2017 LG C7-B7 Owners' Thread (No Price Talk) - Page 1015 - AVS Forum | Home Theater Discussions And Reviews
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post #30421 of 36146 Old 06-28-2018, 01:02 PM
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Originally Posted by Konig41 View Post
Is there any way to solve to audio sync problem? Does everyone have this problem? If I exchanged it for another set, what are the chances that one would also be affected. It’s slight, but it’s irritating and making me not want this tv. $1500, you would think they could get it synced properly.
I've never had a sync problem with my htpc, live tv, Rogers cable box, or apple tv 4k with the internal speakers, sending audio via optical, or audio via ARC on a c7.

Tried the sound sync settings in the Menu?
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post #30422 of 36146 Old 06-28-2018, 01:05 PM
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Were there ever Game Mode presets recommended for HDR/SDR? Color is excellent on Technicolor Expert, but way off on Game mode. I have to use a color temp at W30 or more to get similar warmth tones.
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post #30423 of 36146 Old 06-28-2018, 01:14 PM
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Originally Posted by kromex View Post
My 65C7 doesn’t turn on anymore. The red LED just flashes 2 to 3 times after pressing the power button. I’ve tried unplugging from the power outlet and leaving it a few minutes for resetting. It was purchased last October and only lightly used for less than 8 hours a week. Can anyone suggest anything?
You need a service call.......Probably a bad board or power supply.
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post #30424 of 36146 Old 06-28-2018, 01:19 PM
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Originally Posted by Culpepper View Post
It's surprising that there is no HD audio via streaming. Does anyone know why? It can't be a bitrate issue, as audio takes a fraction of the bandwidth required for video. If Netflix can stream 4k HDR at 15 Mbps, surely HD audio could be included or added with a very small increase in bandwidth.

A TrueHD stream uses up to 18Mbit/s. DTS-HD can use 24.5Mbit/s. So yes it very much is a bandwidth problem. DD+ is usually under 1Mbit/s. The video is extremely well compressed these days.
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post #30425 of 36146 Old 06-28-2018, 01:21 PM
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Originally Posted by zinfella View Post
A few days ago I bought an LG UBK90, and got a 20 pack of Redbox rentals in the bargain. So, I went to the Redbox website to see what content I was going to rent to try out my new BD player. I had seen nearly everything that would interest me, and I was not interested in seeing something that I had already seen. It dawned on me how much i liked the streaming versions of the content that I'd seen, and that I had probably wasted the money on the UBK90. I returned the UBK9 unopened, and got credit for the Redbox 20 pack since I had not used any of the vouchers.

IMO. streaming is that good, and while others may not agree, they aren't paying for my gear.
Especially the AppleTV 4K. I put a signal analyzer on my ATV 4K's HDMI port, and it is outputting 17.92Gb on DV playback. And now that it will have Atmos, pretty much most of the objections will have been addressed.

BEFORE THE ATV DOUBTER SQUAD STARTS CHIMING IN: I know that lossy Atmos isn't as "good" as lossless Atmos, but it's still better than 5.1 - and it would be interesting to do a blind taste test to see if anyone could tell the difference. LOL

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post #30426 of 36146 Old 06-28-2018, 01:25 PM
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Originally Posted by Omni009 View Post
I forget the specifics of the Sony TV issue with DV, but the X700 DV works with the LG tv's. (I think it was that Sony sets weren't working while others where or something.)
Right, it works on my LG B7a, and it should work fine with Sony TVs as well. The only "issue" these are currently experiencing is that they don't properly detect DV Content, and require manual switching on, which forces DV on all SDR and HDR10 content, like the ATV 4K on launch.

