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Display Calibration > The Official ChromaPure thread
ConnecTEDDD's Avatar ConnecTEDDD 02:59 PM 07-02-2014
Quote:
Originally Posted by Wouter73 View Post
Your mediaplayer can read iso files, so why not store the disc as an iso image for calibration?
Check if you Media Player can play Blu-Ray ISO files with Full Menu Navigation.... If it can play them with full menus then ask from Tom if he can provide you the Blu-Ray ISO Download instead of sending you the actual Blu-Ray Disk Copy.

ConnecTEDDD's Avatar ConnecTEDDD 03:03 PM 07-02-2014
Quote:
Originally Posted by hollisavrct View Post
Does anyone know if the calibration disc sold by ChromaPure is in MP4 format? I am using a WD TV Live Plus as my generator source and I have to use MP4 format. I have the GCD MP4 loaded onto my flash drive but the colors do not match up. I would buy the ChromaPure disc but I don't think it is in the right format. I own a Sencore VP403C but the colorchecker pattern is not on it.

Any ideas?
Thanks
hollisavrct
Hi, I have seen that ChromaPure Calibration Disc contains the ColorChecker Patterns and not the ColorChecker Skintones Patterns that came as a measuring feature of ChromaPure after the initial disk release.
hollisavrct's Avatar hollisavrct 04:32 PM 07-02-2014
Quote:
Originally Posted by ConnecTEDDD View Post
Hi, I have seen that ChromaPure Calibration Disc contains the ColorChecker Patterns and not the ColorChecker Skintones Patterns that came as a measuring feature of ChromaPure after the initial disk release.
So the disc does not have the correct pattern which means the only pattern that works is the built in one?

hollisavrct
ConnecTEDDD's Avatar ConnecTEDDD 04:40 PM 07-02-2014
Quote:
Originally Posted by hollisavrct View Post
So the disc does not have the correct pattern which means the only pattern that works is the built in one?

hollisavrct
ChromaPure software has 2 ColorChecker type of measurements:

ColorChecker Classic (24 Patches)

ColorChecker Skintones (16 Patches)

ChromaPure Calibration Disc has the required patterns for the ColorChecker Classic measurement.

Currenly, ColorChecker Skintones are not available inside that disk according to current version features list.

Of-course it has the correct RGB Triplets for each pattern in the ColorChecker Classic Chapter.
TomHuffman's Avatar TomHuffman 08:51 PM 07-02-2014
Quote:
Originally Posted by ConnecTEDDD View Post
ChromaPure software has 2 ColorChecker type of measurements:

ColorChecker Classic (24 Patches)

ColorChecker Skintones (16 Patches)

ChromaPure Calibration Disc has the required patterns for the ColorChecker Classic measurement.

Currenly, ColorChecker Skintones are not available inside that disk according to current version features list.

Of-course it has the correct RGB Triplets for each pattern in the ColorChecker Classic Chapter.
We released the Skin Tones update to ChromaPure AFTER we had released the disc. However, the disc has been subsequently updated. Existing users can get a new version on request.
TomHuffman's Avatar TomHuffman 08:57 PM 07-02-2014
Quote:
Originally Posted by hollisavrct View Post
Does anyone know if the calibration disc sold by ChromaPure is in MP4 format? I am using a WD TV Live Plus as my generator source and I have to use MP4 format. I have the GCD MP4 loaded onto my flash drive but the colors do not match up. I would buy the ChromaPure disc but I don't think it is in the right format. I own a Sencore VP403C but the colorchecker pattern is not on it.
In fact, the Sencore does not support any custom colors. That is, it only supports RGBYCMW at 21 levels of intensity. You'll need a more modern signal generator for this.

The disc is a standard Blu-ray.
hollisavrct's Avatar hollisavrct 03:44 AM 07-03-2014
Quote:
Originally Posted by TomHuffman View Post
In fact, the Sencore does not support any custom colors. That is, it only supports RGBYCMW at 21 levels of intensity. You'll need a more modern signal generator for this.

The disc is a standard Blu-ray.
Can I use the GCD disc?

