Four Color Matrix Meter Profling Thread - Page 2 - AVS Forum | Home Theater Discussions And Reviews
Forum Jump: 
 105Likes
Reply
 
Thread Tools
post #31 of 236 Old 11-11-2018, 07:34 PM
AVS Forum Special Member
 
Join Date: Nov 2014
Location: New York
Posts: 6,043
Mentioned: 215 Post(s)
Tagged: 0 Thread(s)
Quoted: 4969 Post(s)
Liked: 6052
Quote:
Originally Posted by Pres2play View Post
For the JETI, the formula for the real measuring diameter is 0.032 * distance, so...

5'9" = 1752.6 mm
1752.6 mm * 0.032 = 56.0832 mm

Move the JETI closer to the panel to reduce JETI diameter, or use the Klein extension tube + rubber hood to enlarge the Klein spot size to 60 mm.
Got it so the Jeti needs to be 4ft 9 inches away from the panel to match the Klein with the rubber hood in contact mode for 48 mm. For my A9F in my living room that's approximately where I had the Jeti because my couch was in the way of moving it back further and those are the scans I posted with the 3%ish red luminance errors. Something else going on because the rest of the colors and white are right on. I'll try it again with the exact FOV but it still would be good to see if anyone else can replicate the behavior. With your LCD are you using CM to profile and if so what are you seeing?

John
Sony 55A1E, A9F, LG CX
Marantz 7012, Ohm Walsh Speakers
Klein K10-A, Jeti 1501, Murideo Six-G Gen2
Calman Ultimate, LightSpace Pro, ISF Level III Certified

Last edited by jrref; 11-11-2018 at 07:38 PM.
jrref is offline  
Sponsored Links
Advertisement
 
post #32 of 236 Old 11-11-2018, 07:41 PM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
Incidentally, the Bosch laser device measures from the back of the case. The case is 4" or 100 cm long. If you have it side by side with the JETI, like I do - on a rail) you must add those 4" to the distance you are measuring. Because I have my 1501 six feet from the display, I have to set the laser to read 6'4". Get it?

If you place the laser in front of the JETI to measure distance, then you don't have to add the length of the laser device.


Edit: that's a typo, the case is 100 mm long

Last edited by Pres2play; 11-11-2018 at 07:54 PM.
Pres2play is offline  
post #33 of 236 Old 11-11-2018, 07:45 PM
AVS Forum Special Member
 
Join Date: Nov 2014
Location: New York
Posts: 6,043
Mentioned: 215 Post(s)
Tagged: 0 Thread(s)
Quoted: 4969 Post(s)
Liked: 6052
Quote:
Originally Posted by Pres2play View Post
Incidentally, the Bosch laser device measures from the back of the case. The case is 4" or 100 cm long. If you have it side by side with the JETI, like I do - on a rail) you must add those 4" to the distance you are measuring. Because I have my 1501 six feet from the display, I have to set the laser to read 6'4". Get it?

If you place the laser in front of the JETI to measure distance, then you don't have to add the length of the laser device.
Yes I saw that in the instructions. I have a laser measuring device from many years ago that I use for construction projects but I like the Bosch because it's so small that it fits in my calibration pack and has a nice backlit display. Great choice.
Pres2play likes this.

John
Sony 55A1E, A9F, LG CX
Marantz 7012, Ohm Walsh Speakers
Klein K10-A, Jeti 1501, Murideo Six-G Gen2
Calman Ultimate, LightSpace Pro, ISF Level III Certified
jrref is offline  
Sponsored Links
Advertisement
 
post #34 of 236 Old 11-11-2018, 08:08 PM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
I use Chromapure3 and profile using Lival and Chromasurf. I'll run measurement after John Oliver tonight and see what I see.
jrref likes this.
Pres2play is offline  
post #35 of 236 Old 11-12-2018, 01:49 AM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
I don't get a big luminance error for red during profiling on my LCD. Not sure if this is what you mean.
Attached Thumbnails
Click image for larger version

Name:	Z9D profile correction.PNG
Views:	55
Size:	84.1 KB
ID:	2481516  
Pres2play is offline  
post #36 of 236 Old 11-12-2018, 02:00 AM
Advanced Member
 
Anger.miki's Avatar
 
Join Date: Jan 2018
Posts: 839
Mentioned: 45 Post(s)
Tagged: 0 Thread(s)
Quoted: 525 Post(s)
Liked: 630
AFAIK It's an FCCM related issue affecting only OLED displays. Plasma/LCD are unaffecteds.
jrref likes this.

