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I knew it wouldn’t take long, but someone over at AVS has performed some measurements on the new calibration feature and it looks to generate overall positive results. The ATV 4K appears to have some inherent green push that this feature helps compensate for. I’ll definitely be using this when it comes out on the official OS release. Not interested in beta software. My TV was calibrated using a combination of Rtings settings and a Spears and Munsil Blu-Ray, but this tool appears to take you one step closer to the perfect picture. Props to Apple for this new feature.

 
We need TVs with built-in colorimeters like this Dell monitor:

Dell-UP3221Q_Built-in-Colorimeter-800x590.jpg


:p
 
And it isn’t. It’s cooler.
Ah, I see what you’re getting at. Physicists call orange hot and blue hotter, while painters say orange is warm and blue is cool. Confusing to be sure, especially when disciplines have to talk to each other.
 
Ya I hope so. Am very excited for this feature, and am curious to see how close I was to a good calibration.

This is the kind of thing Apple could have done if they made a TV. It would have been sweet. Sigh.
It’s a gimmick and in general will be pointless; it will be adjusted for sakes sake...calibrating a screen depends on much more than colour balance, not least on the quality of the screen and its‘ lighting abilities. When you calibrated your screen, what did calibrate against? Most people adjust their screen (actually most people don’t do anything at all) to what they like rather than what is accurate..more often than not, folks don’t like accurate because it’s not what they are used to.

Not withstanding that this is calibrating only Apple TV and not your actual TV so every other media will revert back to what you’re used to...basically it is adjusting the signal fed to the TV, so I am not even sure if it’s going to be the same for each type of program on Apple TV?
 
Can we use this on monitors connected to a Mac?
Or, is this only for displays connected to an Apple TV?
 
This feature as well as the wireless audio sync doesn’t work for me, no matter, what I try: I never get beyond the “Preparing…” step. Apple TV and iPhone meet the proper requirements and settings, the process starts and comes to the “preparing…” step, there it hangs for a couple of minutes and then aborts. Any idea?
Same result here.
 
It’s a gimmick and in general will be pointless; it will be adjusted for sakes sake...calibrating a screen depends on much more than colour balance, not least on the quality of the screen and its‘ lighting abilities. When you calibrated your screen, what did calibrate against? Most people adjust their screen (actually most people don’t do anything at all) to what they like rather than what is accurate..more often than not, folks don’t like accurate because it’s not what they are used to.

Not withstanding that this is calibrating only Apple TV and not your actual TV so every other media will revert back to what you’re used to...basically it is adjusting the signal fed to the TV, so I am not even sure if it’s going to be the same for each type of program on Apple TV?
Actually so far evidence is showing that is does do something positive for picture accuracy.
 
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Love the fact that Color Balance is available on the Apple TV HD and does not require buying the latest Apple TV 4K. I am definitely buying the new remote for my Apple TV HD. Apple now supporting 3 generations of Apple TV. Wonder if this will be the case for TV OS 15.
 
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Ok, I’ve been trying this for the last few days just to see if it makes any difference. But, I cannot complete it. I launch it on the ATV, and tap the notification then all I get is a spinning wheel in the box on the phone. Any suggestions?
Did you hold it within one inch of your tv?
 
The before and after photos never actually look like that in reality. I think they’re desperate to find reasons for people to upgrade. A better remote and a few extras is not worth another $200.
You don’t need the new Apple TV for this, you just need the latest software, 14.5 on the Apple TV and the iPhone.
 
I tried the calibration during the normal lighting conditions of when I normally watch TV (don't know if that affects the accuracy) and while I'm certainly by no means a pro at color calibration, the "balanced" outcome looked significantly "warmer" than the original. So much so to the point that it is still jarring after 3 days. I know I can change back, but I've looked around online and of the dozen or so people that have commented on the coloration, probably like 10/12 of them have said their outcome was also "warmer" as a result.

Are "warmer" colors "more accurate" in general?
It should be warmer but your whites shouldn't look yellow-ish either. We are accustomed to very cool (blue-ish) colors. Give it a couple of days for you to adapt to it. Recalibrate if you still find it too warm.
 
And it isn’t. It’s cooler.
Most (all) TV’s have out of the box settings with a higher colour temperature than 6500K. Higher colour temperature makes the image cooler :) Therefore, changing to 6500K will make the image warmer, because the colour temperature is now lower.

A bigger issue is that if you are not using a relatively accurate setting, most modern TV’s use all sorts of “dynamic” processing to counter all the problems that a higher colour temperature and blooming whites results in. This is often true even for “standard” setting, not just the one labelled “dynamic”. For instance, even though it seems counter intuitive, adding blue to the colour temperature makes most faces more “red” (actually purple). But adding blue makes white “pop”, which sells TV’s, so the manufacturers want the high colour temp. So they will skew the colours to “fix” skin tones, while leaving the skies blue (note the difference between “blue sky” and “blue skies”...)

Contrary to what many think, most stores do NOT touch the settings at all, so the manufacturer will try to make the default “sell”. Many TV’s today makes you choose on first startup if the setting is in-store or at home... Proving that what you see in store is not what you get at home.

Anyway:

All the dynamic proccessing works on the assumption that the colour temperature is wrong. If you correct the colour but keep all the extra processing, the result will look horribly wrong, even though you may now have correct colour temperature. So, to use this feature, it is imperative that you start with setting the TV in the most netral standard setting, which will typically be called “movie”, “studio” or the like. In my experience this setting is sometimes overly warm, so calibrating from there sometimes makes it a bit cooler. Without having tested in person, just based on theory, I would expect “movie setting” + Apple TV calibration to work quite well, as a “layman’s calibration”.


This is the simplified version. Correct colours is much more than colour temperature, and I expect this feature to correct saturation and colour lightness as well (to the extent possible).

And yes, I am an ex calibration professional. If you want to have a free feature that maybe works, maybe doesn’t, and if you don’t like it you can turn it off, this is great. If you want to KNOW if you get the best your setup can do, hire a pro. More than anything, what the pro delivers is certainty.
 
I have not. But if you are willing to send a professional to calibrate my system, I'm willing to allow them for the sake of scientific comparison :)
Just a friendly note: When I did calibrations, I often saw TV’s where you could argue that the improvement was neglible (although I very rarely had people take me up on my full satisfaction warranty). I never once calibrated a projector where there was not significant improvements to be made, regardless of the enthusiasm of the customer, even some that had purchased prosumer-level calibration gear themselves. Sometimes the improvement had nothing at all to do with colours. There are just so many more variables in projector setups. If you care enough to use a projector in the first place, you should care enough to get a pro.
 
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