Calibrating Leo Laporte's OLED TV with Robert Heron - AVS Forum
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post #1 of 23 Old 09-25-2013, 08:45 AM - Thread Starter
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In this special episode, Robert Heron and I calibrate Leo Laporte's new Samsung KN55S9C OLED TV. We show you the equipment we used to calibrate the TV, set the basic picture controls, take pre-cal measurements, calibrate the grayscale, decide that the colors don't need adjustment, compare the measurements taken with Konica Minolta CS-200 and X-Rite i1Pro color meters, evaluate the set's video processing, measure the input lag, watch some movie clips, and more.

 

 

 

For all the measurements we obtained, check out this thread.


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post #2 of 23 Old 09-25-2013, 10:04 AM
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post #3 of 23 Old 09-25-2013, 01:01 PM
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It would be very interesting to see grayscale and gamut rechecked at various points at the OLED panel ages. Samsung may be implementing various strategies to compensate for the blue subpixels, which age at a faster rate than the red and green subpixels.
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post #4 of 23 Old 09-25-2013, 02:28 PM
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WHAT AN AMAZING VIDEO!!!

thank you so much for sharing... teachers are blessed people.

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post #5 of 23 Old 09-25-2013, 03:12 PM
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If you were wondering if I love this video, the answer is yes, yes I do love this video.

I LOVE MOVIES!!!!!!!!!!!!

 

 

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post #6 of 23 Old 09-25-2013, 05:49 PM
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Scott and Robert the 2 best in the business for us tech geeks on the internet.

Scott ? how be it if Samsung were to only curve the screen only so slightly that it's not even noticed at let's say 1 percent curve of screen ?

As TVs get larger I can see why they would want to put a slight curve in it but not a whole lot to where it's distracting.

Remember the old drive ins ? wonder why they curved their screens ? there has to be some logical reason for that.

You and Robert look like you could be brothers.

Scott ? if you ever get to talk to Robert again soon ask him is there any software that people can down load on your computers that they can use to help line up their projectors with their screens ?

Or is there any kind of software that trows out of the projector lens lines that line up with the screen or marks that you can put around your screen to help in lining it up, leveling ?
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post #7 of 23 Old 09-25-2013, 11:48 PM
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Quote:
Originally Posted by DLPProjectorfan View Post

Scott and Robert the 2 best in the business for us tech geeks on the internet.

Scott ? how be it if Samsung were to only curve the screen only so slightly that it's not even noticed at let's say 1 percent curve of screen ?

As TVs get larger I can see why they would want to put a slight curve in it but not a whole lot to where it's distracting.

Remember the old drive ins ? wonder why they curved their screens ? there has to be some logical reason for that.

You and Robert look like you could be brothers.

Scott ? if you ever get to talk to Robert again soon ask him is there any software that people can down load on your computers that they can use to help line up their projectors with their screens ?

Or is there any kind of software that trows out of the projector lens lines that line up with the screen or marks that you can put around your screen to help in lining it up, leveling ?


Wasn't that due to nature of the light source and light reflecting from surfaces at the same angle it hit? Like if it wasn't curve you would get bad vinietting whereas with old each pixel generates its own light in roughly all forward directions fairly equally... So as far as drive ins i don't think the reason for curving necessarily applies...

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post #8 of 23 Old 09-26-2013, 05:34 AM
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I took a look at the video streamed onto my set and noticed what looked like a few dots when the set had a blank screen. It looked to me like 4 or 5 activated pixels with a black screen. I was wondering if Scott noticed that when they calibrated the set.
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post #9 of 23 Old 09-26-2013, 07:12 AM
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Quote:
Originally Posted by JWhip View Post

I took a look at the video streamed onto my set and noticed what looked like a few dots when the set had a blank screen. It looked to me like 4 or 5 activated pixels with a black screen. I was wondering if Scott noticed that when they calibrated the set.

Noticed that aswell dead pixles?
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post #10 of 23 Old 09-26-2013, 07:58 AM
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Quote:
Originally Posted by JWhip View Post

I took a look at the video streamed onto my set and noticed what looked like a few dots when the set had a blank screen. It looked to me like 4 or 5 activated pixels with a black screen. I was wondering if Scott noticed that when they calibrated the set.