T.U.C. Master | TVs: Pioneer PDP-LX5090H, LG OLED55C8PLA | AV Receiver: Pioneer VSX-921 | BD Player: Panasonic DMP-BDT260EG | External LUT box: Entertainment Experience eeColor | Softwares: Light Illusion Lightspace HTP, CM Enthusiast, HCFR, DisplayCAL | Probes: Klein K10-A, Jeti spectraval 1501, X-Rite i1 Display Pro OEM Rev. B-02 | Test Pattern Generator: Riccardo Biasiotto’s PGenerator (RPi)
Anger.miki is offline  
post #37 of 236 Old 11-12-2018, 04:30 AM - Thread Starter
AVS Forum Special Member
 
ConnecTEDDD's Avatar
 
Join Date: Sep 2010
Location: Athens, Greece
Posts: 8,797
Mentioned: 229 Post(s)
Tagged: 1 Thread(s)
Quoted: 3486 Post(s)
Liked: 4356
Quote:
Originally Posted by jrref View Post
Got it so the Jeti needs to be 4ft 9 inches away from the panel to match the Klein with the rubber hood in contact mode for 48 mm. For my A9F in my living room that's approximately where I had the Jeti because my couch was in the way of moving it back further and those are the scans I posted with the 3%ish red luminance errors. Something else going on because the rest of the colors and white are right on. I'll try it again with the exact FOV but it still would be good to see if anyone else can replicate the behavior. With your LCD are you using CM to profile and if so what are you seeing?
Use the Sony AF9 OLED, open JETI LiVal, set manually refreshing rate (right click) 120Hz, set Average 5, display 100% White patch, click Measure, do the same for 100% Red/Green/Blue patches (100% Stimulus) and then click File -> Save.... (select the 4 measurements and save)... upload it here and I will explain to you why you have 3% error

Do the same test with Sony LCD ZF9 also, and upload a second file.

Ted's LightSpace CMS Calibration Disk Free Version for Free Calibration S/W: LightSpace ZRO / HCFR
S/W: ColourSpace INF, LightSpace XTP, SpaceMan ICC, SpaceMatch DCM, CalMAN 5, ChromaPure
V/P: eeColor 3D LUT Box P/G: Murideo Six-G, DVDO AVLab TPG
Meter: JETI Specbos 1211, Klein K-10A
ConnecTEDDD is offline  
post #38 of 236 Old 11-12-2018, 06:26 AM
AVS Forum Special Member
 
Join Date: Nov 2014
Location: New York
Posts: 6,043
Mentioned: 215 Post(s)
Tagged: 0 Thread(s)
Quoted: 4969 Post(s)
Liked: 6052
Quote:
Originally Posted by Pres2play View Post
I don't get a big luminance error for red during profiling on my LCD. Not sure if this is what you mean.
I know your LCD shouldn't have this problem since it's an OLED behavior but after you profile, use Ted's profile verification workflow and post it so we can see your values.

John
Sony 55A1E, A9F, LG CX
Marantz 7012, Ohm Walsh Speakers
Klein K10-A, Jeti 1501, Murideo Six-G Gen2
Calman Ultimate, LightSpace Pro, ISF Level III Certified
jrref is offline  
post #39 of 236 Old 11-12-2018, 06:29 AM
AVS Forum Special Member
 
Join Date: Nov 2014
Location: New York
Posts: 6,043
Mentioned: 215 Post(s)
Tagged: 0 Thread(s)
Quoted: 4969 Post(s)
Liked: 6052
Quote:
Originally Posted by ConnecTEDDD View Post
Use the Sony AF9 OLED, open JETI LiVal, set manually refreshing rate (right click) 120Hz, set Average 5, display 100% White patch, click Measure, do the same for 100% Red/Green/Blue patches (100% Stimulus) and then click File -> Save.... (select the 4 measurements and save)... upload it here and I will explain to you why you have 3% error

Do the same test with Sony LCD ZF9 also, and upload a second file.
OK I'll do this tomorrow since i'll be calibrating.

Maybe @Pres2play can do the same for his LCD so we can compare. If not, i'll go to the store and take some measurements.

Ted thanks again!

