2018 LG C8-E8 Owners' Thread (No Price Talk) - Page 158 - AVS Forum | Home Theater Discussions And Reviews
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post #4711 of 19358 Old 09-10-2018, 10:49 AM
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2018 LG C8-E8 Owners' Thread (No Price Talk)

Quote:
Originally Posted by DistractedforLife View Post
I finally am part of the 4k family (LG 55" C8 oled). I am very happy with this set. I see no problems with the screen but keep in mind im coming from a 1080p set. Im not using the YouTube app nor any apps from tv at least so far. I do hook up my laptop to this tv to view YouTube which leads me to this question i have. When i watch 4k clips this way am i getting true 4k signal or upscaled 4k? My laptop is not 4k and the hdmi cable im using is version 1.4 oh and am i getting true HDR? I have the picture mode set at HDR Effect Strong . I dont see a PC mode selection...


No and no.

Use the built in YT app.


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post #4712 of 19358 Old 09-10-2018, 10:59 AM
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Quote:
Originally Posted by waltinaz View Post
Thanks; I need to play around a bit more with it, and check out the LIS content. I was watching some HDR stuff on YouTube last night, and Cinema Home seemed better than Cinema.
What are you watching?

YouTube is a minefield of inconsistent colour balance.
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post #4713 of 19358 Old 09-10-2018, 11:00 AM
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Quote:
Originally Posted by srinivas1015 View Post
I’m guessing this carries over to the PS4 as well? What’s the consensus— set it to Full for games and Limited for watching movies?

On the PS4 you can use RGB Full for SDR games (Black Level High). But for HDR games it's always Black Level Low, because 60Hz 10bit full RGB is not possible with HDMI 2.0.
I don't watch movies on the PS4 but I'd assume it's the same as with games.
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post #4714 of 19358 Old 09-10-2018, 11:28 AM
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Originally Posted by StumpyBloke View Post
No and no.

Use the built in YT app.


Sent from my iPhone using Tapatalk
thank you...
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post #4715 of 19358 Old 09-10-2018, 11:29 AM
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Is there a way to see in the TV info the bitdepth the TV receives? And if I connect my PC to the C8 for watching Movies (1080Pand 4K HDR using madVR), should I select PC mode input or leave it as HDMI X input mode?

Thanks!

TV : LG OLED 65C8 [U]
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post #4716 of 19358 Old 09-10-2018, 11:56 AM
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Quote:
Originally Posted by srinivas1015 View Post
I’m guessing this carries over to the PS4 as well? What’s the consensus— set it to Full for games and Limited for watching movies?
Well rather than a consensus of what people vote for , technically is what matters. Full range/high for games is correct with the caveat about HDR 4K60 not allowing RGB/4:4:4 anyway. Limited range is always correct for movies.

Quote:
Originally Posted by Dreamer2018 View Post
Is there a way to see in the TV info the bitdepth the TV receives? And if I connect my PC to the C8 for watching Movies (1080Pand 4K HDR using madVR), should I select PC mode input or leave it as HDMI X input mode?
Patience man! You didn't need to re-post the question just because no-one had answered that quickly

Sadly, no. This is one of my very few disappointments with an otherwise brilliant TV.
  • The TV does not display the frame-rate.
  • The TV does not display the bit depth.
  • The TV does not display the chroma sub-sampling information (RGB, 4:4:4, 4:2:2, 4:2:0, etc).

All you get is 16:9, resolution (eg "1080i"), and whether the sound is PCM or not.
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post #4717 of 19358 Old 09-10-2018, 12:05 PM
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Hi everyone.

Just pulled the trigger on a LG C8PUA 65" at Best Buy. My biggest fear is burn-in as we do watch some morning news programs an hour or so per day & sports that has those info bars at the bottom of the screen. But, outside of the spectacular PQ, I think the thing that sold me was the salesperson said the LG's ɑ9 processor "wipes" static images as the set is turned off instead of having to do this manually. I'll know later this week once it arrives. I hope he's right! Is he?

