GCD - Gamut Calibration Disk - Page 2 - AVS Forum
View Poll Results: What format would you prefer for the HTPC?
.mp4 22 30.99%
.mkv 48 67.61%
others (please detail in thread) 1 1.41%
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post #31 of 633 Old 04-21-2012, 08:41 AM
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Quote:
Originally Posted by visca blaugrana View Post

I am now ready to start encode the videos, but since that take ages I want to make sure i get the sequences right
I will start encode the first chapter when confirmed.

100% Luminance sweep: Red (Starting @ 0,25,50,75 & 100% saturation) in the following order Red, Green, Blue, Cyan, Magenta, Yellow

Is there any need of a 100% white either before or at the end?

No need for white in the sweeps and the order should be Red, Green, Blue, Yellow, Cyan, Magenta for the sweeps and the color calibration sequence is Red, Green, Blue, Yellow, Cyan, Magenta, White. Thanks!
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post #32 of 633 Old 04-21-2012, 08:44 AM
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Yes and for 75% Luminance sweep need 75% white.
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post #33 of 633 Old 04-21-2012, 09:03 AM - Thread Starter
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I have added a white at the end, so if not needed it should not get in the way.
each pattern will be on for 3 minutes, and if you press next it should take you to the next pattern.

I am using MultiAVCHD to author the ISO (not used it that much) so the menu system will be no ware near the level of the AVS disk, however it should be usable

Chapter 10 will be done in around 10 hours - So if I got time tomorrow I will upload chapter 1 as a beta, so please try it out and comment
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post #34 of 633 Old 04-21-2012, 09:09 AM
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Sounds good, are you sure you want 3 minutes/pattern? I typically don't need a pattern up for more than 20 seconds and can hit pause if needed. That would save you considerable rendering time. I think there is a limit to the number of chapter markers in AVCHD format so watch out for that (and no pop-up menus unfortunately) but using chapter skips works fine.
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post #35 of 633 Old 04-21-2012, 09:21 AM - Thread Starter
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Quote:
Originally Posted by zoyd View Post

Sounds good, are you sure you want 3 minutes/pattern? I typically don't need a pattern up for more than 20 seconds and can hit pause if needed. That would save you considerable rendering time. I think there is a limit to the number of chapter markers in AVCHD format so watch out for that (and no pop-up menus unfortunately) but using chapter skips works fine.

I will reduce the time to 1 minute, the reason for 3 minutes was that I have a profile that defaults to 3 minute for each chapter, but tsMuxeR should be able to create one for each 1 minute
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post #36 of 633 Old 04-22-2012, 04:27 AM
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When the estimated it will be possible to test?
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post #37 of 633 Old 04-22-2012, 08:06 AM - Thread Starter
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attached is the first beta.

this only contain a 100% luminance saturation sweep
http://gupl.dk/678192/

if there is any comments please let me know.

my plans is:

adding the following
1. 100% luminance saturation sweep [R0,R25,R50,R75,R100, etc.]
2. 75% luminance saturation sweep [R0,R25,R50,R75,R100, etc.]
3. 50% luminance saturation sweep [R0,R25,R50,R75,R100, etc.]
4. 100/100 RGBYCMW
5. 100/75 RGBYCMW
6. 75/100 RGBYCMW
7. 75/75 RGBYCMW

remove unnecessary items in the menu structure
add 1% of all the above but on apl background

others??
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post #38 of 633 Old 04-22-2012, 08:49 AM
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Add,please, 75/75/75 pattern !!!!!
And please format mp4.
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post #39 of 633 Old 04-22-2012, 09:17 AM - Thread Starter
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75/75/75?

75%amplitude, 75%saturation 75%??

I will look at creating a mp4 version when I have all the encodings done.
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post #40 of 633 Old 04-22-2012, 09:44 AM
 
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Quote:
Originally Posted by anta1974 View Post

Very very thanx!
Why is the gamma=2.22 but gamma=2.20?

Mastering moniitor standard in US is 2.22. Camera gamma standard is 2.2. I couldn't sleep at night and would consider calibration efforts a complete failure unless I was able to create a custom curve at 2.21 and be able to reach a de with a cheap $400 probe of less than 0.1.
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post #41 of 633 Old 04-22-2012, 10:30 AM
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75% lightness
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post #42 of 633 Old 04-22-2012, 11:58 AM - Thread Starter
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I am only a amateur but is amplitude not the same as lightness?
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post #43 of 633 Old 04-22-2012, 12:14 PM
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post #44 of 633 Old 04-22-2012, 01:34 PM
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The first sweep looks great! Easy navigation and nice clean look, very well done. I measured it against the AVSHD 100% sweep and the agreement was very good, luminances are all within 1% and the xy locations all agree to <=0.003 (most < .001)
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post #45 of 633 Old 04-22-2012, 02:26 PM - Thread Starter
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thank you for the feedback
Please ignore link - menu problem
latest beta including 100, 75 & 50% luminance sweeps