John
Sony 55A1E, A9F, LG CX
Marantz 7012, Ohm Walsh Speakers
Klein K10-A, Jeti 1501, Murideo Six-G Gen2
Calman Ultimate, LightSpace Pro, ISF Level III Certified
jrref is offline  
post #40 of 236 Old 11-12-2018, 10:24 AM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
Here are my JETI values from last night. I use Ted's 4-color, 100% amplitude test patterns. The sync number is high, and rather unusual, if you're accustomed to normal refresh rates of 60, 120, etc., but the JETI is very consistent with these numbers, so I trust the readings.
Attached Thumbnails
Click image for larger version

Name:	4 colors 100% amp.png
Views:	63
Size:	15.4 KB
ID:	2481734  

Last edited by Pres2play; 11-12-2018 at 10:31 AM.
Pres2play is offline  
post #41 of 236 Old 11-12-2018, 01:15 PM - Thread Starter
AVS Forum Special Member
 
ConnecTEDDD's Avatar
 
Join Date: Sep 2010
Location: Athens, Greece
Posts: 8,797
Mentioned: 229 Post(s)
Tagged: 1 Thread(s)
Quoted: 3486 Post(s)
Liked: 4356
Quote:
Originally Posted by Pres2play View Post
Here are my JETI values from last night. I use Ted's 4-color, 100% amplitude test patterns. The sync number is high, and rather unusual, if you're accustomed to normal refresh rates of 60, 120, etc., but the JETI is very consistent with these numbers, so I trust the readings.
Can you upload the JETI LiVAl measurement file? Use File -> Save, and highlight the 4 measurements. It will a *.spc file.

Ted's LightSpace CMS Calibration Disk Free Version for Free Calibration S/W: LightSpace ZRO / HCFR
S/W: ColourSpace INF, LightSpace XTP, SpaceMan ICC, SpaceMatch DCM, CalMAN 5, ChromaPure
V/P: eeColor 3D LUT Box P/G: Murideo Six-G, DVDO AVLab TPG
Meter: JETI Specbos 1211, Klein K-10A
ConnecTEDDD is offline  
post #42 of 236 Old 11-12-2018, 02:34 PM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
Will do later today.

Last edited by Pres2play; 11-13-2018 at 01:39 AM.
Pres2play is offline  
post #43 of 236 Old 11-13-2018, 01:39 AM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
Ted, how do I attach x.spc file?
Pres2play is offline  
post #44 of 236 Old 11-13-2018, 01:43 AM - Thread Starter
AVS Forum Special Member
 
ConnecTEDDD's Avatar
 
Join Date: Sep 2010
Location: Athens, Greece
Posts: 8,797
Mentioned: 229 Post(s)
Tagged: 1 Thread(s)
Quoted: 3486 Post(s)
Liked: 4356
Quote:
Originally Posted by Pres2play View Post
Ted, how do I attach x.spc file?
Click to AVS Button 'Go Advanced' and you will see there button for attachment. Zip and upload the file.

Ted's LightSpace CMS Calibration Disk Free Version for Free Calibration S/W: LightSpace ZRO / HCFR
S/W: ColourSpace INF, LightSpace XTP, SpaceMan ICC, SpaceMatch DCM, CalMAN 5, ChromaPure
V/P: eeColor 3D LUT Box P/G: Murideo Six-G, DVDO AVLab TPG
Meter: JETI Specbos 1211, Klein K-10A
ConnecTEDDD is offline  
post #45 of 236 Old 11-13-2018, 01:52 AM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
LiVal values attached!
Attached Files
File Type: zip JETI 4-color matrix_Z9D.zip (7.1 KB, 16 views)
Pres2play is offline  
post #46 of 236 Old 11-13-2018, 01:56 AM - Thread Starter
AVS Forum Special Member
 
ConnecTEDDD's Avatar
 
Join Date: Sep 2010
Location: Athens, Greece
Posts: 8,797
Mentioned: 229 Post(s)
Tagged: 1 Thread(s)
Quoted: 3486 Post(s)
Liked: 4356
Quote:
Originally Posted by Pres2play View Post
LiVal values attached!
Great, now we will wait the same file to be uploaded from John.

