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Forum: Display Calibration   07-20-2014, 11:22 AM
Replies: 5
Views: 332
Posted By Light Illusion
Have you had a look at this info? It may help. ...

Have you had a look at this info? It may help.

http://www.lightillusion.com/direct_hdmi.html

Steve
Forum: Display Calibration   07-19-2014, 01:28 PM
Replies: 72
Views: 5,105
Posted By Light Illusion
Poor ambient lighting has the indirect effect of...

Poor ambient lighting has the indirect effect of lifting blacks, which means that is the last thing you want to do to try to compensate for the poor viewing environment.

:(
Forum: Display Calibration   07-18-2014, 02:28 AM
Replies: 72
Views: 5,105
Posted By Light Illusion
If calibrated correctly all you will see is...

If calibrated correctly all you will see is lifted blacks, based on the absolute minimum the display can generate.
The relative grey scale will be the same - no crushing.

Simples :D

But...
Forum: Display Calibration   07-18-2014, 01:30 AM
Replies: 72
Views: 5,105
Posted By Light Illusion
With any calibration, using any target formula,...

With any calibration, using any target formula, there is no reason for any image crushing at all, if the correct calibration approach/workflow is used.

Crushing (or clipping for that matter)...
Forum: Display Calibration   05-29-2014, 04:05 PM
Replies: 22
Views: 773
Posted By Light Illusion
I have multiple laptops running XP, Win 7 and...

I have multiple laptops running XP, Win 7 and Win 8.1 - all LightSpace obviously.
All use Intel HD3000/4000 graphics chip sets, and all provide perfect HDMI output.

My main calibration laptop is...
Forum: Display Calibration   05-18-2014, 10:31 PM
Replies: 655
Views: 20,683
Posted By Light Illusion
The cube and 1D graph data is actually...

The cube and 1D graph data is actually normalised floating point, so will scale to the level of the image path you use - 0-255, 16-235, 0-1023, 64-940...

So yes, the error was basically totally...
Forum: Display Calibration   05-18-2014, 05:56 AM
Replies: 655
Views: 20,683
Posted By Light Illusion
After a bit of a delay, due to some urgent work...

After a bit of a delay, due to some urgent work for a major display manufacturer, we have at last got around to looking in detail at the evaluations Zoyd performed.
As per the message I sent him...
Forum: Display Calibration   05-17-2014, 03:18 AM
Replies: 2,509
Views: 136,444
Posted By Light Illusion
Larry, I agree with you too! ...

Larry, I agree with you too!

http://files.avsforum.com/images/smilies/biggrin.gif
Forum: Display Calibration   05-17-2014, 03:14 AM
Replies: 47
Views: 1,314
Posted By Light Illusion
Please note that BT1886 doesn't 'emulate CRT' by...

Please note that BT1886 doesn't 'emulate CRT' by default.
The CRT emulation is an annex to the the specification that most just ignore.

Steve
Forum: Display Calibration   05-16-2014, 08:12 AM
Replies: 2,509
Views: 136,444
Posted By Light Illusion
CRTs never had 'zero' blacks - that would give...

CRTs never had 'zero' blacks - that would give an infinite contrast ratio.
All the grade one CRTs we have ever measured had blacks in the region of 0.05 Nits.
Which is actually what a good LCD...
Forum: Display Calibration   05-07-2014, 12:12 AM
Replies: 19
Views: 1,494
Posted By Light Illusion
I'd suggest a read of this as the 'optimal'...

I'd suggest a read of this as the 'optimal' pre-LUT calibration of displays:

http://www.lightillusion.com/display_calibration.html

Steve
Forum: Display Calibration   04-28-2014, 10:05 AM
Replies: 550
Views: 20,536
Posted By Light Illusion
I think the major issue with the 'document' (I...

I think the major issue with the 'document' (I can't call it a 'paper, as no support documentation has been provided, as is standard with and paper presentation) is that Spectracal have gone out of...
Forum: Display Calibration   04-26-2014, 12:39 AM
Replies: 550
Views: 20,536
Posted By Light Illusion
The latest error correction has not been made to...