please test and report issues
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post #46 of 633 Old 04-22-2012, 02:56 PM
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Very big thank you for your work!!!
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post #47 of 633 Old 04-22-2012, 03:06 PM
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hey guys, am i the only one that cant see the link or attachment? i would love to take a peek at this. thanks
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post #48 of 633 Old 04-22-2012, 03:08 PM - Thread Starter
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Give me 5 min, just fixing a menu problem
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post #49 of 633 Old 04-22-2012, 03:17 PM - Thread Starter
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Please find beta 2.1
http://gupl.dk/678225/

this include
1. 100% luminance saturation sweep [R0,R25,R50,R75,R100, etc.]
2. 75% luminance saturation sweep [R0,R25,R50,R75,R100, etc.]
3. 50% luminance saturation sweep [R0,R25,R50,R75,R100, etc.]

if any problems please let me know.

I will be away with work next week, so a new upload will not available to at the earliest late next week.

Thank you for any comments
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post #50 of 633 Old 04-23-2012, 08:40 AM
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beta 2.1 looks good, there is one odd measurement for magenta 50/50 (see attached). This could be my display but 75 and 100 don't show the same behavior. If this shows up in testing on another display type it could be a bad pattern. The curvature in the green saturation tracking is normal for my display.
LL
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post #51 of 633 Old 04-23-2012, 12:44 PM - Thread Starter
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thank you for letting me know.

the source pattern for 50/50 magenta is correct (as per yourself), however when encoding, something could have gone wrong. But just to eliminate your display please use the attached 2.1.1, this only include the 50/50 magenta, and I have verified that it is correct (by reversing from the video file back to a 24bit TGA file.)

please let me know how it looks

http://gupl.dk/678273/
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post #52 of 633 Old 04-23-2012, 03:40 PM - Thread Starter
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What I meant that the pattern it's correct is that the RGB digital values is as per the excel spreadsheet further up.
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post #53 of 633 Old 04-23-2012, 04:53 PM
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post #54 of 633 Old 04-25-2012, 11:38 AM - Thread Starter
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Please find b3.0
http://gupl.dk/678377/
this include
1. 100% luminance saturation sweep [R0,R25,R50,R75,R100, etc.]
2. 75% luminance saturation sweep [R0,R25,R50,R75,R100, etc.]
3. 50% luminance saturation sweep [R0,R25,R50,R75,R100, etc.]
4. 100/100 RGBYCMW
5. 100/75 RGBYCMW
6. 75/100 RGBYCMW
7. 75/75 RGBYCMW

please test and report any problems.
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post #55 of 633 Old 04-25-2012, 11:45 AM
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Very thanx!!!!!!
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post #56 of 633 Old 04-25-2012, 12:48 PM
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Quote:
Originally Posted by zoyd View Post

beta 2.1 looks good, there is one odd measurement for magenta 50/50 (see attached). This could be my display but 75 and 100 don't show the same behavior. If this shows up in testing on another display type it could be a bad pattern. The curvature in the green saturation tracking is normal for my display.

Why use magenta 50\\50 in HCFR?
Is it right 50% saturation 100% luminance?
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post #57 of 633 Old 04-25-2012, 01:36 PM - Thread Starter
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You Can use 50% luminance as long you use a 50% White as reference
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post #58 of 633 Old 04-25-2012, 01:53 PM
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Thank you very match!!!
Very thanx!!!
Hugest, greatest thank you!!!
I am very happy that he learned this.
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post #59 of 633 Old 04-26-2012, 03:01 PM - Thread Starter
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Just did some my self and as far as I can see the Magenta 50/50 is ok (Beta 3.0) see attached this is on a Samsung LCD

I am planing on adding the following

100 Saturation - Luminance Sweep (R100%,R75%,R50%,R25% etc....)
75 Saturation - Luminance Sweep (R100%,R75%,R50%,R25% etc....)
50 Saturation - Luminance Sweep (R100%,R75%,R50%,R25% etc....)

Any other patterns needed?

when all pattern is correct and done, I will start working on the 1% APL version
LL
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post #60 of 633 Old 04-27-2012, 04:53 AM
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Quote:
Originally Posted by visca blaugrana View Post

Just did some my self and as far as I can see the Magenta 50/50 is ok (Beta 3.0) see attached this is on a Samsung LCD

I am planing on adding the following

100 Saturation - Luminance Sweep (R100%,R75%,R50%,R25% etc....)
75 Saturation - Luminance Sweep (R100%,R75%,R50%,R25% etc....)
50 Saturation - Luminance Sweep (R100%,R75%,R50%,R25% etc....)

Any other patterns needed?

when all pattern is correct and done, I will start working on the 1% APL version

thanks for your great works
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