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post #4718 of 19358 Old 09-10-2018, 12:07 PM
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Quote:
Originally Posted by BuGsArEtAsTy View Post
What are you watching?

YouTube is a minefield of inconsistent colour balance.
Yeah, I know...but taking that into account. Been enthralled with alot of the 4K/8K nature and travel and sports content. Not watching poor quality user stuff.
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post #4719 of 19358 Old 09-10-2018, 12:11 PM
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Quote:
Originally Posted by mrtickleuk View Post

Patience man! You didn't need to re-post the question just because no-one had answered that quickly

Sadly, no. This is one of my very few disappointments with an otherwise brilliant TV.
  • The TV does not display the frame-rate.
  • The TV does not display the bit depth.
  • The TV does not display the chroma sub-sampling information (RGB, 4:4:4, 4:2:2, 4:2:0, etc).

All you get is 16:9, resolution (eg "1080i"), and whether the sound is PCM or not.
Well, actually I reposted this several times and didn't get any answer so thanks for answering, very disappointing but not big deal.

And what about the second question ? Better set the TV input to PC mode or HDMI regular mode? (watching 4k HDR and 1080P movies using madVR ) , when watching movies I usually change to 4K resolution , 23Hz frame rate and switch to RGB 12bit (FULL) .

TV : LG OLED 65C8 [U]

Last edited by Dreamer2018; 09-10-2018 at 12:56 PM.
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post #4720 of 19358 Old 09-10-2018, 12:29 PM
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Quote:
Originally Posted by DERG View Post
Hi everyone.

Just pulled the trigger on a LG C8PUA 65" at Best Buy. My biggest fear is burn-in as we do watch some morning news programs an hour or so per day & sports that has those info bars at the bottom of the screen. But, outside of the spectacular PQ, I think the thing that sold me was the salesperson said the LG's ɑ9 processor "wipes" static images as the set is turned off instead of having to do this manually. I'll know later this week once it arrives. I hope he's right! Is he?
Static images are not wiped, just reduced in luminance a bit if on screen for more than so many seconds. Not sure how affective though, I can hardly see the difference, even with the setting on 'high'. Pixel refreshing is the other function, those are activated when the set is off after so many hours of viewing or activated manually before shutting down. The more aggressive refresher is not automatic, and should not be run unless you are experiencing noticeable picture changes. Think all this is explained in the manual, although poorly.
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post #4721 of 19358 Old 09-10-2018, 12:55 PM
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Quote:
Originally Posted by bobkat007 View Post
Static images are not wiped, just reduced in luminance a bit if on screen for more than so many seconds. Not sure how affective though, I can hardly see the difference, even with the setting on 'high'. Pixel refreshing is the other function, those are activated when the set is off after so many hours of viewing or activated manually before shutting down. The more aggressive refresher is not automatic, and should not be run unless you are experiencing noticeable picture changes. Think all this is explained in the manual, although poorly.
I probably misquoted the salesperson. Pixel refreshing sounds right. In any case that's what sold me.

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post #4722 of 19358 Old 09-10-2018, 01:50 PM
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Quote:
Originally Posted by DERG View Post
I probably misquoted the salesperson. Pixel refreshing sounds right. In any case that's what sold me.
There are two - there's one gentle one that runs after every [cumulative] 4hrs of use, the next time you go into standby. So that will normally run overnight and keeps everything looking good.
The "pixel refresher" is the much more aggressive one that you run manually, and wouldn't normally use.

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post #4723 of 19358 Old 09-10-2018, 01:51 PM
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Quote:
Originally Posted by Dreamer2018 View Post
And what about the second question ? Better set the TV input to PC mode or HDMI regular mode? (watching 4k HDR and 1080P movies using madVR ) , when watching movies I usually change to 4K resolution , 23Hz frame rate and switch to RGB 12bit (FULL) .
Don't know, so didn't respond to that part. It's not a 12-bit panel, but to get 4:4:4 from a PC I think you "have" to set the TV to PC mode.