The latest error correction has not been made to the document, as per the link I sent you directly... this show the results to still be flawed and at best inaccurate, and at worse just marketing...
Forum: Display Calibration   04-25-2014, 02:52 PM
Replies: 550
Views: 20,536
Posted By Light Illusion
Quote:Originally Posted by...

Quote:Originally Posted by derekjsmith http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1462960/eecolor-processor-calman-3d-luts/390#post_24648136)

Two papers on CalMAN's...
Forum: Display Calibration   04-20-2014, 01:26 AM
Replies: 3
Views: 408
Posted By Light Illusion
Not answering your question directly, but we ran...

Not answering your question directly, but we ran many test on the Spyder probes when we integrated with them.

Our findings showed the probes to be very inaccurate, and not at all suitable for...
Forum: Display Calibration   04-14-2014, 12:50 AM
Replies: 0
Views: 132
Posted By Light Illusion
In partnership with our customers we have found,...

In partnership with our customers we have found, and Fujifilm have corrected, a problem with their HDMI output.

If you have an IS-mini please download a new firmware upgrade here:...
Forum: Display Calibration   04-12-2014, 11:16 PM
Replies: 27
Views: 542
Posted By Light Illusion
While Charles Poynton is technically correct, as...

While Charles Poynton is technically correct, as a professional in the film and TV industry I can confirm that we never use Y'UV, or Y'CbCr...
It is just about always written Y, without any quote...
Forum: Display Calibration   04-12-2014, 10:22 AM
Replies: 27
Views: 542
Posted By Light Illusion
The following is basically from a Digital Fact...

The following is basically from a Digital Fact Book I helped write the original version of many years back...

YUV is the convenient shorthand commonly – but incorrectly – used to describe the...
Forum: Display Calibration   04-02-2014, 12:31 AM
Replies: 713
Views: 26,991
Posted By Light Illusion
Please remember the 'Env Variable' is just for...

Please remember the 'Env Variable' is just for Beta Users.

Such tools require our beta user permission to use, as the tools may be detrimental to operation and need our direct support...
Forum: Display Calibration   03-26-2014, 04:32 PM
Replies: 471
Views: 24,348
Posted By Light Illusion
Ted, you have done an amazing amount of work -...

Ted, you have done an amazing amount of work - well done, and congratulations on what must be the most complete calibration disc available!
It really is an amazing tool for the enthusiast and...
Forum: Display Calibration   03-24-2014, 07:57 AM
Replies: 655
Views: 20,683
Posted By Light Illusion
LS already deals with such issues as ABL and...

LS already deals with such issues as ABL and display fatigue.
Unlike other calibration systems we do not expect or demand that profile patch readings are in a +ve order of reading value based on...
Forum: Display Calibration   03-20-2014, 06:51 AM
Replies: 655
Views: 20,683
Posted By Light Illusion
I will repeat what I said earlier - it is very...

I will repeat what I said earlier - it is very common for patches other than 'white' to measure with a higher luminance than the 'white' patch - especially in plasmas, as has been pointed out by...
Forum: Display Calibration   03-19-2014, 03:31 PM
Replies: 655
Views: 20,683
Posted By Light Illusion
There is nothing at all wrong with the LS...

There is nothing at all wrong with the LS profile.
The display is just displaying a brighter luminance with a patch that is not 'white'.
That's common with plasmas, and some LCD screens.
...
Forum: Display Calibration   03-16-2014, 03:25 PM
Replies: 655
Views: 20,683
Posted By Light Illusion
Yeah, the idea is to get the best pre-profiling...

Yeah, the idea is to get the best pre-profiling set-up with the least controls possible.
The 'best' can be accurate, or just close.
It all depends on the actual display.
But you do not want to...
Forum: Display Calibration   03-16-2014, 02:30 PM
Replies: 655
Views: 20,683
Posted By Light Illusion
Quote:Originally Posted by...

Quote:Originally Posted by PE06MCG http://www.avsforum.com/img/forum/go_quote.gif (http://www.avsforum.com/t/1517849/a-comparison-of-3dlut-solutions-for-the-eecolor-box/450#post_24490363)

Thanks...
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