The Sony issue is that ONLY this player will serve DV to their TVs that got the update, that means no Oppos, no Phillips and no LG player can serve owners of their TVs. I believe the presumption is that it's using something similar to the Apple TV 4k which also does DV on Sony is why some OLED owners are reporting better results with the x700 over DV.
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post #30427 of 36146 Old 06-28-2018, 01:33 PM
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Originally Posted by lsorensen View Post
A TrueHD stream uses up to 18Mbit/s. DTS-HD can use 24.5Mbit/s. So yes it very much is a bandwidth problem. DD+ is usually under 1Mbit/s. The video is extremely well compressed these days.
Interestingly I have been reading about this very issue lately. They do in fact use very little bandwidth on audio, but while the uber high formats are out of the question the consensus was that they could easily do better than what they are now with little impact. Enough people just have to complain about it. Lots of people just use the TV speakers or a cheap soundbar, so good enough is good enough.

That apple TV is tempting me though...
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post #30428 of 36146 Old 06-28-2018, 01:39 PM
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Originally Posted by sonoftumble View Post
Especially the AppleTV 4K. I put a signal analyzer on my ATV 4K's HDMI port, and it is outputting 17.92Gb on DV playback. And now that it will have Atmos, pretty much most of the objections will have been addressed.

BEFORE THE ATV DOUBTER SQUAD STARTS CHIMING IN: I know that lossy Atmos isn't as "good" as lossless Atmos, but it's still better than 5.1 - and it would be interesting to do a blind taste test to see if anyone could tell the difference. LOL

Well the HDMI bandwidth after decompressing everything isn't really that relevant. That's purely a factor of resolution, refresh rate and color depth.

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post #30429 of 36146 Old 06-28-2018, 01:40 PM
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[/quote]
I've never had a sync problem with my htpc, live tv, Rogers cable box, or apple tv 4k with the internal speakers, sending audio via optical, or audio via ARC on a c7.

Tried the sound sync settings in the Menu?[/QUOTE]

I’m going HDMI from my blu ray player to receiver to tv. Should I be doing this another way?
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post #30430 of 36146 Old 06-28-2018, 01:46 PM
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Originally Posted by lsorensen View Post
Well the HDMI bandwidth after decompressing everything isn't really that relevant. That's purely a factor of resolution, refresh rate and color depth.
My point is that the AppleTV 4K is moving data pretty much at the limits of HDMI 2.0. It's not compressing anything, the color depth is 12bit, and there's zero banding issues.
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post #30431 of 36146 Old 06-28-2018, 01:51 PM
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Originally Posted by kromex View Post
My 65C7 doesn’t turn on anymore. The red LED just flashes 2 to 3 times after pressing the power button. I’ve tried unplugging from the power outlet and leaving it a few minutes for resetting. It was purchased last October and only lightly used for less than 8 hours a week. Can anyone suggest anything?
We had exactly the same issue a couple months ago. Called LG Support and they sent a local technician who brought a new main board and a new power supply. He swapped out the main board, and viola! Back in business. The whole process took about 3 days from phone call to repair.

P.S. When I called support, they had me unplug the TV and hold the power button on the side for 10-20 seconds, which didn't have any effect, but you might give that a try before calling to save a step.

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post #30432 of 36146 Old 06-28-2018, 01:53 PM
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No, I'm saying that mastering anything at 10,000 nits is ridiculous. It completely destroys picture quality. The best that the Samsung, or Sony Z9, and soon, the Vizio Quantum P can do is 2,000 nits - before calibration. That's 20% of 10,000, so there will still be serious tone mapping going on with those options as well.



I saw a 10,000 nit prototype from Sony at CES this year, but that's the only one in existence, and I believe they were using laser backlighting to pull it off. How much coin do you want to drop to play games on that panel?



We need to go back to traditional gamma curves and stop this tone mapping insanity. If you've had the opportunity to take in an HLG HDR signal, you will love how it smooths everything out and doesn't care about nits. If your TV gets brighter, it gets brighter. That's it.


Plus a lot of those TVs clip detail out above their max instead of tone mapping which removes some fine detail in highlights depending on how they tone map to begin with. So it may be brighter but less detailed. Kind of have to pick one or the other at this point.
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post #30433 of 36146 Old 06-28-2018, 01:54 PM
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Originally Posted by Valkyre View Post
Guys since there is no active HDR in game mode, do you think it is a good idea to use a Cinema profile to be able to enjoy active HDR and have good input lag by turning everything off (like motion interpolation etc)?



