calibration   07-01-2015, 07:43 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
Try again.

Try again.
Forum: Display Calibration   07-01-2015, 01:50 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
See our Support page ...

See our Support page
http://www.chromapure.com/support.asp
for a fix for this.
Forum: Display Calibration   06-30-2015, 03:19 AM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
Yes, that's the one I referred to that was off by...

Yes, that's the one I referred to that was off by 7.6%. That is just not that bad. In any case, the dE figure is what you should focus on rather than a single component. BTW, you can raise color...
Forum: Display Calibration   06-30-2015, 01:47 AM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
First, if you are getting poor results with 2.4,...

First, if you are getting poor results with 2.4, then you should post screen shots showing this. I can only comment on the screenshots you did post and they didn't show any issues.

Second, I don't...
Forum: Display Calibration   06-30-2015, 01:23 AM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
I guess I don't understand. Your average CIE94...

I guess I don't understand. Your average CIE94 error for skin tones is 1.2. That's really all you need to concern yourself with and that's a very good number. Even the luminance error is just 7.6%....
Forum: Display Calibration   06-27-2015, 10:18 AM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
Sure. If your contrast setting resulted in not...

Sure. If your contrast setting resulted in not being able to see some of the bars in the white PLUGE test pattern, then that means that contrast was set too high. Lowering contrast would reveal those...
Forum: Display Calibration   06-25-2015, 08:39 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
You weren't by any case using the meter's...

You weren't by any case using the meter's diffuser when facing the screen? I might expect some improvement when correctly doing a lens calibration. I wouldn't expect the kind of dramatic...
Forum: Display Calibration   06-25-2015, 08:19 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
A much higher amount of light gets into the...

A much higher amount of light gets into the meter, which allows it to spend more time in its ideal operating range.
Forum: Display Calibration   06-23-2015, 04:49 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
I don't understand. If you getting 23 fL and 14...

I don't understand. If you getting 23 fL and 14 fL is the reference luminance, then you can lower your contrast quite a bit and still stay within that window.
Forum: Display Calibration   06-23-2015, 01:39 PM
Replies: 25
Views: 496
Posted By TomHuffman
If you never see anything below black that just...

If you never see anything below black that just means that your video source (Blu-ray player, video card, etc.) does not pass blacker-than-black in the video mode. It is not that uncommon.

It...
Forum: Display Calibration   06-23-2015, 12:51 PM
Replies: 25
Views: 496
Posted By TomHuffman
The typical PLUGE has 16 as its background, so...

The typical PLUGE has 16 as its background, so you are not supposed to see 16. The key issue is can you see just-below (14) or just-above (18) against the 16 background.
Forum: Display Calibration   06-22-2015, 10:19 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
Note to those using Meter Correction on Projectors

I have previously suggested that projector users can use the Meter Correction module to take a reference reading from the screen and a field reading from the lens. Then you can calibrate using the...
Forum: Display Calibration   06-22-2015, 08:44 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
14 fL is the target luminance so you have a lot...

14 fL is the target luminance so you have a lot of room here. Try lowering it. If this doesn't fix the problem, then I agree that it is a PJ problem. You might want to display a full field test...
Forum: Display Calibration   06-22-2015, 07:27 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
No, if it is measuring close to 2.2, then that's...

No, if it is measuring close to 2.2, then that's fine.

On a test image where you see the problem, try lowering the contrast control one click at a time. You may find a sweet spot where the pink...
Forum: Display Calibration   06-22-2015, 07:18 PM
Replies: 25
Views: 496
Posted By TomHuffman
OK, I am not wedded to 17 either, as I...

OK, I am not wedded to 17 either, as I sometimes--depending on the display--find it difficult to distinguish from 16. However, I have never encountered that problem with 18.
Forum: Display Calibration   06-22-2015, 06:36 PM
Replies: 25
Views: 496
Posted By TomHuffman
OK, to be clear then, what exactly is being said...

OK, to be clear then, what exactly is being said here? Perhaps my argument is with Sotti rather than you, but I think that a fair reading of his post--which you said you agreed with--was that when...
Forum: Display Calibration   06-22-2015, 06:28 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
This is usually gamma-related. What gamma did you...

This is usually gamma-related. What gamma did you select?
Forum: Display Calibration   06-22-2015, 06:27 PM
Replies: 6,626
Views: 519,907
Posted By TomHuffman
The chart will reset only those colors on the...

The chart will reset only those colors on the levels the reset command was given. This means to clear all of the colors you have to click Reset three times:
Baseline Colors
Primary Saturations...
Forum: Display Calibration   06-21-2015, 08:51 PM
Replies: 25
Views: 496
Posted By TomHuffman
This includes quite a bit of contingencies: given...

This includes quite a bit of contingencies: given a certain gamma and given certain display characteristics, there MAY be instances in which 17 is not visible, even with the correct black setting....
Forum: Display Calibration   06-21-2015, 05:22 PM
Replies: 25
Views: 496
Posted By TomHuffman
I want to say a lot more about this later, but...

I want to say a lot more about this later, but just off the top of my head this approach assumes two things I don't think we should quickly assume.
1. Determine what is a JND based on the difference...
Forum: Display Calibration   06-21-2015, 12:16 PM
Replies: 12
Views: 403
Posted By TomHuffman
That's a really interesting question. There are...

That's a really interesting question. There are two ways to go about this. One way, the way you just described, is to set color relative to an already gamma-calibrated white reference at the same...
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