Ted's LightSpace CMS Calibration Disk Free Version for Free Calibration S/W: LightSpace ZRO / HCFR
S/W: ColourSpace INF, LightSpace XTP, SpaceMan ICC, SpaceMatch DCM, CalMAN 5, ChromaPure
V/P: eeColor 3D LUT Box P/G: Murideo Six-G, DVDO AVLab TPG
Meter: JETI Specbos 1211, Klein K-10A
ConnecTEDDD is offline  
post #47 of 236 Old 11-13-2018, 02:59 AM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
I look forward to your analyses, Ted.
Pres2play is offline  
post #48 of 236 Old 11-13-2018, 03:14 AM - Thread Starter
AVS Forum Special Member
 
ConnecTEDDD's Avatar
 
Join Date: Sep 2010
Location: Athens, Greece
Posts: 8,797
Mentioned: 229 Post(s)
Tagged: 1 Thread(s)
Quoted: 3486 Post(s)
Liked: 4356
Quote:
Originally Posted by Pres2play View Post
Here are my JETI values from last night. I use Ted's 4-color, 100% amplitude test patterns. The sync number is high, and rather unusual, if you're accustomed to normal refresh rates of 60, 120, etc., but the JETI is very consistent with these numbers, so I trust the readings.
Which was your backlight setting when you scanned for refresh rate?

There exist displays where the real display frequency is the video frequency or multiples of it, but there exist also displays where the measured frequency is fully independent from the video frequency, the backlight can have an arbitrary value, like 574.78 MHz you measured.

When you are checking frequency syncing using a 100% White pattern with LED-LCD, its better to set the backlight to middle position. If the max backlight value is 20 then set to 10 etc. (to have Pulse-width modulation 'PWM' 50% duty cycle on/off state)

Ted's LightSpace CMS Calibration Disk Free Version for Free Calibration S/W: LightSpace ZRO / HCFR
S/W: ColourSpace INF, LightSpace XTP, SpaceMan ICC, SpaceMatch DCM, CalMAN 5, ChromaPure
V/P: eeColor 3D LUT Box P/G: Murideo Six-G, DVDO AVLab TPG
Meter: JETI Specbos 1211, Klein K-10A
ConnecTEDDD is offline  
post #49 of 236 Old 11-13-2018, 06:32 AM
AVS Forum Special Member
 
Join Date: Nov 2014
Location: New York
Posts: 6,043
Mentioned: 215 Post(s)
Tagged: 0 Thread(s)
Quoted: 4969 Post(s)
Liked: 6052
Quote:
Originally Posted by ConnecTEDDD View Post
Great, now we will wait the same file to be uploaded from John.
I'm going to take readings this morning and upload them

John
Sony 55A1E, A9F, LG CX
Marantz 7012, Ohm Walsh Speakers
Klein K10-A, Jeti 1501, Murideo Six-G Gen2
Calman Ultimate, LightSpace Pro, ISF Level III Certified
jrref is offline  
post #50 of 236 Old 11-13-2018, 06:39 AM
AVS Forum Special Member
 
njfoses's Avatar
 
Join Date: May 2003
Location: Atlanta, GA
Posts: 1,073
Mentioned: 4 Post(s)
Tagged: 0 Thread(s)
Quoted: 334 Post(s)
Liked: 207
@ConnecTEDDD or others familiar with LightSpace


Chad B is going to profile his Spectro with my i1Display Pro tonight for Calman use and hopefully LightSpace as well.

Any issue with x,y,Y measurements from both meters being taken outside of Lightspace and then being manually entered/saved/loaded via the meter profile creator on www.displaycalibrationtools.com ?
njfoses is offline  
post #51 of 236 Old 11-13-2018, 08:11 AM
Advanced Member
 
BlackJoker's Avatar
 
Join Date: May 2015
Posts: 561
Mentioned: 41 Post(s)
Tagged: 0 Thread(s)
Quoted: 387 Post(s)
Liked: 450
Quote:
Originally Posted by njfoses View Post
@ConnecTEDDD or others familiar with LightSpace





Chad B is going to profile his Spectro with my i1Display Pro tonight for Calman use and hopefully LightSpace as well.



Any issue with x,y,Y measurements from both meters being taken outside of Lightspace and then being manually entered/saved/loaded via the meter profile creator on www.displaycalibrationtools.com ?