Thanks
hollisavrct
TomHuffman's Avatar TomHuffman 04:25 AM 07-03-2014
Quote:
Originally Posted by hollisavrct View Post
Can I use the GCD disc?
You'll have to ask the author.
sanderdvd's Avatar sanderdvd 11:41 PM 07-04-2014
I bought the Chromapure package with a i1 Display 3 Upgraded (Pro) meter. I m going to use a 'HTPC CMS' solution (http://www.avsforum.com/forum/139-display-calibration/1471169-madvr-argyllcms-57.html#post25501642) but I need a ''meter correction file''. Did my Chromapure package came with a meter correction file? I can t find anything about this. All I have is a license file for Chromapure.
TomHuffman's Avatar TomHuffman 12:53 AM 07-05-2014
Quote:
Originally Posted by sanderdvd View Post
I bought the Chromapure package with a i1 Display 3 Upgraded (Pro) meter. I m going to use a 'HTPC CMS' solution (http://www.avsforum.com/forum/139-display-calibration/1471169-madvr-argyllcms-57.html#post25501642) but I need a ''meter correction file''. Did my Chromapure package came with a meter correction file? I can t find anything about this. All I have is a license file for Chromapure.
The corrections are built-in to the ChromaPure license file. You should have also gotten a calibration report that documents the corrections made. Presumably the information in this document can be used to generate a correction file for ArgyllCMS, but you'd have to ask them about this.
sanderdvd's Avatar sanderdvd 03:14 PM 07-12-2014
Which of the next 9 calibrations is the best when I want the best compromise between Greyscale, Gamma and Color Gamut?


CALIBRATION 1




CALIBRATION 2





CALIBRATION 3





CALIBRATION 4





CALIBRATION 5





CALIBRATION 6





CALIBRATION 7





CALIBRATION 8





CALIBRATION 9


mightyhuhn's Avatar mightyhuhn 03:55 PM 07-12-2014
gamma is really high but i think 8 is the best of them "low" DE and pretty steady gamma of ~2.46 did you aim for 2.5?
did you select random settings or why did you get so weired readings?
JimP 04:08 PM 07-12-2014
sanderdvd,

Which display or projector are you calibrating?
ConnecTEDDD's Avatar ConnecTEDDD 05:04 PM 07-12-2014
Quote:
Originally Posted by JimP View Post
sanderdvd,

Which display or projector are you calibrating?
sanderdvd,

use 4-Point Saturation + ColorChecker of ChromaPure next time you will measure, it will makes you easier to decide between different post-calibration reports.
sanderdvd's Avatar sanderdvd 10:42 PM 07-12-2014
Quote:
Originally Posted by mightyhuhn View Post
gamma is really high but i think 8 is the best of them "low" DE and pretty steady gamma of ~2.46 did you aim for 2.5?
did you select random settings or why did you get so weired readings?
Aimed for 2.4 gamma. What do you think about CALIBRATION 6?
sanderdvd's Avatar sanderdvd 10:43 PM 07-12-2014
Quote:
Originally Posted by jimp View Post
sanderdvd,

which display or projector are you calibrating?
jvc rs-49
sanderdvd's Avatar sanderdvd 10:43 PM 07-12-2014
Quote:
Originally Posted by ConnecTEDDD View Post
sanderdvd,

use 4-Point Saturation + ColorChecker of ChromaPure next time you will measure, it will makes you easier to decide between different post-calibration reports.
Where do I do this in CP?
Gordon Fraser's Avatar Gordon Fraser 02:31 AM 07-13-2014
Quote:
Originally Posted by sanderdvd View Post
Where do I do this in CP?
You use the ADVANCED COLOUR MANAGEMENT tab to see the multiple saturation levels and to set the luminance they are measured at. The reality is the colour gamut charts you post are pretty meaningless. They show accuracy of a handful of points at maximum saturation and stimulus levels. Put on a disc or tv and press pause and see how much stuff is on screen that is actually BOTH maximum saturation and stimulus...i suspect that there will be nothing. What is much more important is the accuracy of the stuff in the middle of the colour cube, not the stuff at the extremes.

On the bottom section of the tabs on left of screen on chromapure is where the colour checker tab is. That allows you to check around 80 isH separate colours and it is more useful but again, it's just a small subset of the colours your display can show. It is an "industry" reference though. You will find when you investigate this more that there are LOTS of displays where the outer edges of the cube can look great but the inside is a non linear mess with all sorts of errors...and sometimes those errors are actually made worse by using the internal tools of the display to fix the outer edge.