Where about on the video do you see this?
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post #11 of 23 Old 09-26-2013, 09:10 AM
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Great video...I've been enjoying Scott through the mags and TWIT for a long time now and Robert is one of my favorite Home Theater guys...Maybe we will see Robert more regularly on Home Theater Geeks

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post #12 of 23 Old 09-26-2013, 09:51 AM
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really enjoyed episode. robert Hearon also has a show, on home theater. you can find him here >> revision3.com/hdnation the other host is patrick norton from tech tv the screen savers.

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post #13 of 23 Old 09-26-2013, 10:53 AM
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Awesome. I've learn more from this video than actually following the instructions for the WOW BD disk.

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post #14 of 23 Old 09-26-2013, 02:33 PM
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Quote:
Originally Posted by Pres2play View Post

Where about on the video do you see this?

I believe it is when they start to watch video after the calibration. I would have to watch it again to make sure.
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post #15 of 23 Old 09-26-2013, 09:01 PM
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Scott or Robert, did you at any time see your reflection on the screen with low lighting? Do you have to watch in a dark room to avoid reflection?
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post #16 of 23 Old 09-26-2013, 09:33 PM
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I hope you guys will do more calibrations of other brands of flat displays.
I learned a lot from this one. "Calibration of the Month"?
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post #17 of 23 Old 09-27-2013, 01:57 AM
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Quote:
Originally Posted by JWhip View Post

I believe it is when they start to watch video after the calibration. I would have to watch it again to make sure.

If you're referring to the dots at mark 1:26:04, I think the lights are from the two laptops and a remote -- possibly the Bluray remote, since they just started a movie. The shot is bit confusing, because of the hard pan and over-zoom that follows.
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post #18 of 23 Old 09-27-2013, 04:05 AM
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This was a great episode! I just bought a brand new LED Samsung TV for my bedroom, and it was very informative watching you guys go through the menu settings. My TV has the exact settings, so excellent!!!!!!!! I've always enjoyed Robert Heron's reviews on HD Nation, so this collaboration was outstanding.biggrin.gif
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post #19 of 23 Old 09-27-2013, 12:57 PM
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When you were testing input lag.... on Samsung TV's if you name the input to "PC" it is even faster than game mode.
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post #20 of 23 Old 09-29-2013, 03:18 PM
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well that was a really fascinating watch. Does bring up a question though. They mentioned that, when adjusting RGB offset and gain, it's better to reduce the levels when striving for a balance, rather than boosting them (they made the analogy to audio EQ in which you should supposedly adopt the same heuristic).

I wonder if the decisions you make about whether to decrease or increase these levels, have an impact on your gamma, and if so, wouldn't that be a good way to fine tune gamma?

For example, on a two point greyscale adjustment, when adjusting at 30%, there may be several combinations of RGB values that yield excellent delta E values, and these combinations mainly differ in the overall magnitude of the signal. Is it possible, for instance, that the reason that Scott and Robert ended up with some black crush is precisely because they took this "always use decrements when fine tuning greyscale" heuristic too far, and ended up with a (balanced) combination that had too low a magnitude?
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post #21 of 23 Old 09-30-2013, 09:54 AM
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Great vedio.
Thank you so much for sharing.
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post #22 of 23 Old 10-01-2013, 01:44 PM
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Yes, like others have said, this was a GREAT REVIEW SCOTT & HERON.
I'll speak for myself here, but I learned more about Calman software calibration from this video alone than from 9 months of calls and forum chats to SpectaCal for support.
Scott, you and Heron should do a step by step calibration of upcoming TV sets. I believe most of us on this Forum are familiar with the set up disk and the "Basic" picture control settings, but to get into the colour, gamma etc requires more in depth explanations which you guys did a fantastic job explaining.

Thanks again

Paul
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post #23 of 23 Old 11-03-2013, 12:29 PM
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dear sirs, thank you for the great video. much appreciated for your time and effort on this.

Onur
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