Dark / black mode in YouTube videos - Samsung Galaxy Note 8 Questions and Answers

I don't know how to name this post, but I have an issue or doubt.
I have a Samsung Galaxy Note 8.
My brother a Xiaomi Mi9.
We were testing the screen quality, However, I discovered something with my screen:
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My screen isn't 100% dark or black. My brother's screen does.
This is the video:
https://youtu.be/mkggXE5e2yk
I want to know why. I've tried other videos, and they work well.

In my brother's screen, the background of the video is 100% black.

In that video, at that same spot, my video is showing the same non-Black at the same spot as yours. The issue might be a power saving option, or the "vivid" display setting. Did you adjust the "color correction" setting on your phone at any time?
---------- Post added at 09:42 PM ---------- Previous post was at 09:37 PM ----------
Other videos / movies show 100% Black, so it might be something weird with this video you found. I consider it a good benchmark video. I get interesting results on my Lenovo Thinkpad T470 with 1080p screen in which it shows this sceen almost fully black in the dark area surrounding the green where it doesn't normaly do for daily use. The brightness of my T470 is about 75%. That YouTube video makes my 1080p screen look like a 4K monitor especially in the dark
---------- Post added at 09:46 PM ---------- Previous post was at 09:42 PM ----------
I played this on my 4K Samsumg TV, and the black areas were 100% black as expected. I think it is something unique to this video and our phones. Power savig is disabled on my phone, and the blue light filter has no effect.

I've tried a lot of things and it doesn't work. That could be some color correction by software

https://9to5google.com/2020/06/10/android-phone-wallpaper-soft-brick-bug-video/
https://www.youtube.com/watch?v=iXKvwPjCGnY
I think the above actually explains OUR situation in a similar manner.
sRGB vs ProPhoto RGB vs Adobe RGB.
Normally in OUR case of the AmoLED, 100% Black should just be the pixel switched OFF, but I feel something weird happens. If I cast my phone to my Samsung 4K TV, the black is 100%, while my phone shows gray like your image.

Related

Screen having dual layer effect? Help

One of first to preorder first patch, and got my nexus 8g since last Monday. Never had and problems with it until an hour ago. Screen suddenly have dual layer overlay my entire screen. Anyone had this problem? Already try the safe mode, the problem still exist. See below screen shot. I would really hate to going through RMA with Google, hear it was pain in the ass
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Sent from my Nexus 7
Here is a better shot with more black screen showing, but where did the black goes?
Sent from my Nexus 7
Okay, viewing my own attachment picture from my computer right now and it looks nothing wrong :crying:. So this is screen problem, not the display, so screen capture is useless...
Try taking a picture of the screen with a camera.
Are you meaning like an image retention issue (where previous screens are still "showing through" what's currently being displayed?
(For example, you'd see a faint image of your homescreen when in the Settings panel)
Sorry for the late reply, been too worried about not able to get my RMA...
lactardjosh said:
Try taking a picture of the screen with a camera.
Click to expand...
Click to collapse
I did try to take some pictures with my phone camera, but the screen had too much reflection that it's hard to tell from the pictures.
However, I did found Androidpolice had a good report on it with same issue and they were having hard time taking the pictures too
Devhux said:
Are you meaning like an image retention issue (where previous screens are still "showing through" what's currently being displayed?
(For example, you'd see a faint image of your homescreen when in the Settings panel)
Click to expand...
Click to collapse
Yes, I believe is the retention issue and worse. My screen got worse each day before RMA came. Screen is pretty much in a VERY BRIGHT LIGHT ( I wouldn't even call it color white because it's really just shinny light) stage before I even unlock the screen. All the light seems to begin to go away after about 10-15 mins of screen use time, then the display will only showing some few "ghost" problem between screen to screen. Maybe this something to do with IPS been too cold? Need a warm start like my old car? lol..j/k
I did made a video of it on that first night it happen, hopefully it will provide some kind of idea how it looks like.
http://youtu.be/XXddTNwgcvg
So I called Google on 7/29 for RMA, and got my replacement on 8/2. So far crossing my finger on the second Nexus 7 from Google.....Thanks.

Plz help me, dark background with red colour in ambient mode

IHello, I had bought this smart watch about 3 months ago.
I work perfectly but now i have problem.
When the watch change to ambient mode the screen very dark and it has red colour in background.
if the background is white, it will change to red.
How to fix it, plz help me cos it has no guarantee in my country.
plz, plz and plz.
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It is normal when wake up.
nobody ? ??
increase your brightness ?
it is not solve problem when i increase brightness.
it has red colour background, i can set many colours but can not set white colour. Maybe the back-lit change from white to red.
Are you using a custom face? if so, change to one of the built-in watch faces from LG, or just try a few different watch faces in general and see what happens.
I'm not sure (because I don't know what watchface you're using) but it definitely looks like your screen is defective.
Now, the screen is death
I have nearly the same problem. It's been this way for about three months. I did a factory reset three times. The screen looks fine in normal mode, but when it dims, it flashes the dimmed color for half a second, then dims dark to red. Mine appears darker. I can't see it in the daylight at all.
mine just started the same thing :/ do i need a new smartwatch ALREADY?
kay so its gotten much worse, it seems to be caused by not enough power tothe screen, it seems to get worse when it attempts white
Hi,
Can we have more informations please ??
like : did you used Stock Watchfaces, if not which one before the problem etc...
just got it back from LG, the note says:
replacement case
replacement ic/pa/filter
does anyone know what that means?
How do we get service on this watch? I can't take it back to the original store because it was in another state and I'm tired of living with it this way. Thanks
call LG in your state and winge.. it worked for me
btw my watch JUST started bugging out again https://www.youtube.com/watch?v=3AeJ6c65lOo