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post #4724 of 19358 Old 09-10-2018, 02:22 PM
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LG UBK90 and the C8?

Anyone using the LG UBK90 UHD/DV Blu-Ray player with the C8? Experience(s)?

Thanks!

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post #4725 of 19358 Old 09-10-2018, 02:37 PM
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Quote:
Originally Posted by bobkat007 View Post
Started watching second season of Ozark on Netflix, any others finding default Dolby Vision a bit to dark on indoor scenes? Looks great outdoors though. Room is not completely dark, which might help I guess...just don't like watching in complete darkness. So with gamma fixed in Dolby Home Cinema mode, any suggestions for lightning it up some?
I found some of the Dolby Vision indoor scenes to be exceedingly dark, too. Another thing I noticed is that in a few places when quickly shifting from indoor to outdoor scenes, the picture gradually "ramps up" in brightness, as though it were operating in an energy-saving mode, which it is not. Is that a normal condition with this TV?
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post #4726 of 19358 Old 09-10-2018, 03:53 PM
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Originally Posted by jk82 View Post
No, there is no saturation/color change here when using 100 contrast in Windows, also no clipping. I'm outputting 8 bit fullRGB when using my PC. It might be different if you use 10/12 bit YCbCr.

I have the exact same settings from the computer. If you don't mind, could you list yours in detail?

Thanks.
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post #4727 of 19358 Old 09-10-2018, 04:53 PM
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I have another video here of what I see with my 77c8. It’s hard to explain what I see but say I have a black screen and somthing fades into the screen. I don’t get a even fad in. As soon as the pixels start coming on it seems that they jump to a brightness that’s too high at first then they dim. So when something starts fading is say in the centre of the screen and goes out to the rest of the screen the outer part will be brighter..... if that makes any sense. Here is a video of it that I slowed down a bit.

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post #4728 of 19358 Old 09-10-2018, 05:17 PM
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Found new issue other then buzz that really bugging me.
It’s the Netflix sound loss for 1 sec every 3-4 min when watching Dolby Vision + Atmos series .



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post #4729 of 19358 Old 09-10-2018, 05:19 PM
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@Adamd

According to reviews, the near-black performance on less than pristine material for the LG OLEDs is inferior to the Sonys and probably the Panasonics as well. While I can confirm the LG looks awesome for near-blacks on excellent feeds, it's well documented that for lower resolution and lower quality near-black content, sometimes the LGs just don't do so well. I'm not sure what you are showing is exactly the same, but it's probably for the same reason. The Alpha 9 just isn't quite there yet. In addition, I've noticed that the motion handling of the Alpha 9 is just not top tier.

OTOH, the Sonys have a too aggressive ABL and they also clip all HDR highlights above 1000 nits, where as LGs tone map to bring out all that extra detail while still maintaining overall brightness. Then there are the Panasonics which don't support Dolby Vision at all. (They aren't available in the US, but they are available here in Canada.)

So... so far, there is no perfect OLED.

I've said before that what I am hoping for is that in four years is an LG SoC that can handle motion and near-black content as well as the Sony does now, but while retaining or improving the brightness advantage, at a lower price and with HDMI 2.1.

Quote:
Originally Posted by Stigmater View Post
Found new issue other then buzz that really bugging me.
It’s the Netflix sound loss for 1 sec every 3-4 min when watching Dolby Vision + Atmos series .
On my Marantz receiver, the TV says I'm getting Atmos, but I don't actually get Atmos. I get Dolby Digital Plus 5.1. Plus it seemed to cause inconsistent problems over ARC. So I've since shut off Atmos and stick with DD+5.1 only. That seems to be working solidly, and it's an improvement over the DD5.1 of optical.
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post #4730 of 19358 Old 09-10-2018, 05:28 PM
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@Adamd Its really hard to see in that video what your describing, can you provide what your watching and a time stamp?
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post #4731 of 19358 Old 09-10-2018, 05:35 PM
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Quote:
Originally Posted by BuGsArEtAsTy View Post
@Adamd

