I am not sure if this is the right/best thread to post this in but I do have an LG C8 so I figure it's a good place to start. I apologize now that this may get a little long. I am hoping to get some opinions, insight, and knowledge on something that has been weighing on my mind.
I have a C8 65 inch OLED. I have had it about 8 months now and it's my first OLED and first 4K TV. I had it professionally calibrated this week, something I once upon a time thought I would never do, then changed my mind and became very excited about. It's my calibration session that I want to talk about. I want to know if what I experienced is "wrong" and if I basically am missing something.
Before my calibration, I read up and watched videos on the subject. I'd say my expectations were primarily set by this video
. I found it very interesting and informative, not to mention a nice bonus that my same TV model is being calibrated in the video.
Let me say that I have no doubt my calibrator was knowledgeable and knew what he was doing. The guy must have 30+ years experience in audio and video. So definitely an experienced man. We spend 5+ hours on my calibration when all said and done so there was definitely time invested. (I have not spoke to him about any of the concern that have been in my head, it's not something I feel comfortable doing -- at least not yet.)
I hate to do it, but for ease of writing this I am going to list out the things that didn't happen, or happened different than I expected. (Again, largely based on the video above.) I realize of course that every calibrator will do things differently, but I just want to know if something was outright not done than should of been, or needs to be.
1. He did not do what I think is called a Color Gamut profile on my TV. It's something as I understand it takes about 90 minutes to do at 3500 "Points." He said he has my same TV at home and had gotten the profile off that. Is that acceptable?
2. At no point did he put up any test patterns from a disc like spears and Munsil and adjust anything manually. Things like contrast, sharpness, brightness, etc. This is probably the item I have been dwelling on the most as it didn't occur to me until later after he had left.
A few notes about item 2. I skimmed and re-watched the video above before writing this post. A few things I did not recall until I saw it again on the video: At least according to that calibrator, sharpness, brightness, etc, only seems to need to be adjusted by "eye" in a bright room environment. In my home, my TV is in the living room but I have curtains to make the room very dark, even in broad daylight. I did tell my calibrator than when I watch a movie, I will have it dark. My family will also use the same TV, in a bright room but they frankly are not going to know or care if the settings are accurate. So many he didn't do that simply because it wasn't going to apply to my personal viewing environment?
While my calibrator did not use any test patterns, he DID play multiple specific scenes from multiple movies from both Blu-ray and 4K movies. Perhaps he just used those and determined my settings such as brightness, contrast, etc simply needed no adjustment?
If I am being completely honest, I actually bought the new S&M UHD disc shortly before deciding to get my TV Pro Calibrated so it's not like I can't pop it in and tweak some settings up or down a few clicks if needed. I guess part of me just feels I shouldn't have to. (Though, again, it's entirely possible I don't need to.)
So it turns out those 2 points were all I had. I thought it was more. I should probably mention that I do think my TV looks great, though to be fair I have not had a chance to really watch anything since the calibration. But the demo material we watched looked undoubtedly great.
I've literally lost sleep thinking about all this so I wanted to get it out there and get some thoughts and opinions. Thank you!
Edit. Hello again. It just occurred to me that I don't think we did my SDR Bright room calibration when my room was actually bright. I know we did it and it has roughly double the luminance as my dark room SDR calibration. But is that...right? Doesn't the calibration need to be done in the room environment it's intended for so all the settings can be set based on ambient conditions? I asked him about it and he mentioned that my bright mode doubled my light output and he said “ The bright room setting are a convenience mode not a video standard.”
While I am re-posting, I am having a hard time getting my mind around calibration and what it really can and can't do. It's mean to fix issues with your picture but can only do so much correct? So what is the limiting factor? The shortcomings of the display? So then a calibration can't always "Fix" everything?
Case in point, my Dolby Vision after calibration still has a peak in the black range. I don't know how big a deal this actually is or what it means for content. I know delta errors below 3 are fine so this one is borderline.