AOD screen burn possibility

Hello All,
I have bought last days a galaxy note 8 snapdragon version, but i have seen a bug (maybe is not a bug) that when using AOD enabled with infinity effect enabled (blue theme) screen on aod stays blue with stars on top and after one minute it goes completely black and shows stars and clock only, that i love it... but when phone is charging and aod enabled, the infiniy effect on aod stays always blue on top of the screen and not black with stars only. Well im wondering if is there a possibility of screen burn from static blue color for all over the night if phone stays all night in charge?
Please Note 8 USERS check and reply if you have the same problem.
Dont ask me to turn off infinity wallpaper or aod bcs i like it and i want to use it, also i am all day out so i must charge the phone over night.
Pic attached.
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Thanks
If you do this regularly, yes it will burn the screen. Your top part the screen will be slightly greener (yellow-red) by burning the blue rapidly.
I do not think it will damage the screen, to the naked eye it looks static, but AOD does shift pixels, to avoid this
@xda_rosh is there any way to fix it?
@winol but why it is black in normal use and blue when charging?
Anyone with Note 8 if have the same problem?
Having the AOD numbers ON is not a problem as they move around a bit. But blue gradient definitely will ruin you display. I can guarantee that. My first Note 8 came one side little brighter (blue-white). I purposely made a blue gradient and left the screen on at high brightness a couple of night. It made the screen bit even by burning that side a bit.
The strange thing is that even the samsung agents that i spoke knew nothing about this.
Is very anoying that we cant use AOD because colored theme applied to AOD will burn the screen

Something about Auto White Balance (AWB) of camera

When you read a review post on the web or watch a review video on YouTube of a certain smartphone, the reviewer will probably spend time commenting the white balance performance of the camera. But what is white balance exactly and why we need it on our smartphone camera?
White Balance
The color of the object looks different from their intrinsic color in different light environment, and white color changes the most significantly. For example, a piece of white paper looks a bit yellow under the light from a filament lamp, and looks a bit blue under the blue sky. Our powerful eyes can correct the color cast caused by different light environment, so we seldom notice the changes and feel good. Hence we can say that our eyes have the ability of Auto White Balance. Cameras need such feature as well, otherwise the pictures can look quite awful.
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Adjust white balance on smartphones
When we take a phone, the smartphone camera automatically performs white balance, which we call it Auto White Balance (AWB). Most of the time, AWB works perfectly and the color of the picture looks accurately. But occasionally, it does not meet our demand precisely or we have a different from normal demand. Then we need to adjust the white balance manually in the camera APP. Below picture taken with different white balance setting show us that we can take very different photos by adjusting the parameter of white balance.
It is easy to have above different white balance setting done on our smartphone. For example, on our smartphone, open the camera APP, choose to use the Pro mode. And we can see the “AWB” logo as shown in below screenshot.
Thanks for reading my very first post! Any ideas or suggestion, please feel free to leave a comment below.
Congratulations for this first message!
This looks to me as an original contribution from you, as I couldn't find on Internet a content exactly like yours... whereas sometimes people post messages containing the same text taken from the Internet pretending it's their work...

Can't recored video in ultra wide with HDR10+ ?

Hi guys,
Today I tried my first video recording with the ultra wide lens.
When I got back home to check my video, I noticed the picture is many times closer than it should be, and very pixelated.
Here are screenshots to show what I mean:
When I'm close to the phone
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When I'm far (shows the original wide angle)
I tried to take a video in my house and the same thing happens. It records perfectly wide but when I go into gallery to watch it, suddenly it's 5 times closer and all pixelated.
I think I found the issue, once I disabled the HDR10+ the problem goes away. But why?
Is this a software issue? Is my phone is bad? or just impossible to shoot properly with this mode on?
Edit: This seems to happen only in Full Screen ratio with HDR10+ enabled.
Is this normal?
Also how do you convert the HDR10+ to regular video? It says I can do it within the gallery but I see no option to do so.
Thanks for your help!
Hello! I would love to watch a video recorded in 4K HDR
Titan7777 said:
Hi guys,
Today I tried my first video recording with the ultra wide lens.
When I got back home to check my video, I noticed the picture is many times closer than it should be, and very pixelated.
Here are screenshots to show what I mean:
When I'm close to the phone
When I'm far (shows the original wide angle)
I tried to take a video in my house and the same thing happens. It records perfectly wide but when I go into gallery to watch it, suddenly it's 5 times closer and all pixelated.
I think I found the issue, once I disabled the HDR10+ the problem goes away. But why?
Is this a software issue? Is my phone is bad? or just impossible to shoot properly with this mode on?
Edit: This seems to happen only in Full Screen ratio with HDR10+ enabled.
Is this normal?
Also how do you convert the HDR10+ to regular video? It says I can do it within the gallery but I see no option to do so.
Thanks for your help!
Click to expand...
Click to collapse
---------- Post added at 03:18 PM ---------- Previous post was at 03:16 PM ----------
Hello!
I would love to watch a video recorded in 4K HDR
Press share button it will automatically convert hdr10+ to normal format
Ajaykmr said:
Press share button it will automatically convert hdr10+ to normal format
Click to expand...
Click to collapse
Thanks but that's not the issue. Please read the post again and check the photos uploaded.
Once I am close to the phone, it will go out of wide lens and pixelate everything as shown in first image.
When I move far from phone, it goes back to normal wide lens.
Not sure what is happening and why.

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