According to reviews, the near-black performance on less than pristine material for the LG OLEDs is inferior to the Sonys and probably the Panasonics as well. While I can confirm the LG looks awesome for near-blacks on excellent feeds, it's well documented that for lower resolution and lower quality near-black content, sometimes the LGs just don't do so well. I'm not sure what you are showing is exactly the same, but it's probably for the same reason. The Alpha 9 just isn't quite there yet. In addition, I've noticed that the motion handling of the Alpha 9 is just not top tier.

OTOH, the Sonys have a too aggressive ABL and they also clip all HDR highlights above 1000 nits, where as LGs tone map to bring out all that extra detail while still maintaining overall brightness. Then there are the Panasonics which don't support Dolby Vision at all. (They aren't available in the US, but they are available here in Canada.)

So... so far, there is no perfect OLED.

I've said before that what I am hoping for is that in four years is an LG SoC that can handle motion and near-black content as well as the Sony does now, but while retaining or improving the brightness advantage, at a lower price and with HDMI 2.1.


On my Marantz receiver, the TV says I'm getting Atmos, but I don't actually get Atmos. I get Dolby Digital Plus 5.1. Plus it seemed to cause inconsistent problems over ARC. So I've since shut off Atmos and stick with DD+5.1 only. That seems to be working solidly, and it's an improvement over the DD5.1 of optical.
The issue I see I do not see in my b7 and I don’t remember ever seeing it on my e6 or my past c8.
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post #4732 of 19358 Old 09-10-2018, 05:38 PM
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Quote:
Originally Posted by Adamd View Post
The issue I see I do not see in my b7 and I don’t remember ever seeing it on my e6 or my past c8.
I can't comment on the E6 because I never had one.
I can't comment on the B7 because I only had it a brief period of time before I returned it for other reasons.
I have seen some weird near-black artifacting on my C8, but only on lower quality video. It doesn't look quite like that video but it was still noticeable. I don't know how much of that is due to the feed and how much is due to the SoC, but I see it nonetheless. In contrast, on high quality feeds, the blacks and near-blacks look perfect, reference quality in fact, but that's probably because the LG doesn't have to do any processing to clean it up.
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post #4733 of 19358 Old 09-10-2018, 05:38 PM
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Quote:
Originally Posted by Cam1977 View Post
@Adamd Its really hard to see in that video what your describing, can you provide what your watching and a time stamp?
It’s from friends off Netflix s4e19 right from the start. Thanks for looking. I looked at it on my b7 and it does not show what I see on my c8.
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post #4734 of 19358 Old 09-10-2018, 05:39 PM
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Quote:
Originally Posted by BuGsArEtAsTy View Post
@Adamd



According to reviews, the near-black performance on less than pristine material for the LG OLEDs is inferior to the Sonys and probably the Panasonics as well. While I can confirm the LG looks awesome for near-blacks on excellent feeds, it's well documented that for lower resolution and lower quality near-black content, sometimes the LGs just don't do so well. I'm not sure what you are showing is exactly the same, but it's probably for the same reason. The Alpha 9 just isn't quite there yet. In addition, I've noticed that the motion handling of the Alpha 9 is just not top tier.



OTOH, the Sonys have a too aggressive ABL and they also clip all HDR highlights above 1000 nits, where as LGs tone map to bring out all that extra detail while still maintaining overall brightness. Then there are the Panasonics which don't support Dolby Vision at all. (They aren't available in the US, but they are available here in Canada.)



So... so far, there is no perfect OLED.



I've said before that what I am hoping for is that in four years is an LG SoC that can handle motion and near-black content as well as the Sony does now, but while retaining or improving the brightness advantage, at a lower price and with HDMI 2.1.