There is no issue and it's working flawlessly I used the same method

TV: LG OLED 65C8 Sources: Apple TV 4K, OPPO UDP-203 Video Processor: TruVue eeColor
Probe: Klein K10-A, i1 Display Pro OEM Rev.B (2018), i1Pro2 OEM Rev.E Software: Lightspace HTP, Calman 2019 Ultimate
BlackJoker is online now  
post #52 of 236 Old 11-13-2018, 08:37 AM - Thread Starter
AVS Forum Special Member
 
ConnecTEDDD's Avatar
 
Join Date: Sep 2010
Location: Athens, Greece
Posts: 8,797
Mentioned: 229 Post(s)
Tagged: 1 Thread(s)
Quoted: 3486 Post(s)
Liked: 4356
Quote:
Originally Posted by njfoses View Post
@ConnecTEDDD or others familiar with LightSpace


Chad B is going to profile his Spectro with my i1Display Pro tonight for Calman use and hopefully LightSpace as well.

Any issue with x,y,Y measurements from both meters being taken outside of Lightspace and then being manually entered/saved/loaded via the meter profile creator on www.displaycalibrationtools.com ?
You can recommend to Chad B to install LightSpace DPS to his notebook (free license which works with all meters) and perform from inside LightSpace the meter profiling (set meter settings first and then click 'Read All'), because LightSpace has different modes to operate i1Display PRO (I mean LightSpace use official X-Rite SDK while CalMAN use custom code and not X-Rite SDK, so there differences in exposure and sync modes), so you have have small differences.

After the end, to export the 2 meter profile files from LightSpace and provide them to you.

BlackJoker can tell you more details about this if he has performed that comparison.

But you if you test your i1Display PRO by measuring the same patches (use my disk for example) from CalMAN and LightSpace and see that the meter report the same numbers, then the above procedure is not required.

Ted's LightSpace CMS Calibration Disk Free Version for Free Calibration S/W: LightSpace ZRO / HCFR
S/W: ColourSpace INF, LightSpace XTP, SpaceMan ICC, SpaceMatch DCM, CalMAN 5, ChromaPure
V/P: eeColor 3D LUT Box P/G: Murideo Six-G, DVDO AVLab TPG
Meter: JETI Specbos 1211, Klein K-10A
ConnecTEDDD is offline  
post #53 of 236 Old 11-13-2018, 09:43 AM
AVS Forum Special Member
 
Join Date: Nov 2014
Location: New York
Posts: 6,043
Mentioned: 215 Post(s)
Tagged: 0 Thread(s)
Quoted: 4969 Post(s)
Liked: 6052
Quote:
Originally Posted by ConnecTEDDD View Post
Great, now we will wait the same file to be uploaded from John.
Here are my readings with the jeti 1501 at 4ft 9 inches from my 55A9F screen.
Attached Files
File Type: zip jrref.zip (6.9 KB, 16 views)

John
Sony 55A1E, A9F, LG CX
Marantz 7012, Ohm Walsh Speakers
Klein K10-A, Jeti 1501, Murideo Six-G Gen2
Calman Ultimate, LightSpace Pro, ISF Level III Certified
jrref is offline  
post #54 of 236 Old 11-13-2018, 09:59 AM
AVS Forum Special Member
 
njfoses's Avatar
 
Join Date: May 2003
Location: Atlanta, GA
Posts: 1,073
Mentioned: 4 Post(s)
Tagged: 0 Thread(s)
Quoted: 334 Post(s)
Liked: 207
Quote:
Originally Posted by BlackJoker View Post
There is no issue and it's working flawlessly I used the same method
Quote:
Originally Posted by ConnecTEDDD View Post
You can recommend to Chad B to install LightSpace DPS to his notebook (free license which works with all meters) and perform from inside LightSpace the meter profiling (set meter settings first and then click 'Read All'), because LightSpace has different modes to operate i1Display PRO (I mean LightSpace use official X-Rite SDK while CalMAN use custom code and not X-Rite SDK, so there differences in exposure and sync modes), so you have have small differences.

After the end, to export the 2 meter profile files from LightSpace and provide them to you.

BlackJoker can tell you more details about this if he has performed that comparison.

But you if you test your i1Display PRO by measuring the same patches (use my disk for example) from CalMAN and LightSpace and see that the meter report the same numbers, then the above procedure is not required.
Thanks guys.


In a previous quick email exchange with Chads assistant, he does not sue LightSpace so for simplicity sake measuring outside of LS and manually entering is probably the best approach.
njfoses is offline  
post #55 of 236 Old 11-13-2018, 10:13 AM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
Quote:
Originally Posted by ConnecTEDDD View Post
Which was your backlight setting when you scanned for refresh rate?