Also another question. Is it bad for the display's longevity to have the OLED light at 100 while gaming (in game mode)? I see rtings.com suggest as well to have the OLED light at 100, as well as many users. Is it ok?


The input lag is way too high for me outside of games mode. Try it and see though. OLED light at 100 is fine

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post #30434 of 36146 Old 06-28-2018, 02:02 PM
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Here's an article I thought id share. Quite interesting and perhaps worthy of a discussion. Thoughts?

https://www.techhive.com/article/323...r-oled-tv.html

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Originally Posted by skip61 View Post
Yes there is also a plastic film on the back of the B7/C7 also that has to be removed.
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Originally Posted by golferdad50 View Post
Is there any reason(s) why this can not be left on?

I do not see it interfering with anything back there. I left mine on for additional protection.
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Originally Posted by r-gordon-7 View Post
I left the thin clear plastic film on the back of my set as well. It's on the back of just the thin upper part of the screen, where there are no grilles, holes or any other openings that it might cover, anyhow. Seems to me that if it really needed to be removed for any reason, there would've been a notice to that effect somewhere in the packaging.
Good luck with leaving that crap on- after some time, when it starts to peel and gets all gooey, you'll have a hell of a time getting it off. Take the condom off after it's served its purpose.
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post #30436 of 36146 Old 06-28-2018, 02:03 PM
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Originally Posted by sonoftumble View Post
Especially the AppleTV 4K. I put a signal analyzer on my ATV 4K's HDMI port, and it is outputting 17.92Gb on DV playback. And now that it will have Atmos, pretty much most of the objections will have been addressed.

BEFORE THE ATV DOUBTER SQUAD STARTS CHIMING IN: I know that lossy Atmos isn't as "good" as lossless Atmos, but it's still better than 5.1 - and it would be interesting to do a blind taste test to see if anyone could tell the difference. LOL
I love the Apple TV 4K, It serves me 99% of my content, as the Apple TV 4 did on my 1080p TV, but this time it really serves up a viable option for owning movies, as well as rentals. I would contend that even iTunes 1080p is decent enough to never bother with redbox or buying blind, but especially upscaled on a good TV like the OLEDs, you do see a bit of softness and blocking etc on the 1080p stuff, that Blu-Rays just don't show. Historically I've gone with BR for both a physical copy and max quality if I know I'll rewatch the film more than once in the future.

Almost all of my 4k viewings on Apple TV have been near perfect however. I saw some macroblocking in a dark scene in Love Simon (great watch) the other night, and some compression bluriness going on in the storm sequence in Tomb Raider (not so great of a watch) as well. These are small hiccups though, as films like Annihilation are perfect, for half the price of the discs as well. Plus, plenty of films, like the Warner Bros films are getting DV on Apple TV, while the discs are saddled with HDR10 only.

The downside though, is that there's a perceptible loss of detail to my eyes on films with any grainfield. Blade Runner, and especially The Fifth Element are noticeably less grainy and therefore less detailed than the disc copy. This means I'm still going to stick to getting the discs when I really want a hard copy, and think that the image will receive a perceptible bump up in quality, but its not often these titles come out.

I'm a vinyl collector and a hardcore physical media enthusiast, but I think Apple really has won me over with the quality of these releases and the price to get them.
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post #30437 of 36146 Old 06-28-2018, 02:04 PM
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Originally Posted by Datagg View Post
Here's an article I thought id share. Quite interesting and perhaps worthy of a discussion. Thoughts?

https://www.techhive.com/article/323...r-oled-tv.html

I think the dedicated thread has already covered it quite well.

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post #30438 of 36146 Old 06-28-2018, 02:23 PM
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Originally Posted by robnalex View Post
Good luck with leaving that crap on- after some time, when it starts to peel and gets all gooey, you'll have a hell of a time getting it off. Take the condom off after it's served its purpose.
OK, having posted the above smartass reply, I checked, and my condom it still on too! Could have sworn the delivery guys peeled that off. Mine's wall mounted so, hmmm....may have to leave it on for a while.
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post #30439 of 36146 Old 06-28-2018, 02:48 PM
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Originally Posted by zombie.modernist View Post
I love the Apple TV 4K, It serves me 99% of my content, as the Apple TV 4 did on my 1080p TV, but this time it really serves up a viable option for owning movies, as well as rentals.