On my Marantz receiver, the TV says I'm getting Atmos, but I don't actually get Atmos. I get Dolby Digital Plus 5.1. Plus it seemed to cause inconsistent problems over ARC. So I've since shut off Atmos and stick with DD+5.1 only. That seems to be working solidly, and it's an improvement over the DD5.1 of optical.


On my Marantz 7010 I see that I got only DD+ , where I can shut off Atmos since I don’t using it as well.


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post #4735 of 19358 Old 09-10-2018, 05:41 PM
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On my Marantz 7010 I see that I got only DD+ , where I can shut off Atmos since I don’t using it as well.
You have to turn off ARC and put the LG into TV speaker mode. Then you can shut off Atmos on the TV in the sound settings. Once you do that, go back to ARC and you'll notice that Atmos is no longer listed in Netflix, only 5.1 audio, which will be DD+5.1 over ARC.
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post #4736 of 19358 Old 09-10-2018, 05:51 PM
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Originally Posted by Cam1977 View Post
@Adamd Its really hard to see in that video what your describing, can you provide what your watching and a time stamp?
Here is another video of me just messing with the brightness controls. You can see when detail is brought out it flashes bright for a second then dims. This it what I see lower but rate does bring it out way more because of all the microblocking in blacks.

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post #4737 of 19358 Old 09-10-2018, 06:01 PM
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Quote:
Originally Posted by Adamd View Post
Here is another video of me just messing with the brightness controls. You can see when detail is brought out it flashes bright for a second then dims. This it what I see lower but rate does bring it out way more because of all the microblocking in blacks.

https://youtu.be/nXyb7hXMf3M
I think @jk82 made a test video for this couple months back that you could try. I feel like this could be the "tonal jumps" vincent talks about in his c8 vs af8 review. This also looks similar to last year when the b7 had some near black problems but they later fixed it on a firmware (also per vincent's review). Maybe they're back again and could be fixed with a firmware upgrade as well.. because that's odd that you see it on your c8 and not c7 when the c8 should have better near black handling...
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post #4738 of 19358 Old 09-10-2018, 06:02 PM
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Quote:
Originally Posted by Adamd View Post
Here is another video of me just messing with the brightness controls. You can see when detail is brought out it flashes bright for a second then dims. This it what I see lower but rate does bring it out way more because of all the microblocking in blacks.

https://youtu.be/nXyb7hXMf3M
Hmm... I have never, ever seen that.

The near black problems I've seen are aberrant colour artifacts, and perhaps some not-so-good gradients. Never flashing whites.

Is this with the built-in Netflix app, or a different streaming box. If the latter, it could be the HDMI cable.

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Originally Posted by jbalder19 View Post
I think @jk82 made a test video for this couple months back that you could try. I feel like this could be the "tonal jumps" vincent talks about in his c8 vs af8 review. This also looks similar to last year when the b7 had some near black problems but they later fixed it on a firmware (also per vincent's review). Maybe they're back again and could be fixed with a firmware upgrade as well.. because that's odd that you see it on your c8 and not c7 when the c8 should have better near black handling...
What Vincent Teoh was talking about was gradients being lost into a mess of black blocks with loss of tonal information. No white flashes.

Even if this was truly fixed in the x7 line, I could see it reappearing this year as it is a new SoC. It could get fixed though through a firmware update.
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post #4739 of 19358 Old 09-10-2018, 06:05 PM
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Hmm... I have never, ever seen that.

The near black problems I've seen are aberrant colour artifacts, and perhaps some not-so-good gradients. Never flashing whites.

Is this with the built-in Netflix app, or a different streaming box. If the latter, it could be the HDMI cable.
It does it with all sources including built in apps.
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post #4740 of 19358 Old 09-10-2018, 06:07 PM
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It does it with all sources including built in apps.
That's really weird. Like I said I haven't seen it, but also, I don't think I've seen anyone else report that either.
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