There exist displays where the real display frequency is the video frequency or multiples of it, but there exist also displays where the measured frequency is fully independent from the video frequency, the backlight can have an arbitrary value, like 574.78 MHz you measured.

When you are checking frequency syncing using a 100% White pattern with LED-LCD, its better to set the backlight to middle position. If the max backlight value is 20 then set to 10 etc. (to have Pulse-width modulation 'PWM' 50% duty cycle on/off state)

The Z9D max brightness is 50. I have it on 5 (~129 nits) for profiling. I will try 25.
Pres2play is offline  
post #56 of 236 Old 11-13-2018, 10:46 AM
AVS Forum Special Member
 
Pres2play's Avatar
 
Join Date: Jun 2008
Location: NYC
Posts: 3,002
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 877 Post(s)
Liked: 393
Sync is the same for 5 and 25 brightness setting. I tried it with 100% Amp pattern that you have and 100% white patch in 11-point grayscale.
Attached Thumbnails
Click image for larger version

Name:	Snyc with brightness at 25 and 5.PNG
Views:	28
Size:	11.3 KB
ID:	2482126  
Pres2play is offline  
post #57 of 236 Old 11-13-2018, 10:49 AM
AVS Forum Special Member
 
Join Date: Nov 2014
Location: New York
Posts: 6,043
Mentioned: 215 Post(s)
Tagged: 0 Thread(s)
Quoted: 4969 Post(s)
Liked: 6052
Quote:
Originally Posted by Pres2play View Post
Sync is the same for 5 and 25 brightness setting. I tried it with 100% Amp pattern that you have and 100% white patch in 11-point grayscale.
I sent you a PM

John
Sony 55A1E, A9F, LG CX
Marantz 7012, Ohm Walsh Speakers
Klein K10-A, Jeti 1501, Murideo Six-G Gen2
Calman Ultimate, LightSpace Pro, ISF Level III Certified
jrref is offline  
post #58 of 236 Old 11-13-2018, 10:55 AM - Thread Starter
AVS Forum Special Member
 
ConnecTEDDD's Avatar
 
Join Date: Sep 2010
Location: Athens, Greece
Posts: 8,797
Mentioned: 229 Post(s)
Tagged: 1 Thread(s)
Quoted: 3486 Post(s)
Liked: 4356
Quote:
Originally Posted by Pres2play View Post
LiVal values attached!
Quote:
Originally Posted by jrref View Post
Here are my readings with the jeti 1501 at 4ft 9 inches from my 55A9F screen.
Look what is happening...

Four Color Matrix Procedure, measure W,R,G,B and calculate a 3x3 XYZ matrix. This matrix can be loaded inside your Klein for example (when you use ChromaSurf) or be 'software' loaded from LightSpace/CalMAN etc. when you will create that table using each software.

At this stage, the correction is for each colorimeter filters, so when you display and measure a White patch with a loaded correction, with simple words the R+G+B filter offsets are combined to give you the White correction offset. (basically the 3x3 table is active all the time, just I give an example)

All these work great with display with 3 subpixels (since the method developed with RGB displays), since when the panel will want to give you 100% White, it will light-up RGB subpixels...when you display a native blue, only the blue light-up....native red, only red light up etc.

With WRGB, we have a problem, because the W subpixel can light up when you display W or R or G or B, so this breaks the method. When you display White patch, 2 or 3 subpixels of 4 can light-up, the same can happen when you will display a primary.

For that reason I asked you to post these graphs.

Looking the Sony LCD (RGB) the colored spectra is the White measurement, while the wireframe is R+G+B spectral curves combined:



But to Sony OLED (WRGB) you see that there deviations between spectra of White spectra (colorful) vs. R+G+B (wireframes):



So from that difference you will have somewhere an error after meter profiling.

It has to do with the brand/model of the WRGB OLED you will measure where you will have the error. To some models you get error in Green Y, to other model to Red Y (more popular error), with LG 2016 OLED models you have no problem (not only to SDR but you have no problem with meter profiling verification if you try HDR meter profiling using 100% Luminance patterns also).

See an example with SDR verification here:



...and HDR verification here:



T( )( )L likes this.