As for the greyscale and gamma. Well, I would suggest that if you have an error in the greyscale you don't want it to be that there is too much red or green, too much blue is nicer to look at. So I quite like 3...but as has been pointed out 8 has better numbers and they are very low...but the error is in the wrong direction...so if you had the ability I'd be doing a visual comparison of them both to see which I actually preferred.
mightyhuhn's Avatar mightyhuhn 04:45 AM 07-13-2014
Quote:
Originally Posted by sanderdvd View Post
Aimed for 2.4 gamma. What do you think about CALIBRATION 6?
dE
<1 very good
<2 good
<3 not good
>3 bad
5.3 very bad...
so i think it's pretty bad
hollisavrct's Avatar hollisavrct 02:37 PM 07-15-2014
Can the calman VPS-2000 USB stick be used as a pattern source for chromapure?

Thanks
hollisavrct
flargosa's Avatar flargosa 05:41 PM 07-16-2014
I bought Chromapure Standard, I got a Paypal receipt but no license. I called support but no answer, how long does it usually take before they email the license file?
bgoering's Avatar bgoering 07:01 PM 07-16-2014
Quote:
Originally Posted by flargosa View Post
I bought Chromapure Standard, I got a Paypal receipt but no license. I called support but no answer, how long does it usually take before they email the license file?
I think it took about a week to 10 days - they have to check the meter and put corrections for the meter into the license file (I think)
TomHuffman's Avatar TomHuffman 10:17 PM 07-16-2014
Quote:
Originally Posted by flargosa View Post
I bought Chromapure Standard, I got a Paypal receipt but no license. I called support but no answer, how long does it usually take before they email the license file?
E-mail notification of your purchase didn't arrive until 7:13PM. I sent you a license 20 minutes later.
flargosa's Avatar flargosa 08:00 AM 07-17-2014
Quote:
Originally Posted by TomHuffman View Post
E-mail notification of your purchase didn't arrive until 7:13PM. I sent you a license 20 minutes later.
I received the license yesterday. Thanks.
colleycol's Avatar colleycol 08:03 PM 07-20-2014
I am thinking of buying ChromaPure to have in contrast to Calman. I need to weight my alternatives.

I have two meters for the Calman software, a i1Pro and a Display 3.

I want to profile the meters.

So first question, will I be able to use these meters? And if yes, do I have to buy an additional meter license to profile?

Thanks
TomHuffman's Avatar TomHuffman 09:21 PM 07-20-2014
Quote:
Originally Posted by colleycol View Post
I am thinking of buying ChromaPure to have in contrast to Calman. I need to weight my alternatives.

I have two meters for the Calman software, a i1Pro and a Display 3.

I want to profile the meters.

So first question, will I be able to use these meters? And if yes, do I have to buy an additional meter license to profile?
Yes, we support both meters. No, ChromaPure Standard includes a license for up to two meters for precisely this purpose, so no extra purchase is required.
Chris5's Avatar Chris5 01:46 PM 07-21-2014
Hi Tom
Sorry if this has been asked before re calibrating LG OLed TVs. Have you done any testes on them re which existing I1d3pro meter setting works best with them e.g. LCD mode and how far off it will be from a yet-to-be-implemented oled mode.
Many thanks
Chris
TomHuffman's Avatar TomHuffman 02:43 PM 07-23-2014
Quote:
Originally Posted by Chris5 View Post
Hi Tom
Sorry if this has been asked before re calibrating LG OLed TVs. Have you done any testes on them re which existing I1d3pro meter setting works best with them e.g. LCD mode and how far off it will be from a yet-to-be-implemented oled mode.
Not yet. I am waiting for the price to come down to a more reasonable level.
TomHuffman's Avatar TomHuffman 02:47 PM 07-23-2014
We are working on a ChromaPure-related project for which we need some assistance.

We are looking for a native German speaker who is also fluent in English.
We are also looking for a native Italian speaker who is also fluent in English.

We can pay a modest sum for the assistance we require.

If qualified and interested, please contact us at support@chromapure.com

-TH
JimP 05:03 PM 07-25-2014
Tom,
On the Accupel 5000 signal generator, does the 100 and 75 in the "Color 100 Group" and "Color 75 group" refers to stimulus or saturation?
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