The downside though, is that there's a perceptible loss of detail to my eyes on films with any grainfield. Blade Runner, and especially The Fifth Element are noticeably less grainy and therefore less detailed than the disc copy. This means I'm still going to stick to getting the discs when I really want a hard copy, and think that the image will receive a perceptible bump up in quality, but its not often these titles come out.

I'm a vinyl collector and a hardcore physical media enthusiast, but I think Apple really has won me over with the quality of these releases and the price to get them.
I recently purchased the disc of "Saving Private Ryan" and I redeemed the digital copy and installed into iTunes. So now I have for comparison the HDR10 version - via my Samsung K8500 player - and the DV iTunes version. My initial impression is that the iTunes DV version is "grainier" than the HDR10 disc version. Both are very grainy to the extent that it looks embellished - almost like it was shot on 16mm film. I know SPR is supposed to have a gritty look, but I think there is some kind of processing going on. Admittedly, my observation is somewhat anecdotal because I think that the tone mapping is being applied differently between the two versions, and there may be some other factors. Overall, the sharpness appears to be roughly the same.

In general, if push comes to shove, I'm going to lean on the disc as the reference source, but the ATV 4K is very very close.

LG OLED65C7P 4-20-19 Calibration SDR/HDR/DV FW 05.80.15: https://www.avsforum.com/forum/40-ol...l#post57928994
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post #30440 of 36146 Old 06-28-2018, 02:54 PM
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I recently purchased the disc of "Saving Private Ryan" and I redeemed the digital copy and installed into iTunes. So now I have for comparison the HDR10 version - via my Samsung K8500 player - and the DV iTunes version. My initial impression is that the iTunes DV version is "grainier" than the HDR10 disc version. Both are very grainy to the extent that it looks embellished - almost like it was shot on 16mm film. I know SPR is supposed to have a gritty look, but I think there is some kind of processing going on. Admittedly, my observation is somewhat anecdotal because I think that the tone mapping is being applied differently between the two versions, and there may be some other factors. Overall, the sharpness appears to be roughly the same.

In general, if push comes to shove, I'm going to lean on the disc as the reference source, but the ATV 4K is very very close.
At what viewing distance, is the comparison? I got a Apple TV 4k, as part of a DirectTVNow offer in April. I sit at 6.5 feet away from the TV.
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Where did you purchase yours from? Curious if the Redbox offer was specific to a certain store.
Costco.
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post #30442 of 36146 Old 06-28-2018, 03:08 PM
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If you don't have a nice sound system, then streaming is great. The PQ is pretty amazing these days when it comes to streaming. Sound still has much to be desired if you have a nice Atmos setup.
IMO, your sound system doesn't necessarily need Atmos to qualify as being "nice".
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post #30443 of 36146 Old 06-28-2018, 03:36 PM
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When the 4k Redbox comes to my city, I'll be there every week. At $2.50 a poo, it's half the price of Itunes. They always have coupons to bring it down $1 rentals or 2-for-1 deals.

Redbox 4k rentals $2.50: https://variety.com/2018/digital/new...ls-1202818029/
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post #30444 of 36146 Old 06-28-2018, 03:58 PM
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At what viewing distance, is the comparison? I got a Apple TV 4k, as part of a DirectTVNow offer in April. I sit at 6.5 feet away from the TV.
I sit about 8 feet from the TV. The grain I'm seeing is almost sparkling, and the "particles" are larger. I have several other film based titles in both disc and iTunes formats.

Close Encounters is also very grainy. Interstellar and Braveheart are two excellent examples of film to digital transfers. These two titles are not nearly as grainy - and the particles are very small - so I don't really notice the grain unless I get my nose directly in front of the screen.