Ted's LightSpace CMS Calibration Disk Free Version for Free Calibration S/W: LightSpace ZRO / HCFR
S/W: ColourSpace INF, LightSpace XTP, SpaceMan ICC, SpaceMatch DCM, CalMAN 5, ChromaPure
V/P: eeColor 3D LUT Box P/G: Murideo Six-G, DVDO AVLab TPG
Meter: JETI Specbos 1211, Klein K-10A
ConnecTEDDD is offline  
post #59 of 236 Old 11-13-2018, 11:18 AM
AVS Forum Special Member
 
Join Date: Nov 2014
Location: New York
Posts: 6,043
Mentioned: 215 Post(s)
Tagged: 0 Thread(s)
Quoted: 4969 Post(s)
Liked: 6052
Quote:
Originally Posted by ConnecTEDDD View Post
Look what is happening...

Four Color Matrix Procedure, measure W,R,G,B and calculate a 3x3 XYZ matrix. This matrix can be loaded inside your Klein for example (when you use ChromaSurf) or be 'software' loaded from LightSpace/CalMAN etc. when you will create that table using each software.

At this stage, the correction is for each colorimeter filters, so when you display and measure a White patch with a loaded correction, with simple words the R+G+B filter offsets are combined to give you the White correction offset. (basically the 3x3 table is active all the time, just I give an example)

All these work great with display with 3 subpixels (since the method developed with RGB displays), since when the panel will want to give you 100% White, it will light-up RGB subpixels...when you display a native blue, only the blue light-up....native red, only red light up etc.

With WRGB, we have a problem, because the W subpixel can light up when you display W or R or G or B, so this breaks the method. When you display White patch, 2 or 3 subpixels of 4 can light-up, the same can happen when you will display a primary.

For that reason I asked you to post these graphs.

Looking the Sony LCD (RGB) the colored spectra is the White measurement, while the wireframe is R+G+B spectral curves combined:



But to Sony OLED (WRGB) you see that there deviations between spectra of White spectra (colorful) vs. R+G+B (wireframes):



So from that difference you will have somewhere an error after meter profiling.

It has to do with the brand/model of the WRGB OLED you will measure where you will have the error. To some models you get error in Green Y, to other model to Red Y (more popular error), with LG 2016 OLED models you have no problem (not only to SDR but you have no problem with meter profiling verification if you try HDR meter profiling using 100% Luminance patterns also).
Excellent detective work, makes sense! Here is my Jeti spectral for my A9F using the i1Pro2 then the Jeti
Attached Thumbnails
Click image for larger version

Name:	Capture4.JPG
Views:	56
Size:	116.8 KB
ID:	2482138   Click image for larger version

Name:	Capture3.JPG
Views:	54
Size:	116.7 KB
ID:	2482140  

John
Sony 55A1E, A9F, LG CX
Marantz 7012, Ohm Walsh Speakers
Klein K10-A, Jeti 1501, Murideo Six-G Gen2
Calman Ultimate, LightSpace Pro, ISF Level III Certified
jrref is offline  
post #60 of 236 Old 11-13-2018, 11:30 AM - Thread Starter
AVS Forum Special Member
 
ConnecTEDDD's Avatar
 
Join Date: Sep 2010
Location: Athens, Greece
Posts: 8,797
Mentioned: 229 Post(s)
Tagged: 1 Thread(s)
Quoted: 3486 Post(s)
Liked: 4356
Quote:
Originally Posted by jrref View Post
Excellent detective work, makes sense! Here is my Jeti spectral for my A9F using the i1Pro2 then the Jeti
When you compare 2x SPD with CalMAN, you have disable auto-axis of chart and set manual axis.

Also CalMAN is not so good for that comparison because its generating that blocky' curve (because of 10nm i1PRO res).

Use HCFR or DisplayCAL to get better SPD curves.

Ted's LightSpace CMS Calibration Disk Free Version for Free Calibration S/W: LightSpace ZRO / HCFR
S/W: ColourSpace INF, LightSpace XTP, SpaceMan ICC, SpaceMatch DCM, CalMAN 5, ChromaPure
V/P: eeColor 3D LUT Box P/G: Murideo Six-G, DVDO AVLab TPG
Meter: JETI Specbos 1211, Klein K-10A
ConnecTEDDD is offline  
Sponsored Links
Advertisement
 
Reply Display Calibration

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page


Forum Jump: 

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off