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Peeling off the plastic is easily the best part of buying a new piece of electronics. It also greatly enhances the color and clarity of the brushed aluminum back, and reduces glare to make daytime viewing of the back of your TV more enjoyable.
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post #30446 of 36146 Old 06-28-2018, 05:36 PM
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Right, it works on my LG B7a, and it should work fine with Sony TVs as well. The only "issue" these are currently experiencing is that they don't properly detect DV Content, and require manual switching on, which forces DV on all SDR and HDR10 content, like the ATV 4K on launch.

The Sony issue is that ONLY this player will serve DV to their TVs that got the update, that means no Oppos, no Phillips and no LG player can serve owners of their TVs. I believe the presumption is that it's using sometlhing similar to the Apple TV 4k which also does DV on Sony is why some OLED owners are reporting better results with the x700 over DV.
An Oppo Beta software update is available that provides Dolby Vision support for Sony TVs. Oppo calls them TV-led and Player-led (the new profile for Sony) Dolby Vision options. The Player-led option also works with 2017 LG TVs. I have been checking it out on my B7A.

Oppo automatically detects DV. It can automatically detect which Dolby Vision profile to use for the TV. You can manually specify the profile to use for TVs like the LG that support both. The Oppo can even convert input to Dolby Vision output. I haven’t had reason to try this.

CJ
JVC RS500|LG B7A OLED|Denon X6400H/X4200W|Panasonic UB820|Two Oppo 203|Samsung K8500|Apple TV 4K|HDfury Diva/Vertex/Linker/Integral

Last edited by claw; 06-28-2018 at 05:51 PM.
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post #30447 of 36146 Old 06-28-2018, 05:39 PM
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Originally Posted by Valkyre View Post
Guys since there is no active HDR in game mode, do you think it is a good idea to use a Cinema profile to be able to enjoy active HDR and have good input lag by turning everything off (like motion interpolation etc)?

Also another question. Is it bad for the display's longevity to have the OLED light at 100 while gaming (in game mode)? I see rtings.com suggest as well to have the OLED light at 100, as well as many users. Is it ok?


What else did you turn off besides the motion settings ?
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post #30448 of 36146 Old 06-28-2018, 06:46 PM
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I recently purchased the disc of "Saving Private Ryan" and I redeemed the digital copy and installed into iTunes. So now I have for comparison the HDR10 version - via my Samsung K8500 player - and the DV iTunes version. My initial impression is that the iTunes DV version is "grainier" than the HDR10 disc version. Both are very grainy to the extent that it looks embellished - almost like it was shot on 16mm film. I know SPR is supposed to have a gritty look, but I think there is some kind of processing going on. Admittedly, my observation is somewhat anecdotal because I think that the tone mapping is being applied differently between the two versions, and there may be some other factors. Overall, the sharpness appears to be roughly the same.

In general, if push comes to shove, I'm going to lean on the disc as the reference source, but the ATV 4K is very very close.



Is there a particular reason you don’t have a Dolby Vision disc player? I know I would like your comparisons on Dolby Vision vs HDR10, both discs and streaming.

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post #30449 of 36146 Old 06-28-2018, 06:49 PM
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Were there ever Game Mode presets recommended for HDR/SDR? Color is excellent on Technicolor Expert, but way off on Game mode. I have to use a color temp at W30 or more to get similar warmth tones.
I searched but couldn't find anything myself. I too found the color tone to favor the cool side. Wasn't quite sure whats recommended in that mode, I don't need cinema accuracy but getting pretty close would be nice.

Someone please help! Lol
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post #30450 of 36146 Old 06-28-2018, 06:51 PM
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Especially the AppleTV 4K. I put a signal analyzer on my ATV 4K's HDMI port, and it is outputting 17.92Gb on DV playback. And now that it will have Atmos, pretty much most of the objections will have been addressed.

BEFORE THE ATV DOUBTER SQUAD STARTS CHIMING IN: I know that lossy Atmos isn't as "good" as lossless Atmos, but it's still better than 5.1 - and it would be interesting to do a blind taste test to see if anyone could tell the difference. LOL
You are not streaming 17.92 Gbps. smh. That is just the HDMI bandwidth and it will be the same even if you playback 480p thru HDMI.
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