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Arc soundbar

  • May 16, 2020
  • 20 replies
  • 653 views

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Will I be able to experience the full Dolby Atmos sound with my 65” LG SK8000 PUA TV with the Arc soundbar?

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20 replies

Airgetlam
  • May 17, 2020

Have you checked the TV’s manual, to see if it passes either Dolby Digital Plus or TrueHD via ARC or eARC?


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  • Author
  • Contributor I
  • May 17, 2020

Not really I just know that it’s Dolby Atmos compatible. I currently have the Sony HT-8500 soundbar and I’m able to get Dolby Atmos with it when I stream Netflix, Apple TV + and Disney plus with it. I recently pre ordered the Arc and I just want to make sure that I will be able to get the full Atmos surround sound.


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  • Author
  • Contributor I
  • May 17, 2020

Any help would be greatly appreciated.


Airgetlam
  • May 17, 2020

Can you provide a link to the manual, please? Your term “full Atmos” is unclear, do you mean HDMI ARC Atmos, or TrueHD Atmos? The manual link would provide that information. 


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  • Author
  • Contributor I
  • May 17, 2020

I don’t really know too much about these setups which is why I’m reaching out to this forum hoping to get some help from the enthusiasts on here. Your help will be extremely appreciated. Thanks in advance.


Airgetlam
  • May 17, 2020

Right. I’d be happy to help you in reading the manual, if you can post a link to it. 


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  • Contributor I
  • May 17, 2020

Airgetlam
  • May 17, 2020

Based on what I see, and this manual is incredibly unclear, the connection is only HDMI-ARC, not eARC. But it seems to not claim to pass Dolby Digital Plus, just Dolby Digital and DTS, which means no passing of Atmos content to a Sonos device.

Your best bet would be to contact LG and ask them if it will pass a Dolby Digital Plus signal through HDMI ARC.


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  • Author
  • Contributor I
  • May 17, 2020

By full Atmos I mean a true Atmos experience.


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  • Author
  • Contributor I
  • May 17, 2020

I also have a Apple TV 4K. Would that help solve the issue and if so how?


Airgetlam
  • May 17, 2020

There are two ‘versions’ of Atmos, one that’s transported by Dolby Digital Plus, another by TrueHD. Both are true Atmos, just different types. It’s unlikely, in my uninformed opinion, that you’ll be able to hear the difference between the two when using a sound bar, whether it’s a Sonos sound bar, or another company. I suspect you’d need a full blown system with many speakers to hear the difference. 

TrueHD does require eARC, which your TV does not have. 


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  • Author
  • Contributor I
  • May 17, 2020

I would be totally content with the Dolby Digital Plus version. I just need to know if my 📺 has that.


Airgetlam
  • May 17, 2020

As I indicated, it’s not explicitly stated in the manual, you’d need to contact LG. 


controlav
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  • Lead Maestro
  • May 17, 2020

There is a lot of detail on https://www.rtings.com/tv/reviews/lg/sk8000 and it says that Atmos is only provided over DD+.


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  • Author
  • Contributor I
  • May 17, 2020

How does Atmos True HD differ from DD+
Does that mean my Tv 📺 will at least be able to play Atmos over DD+ since it supports DD+?


jgatie
  • May 17, 2020

How does Atmos True HD differ from DD+
Does that mean my Tv 📺 will at least be able to play Atmos over DD+ since it supports DD+?

 

TrueHD is lossless, DD+ is lossy, but not as lossy as regular DD.  You should be able to get Atmos from your TV, but only the manufacturer can tell you with certainty.


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  • Author
  • Contributor I
  • May 17, 2020

Ratings.com says that my tv 📺 supports DD+ so I should be good to go but I will definitely be reaching out to Lg to confirm tomorrow.


controlav
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  • Lead Maestro
  • May 17, 2020

Ratings.com says that my tv 📺 supports DD+ so I should be good to go but I will definitely be reaching out to Lg to confirm tomorrow.


What is your actual source? ie what is providing the Atmos audio? That will also affect whether you will be able to hear it on the Sonos Arc.


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  • Author
  • Contributor I
  • May 17, 2020

I suppose my TV 📺 is being that it’s Dolby Atmos compatible.


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  • Author
  • Contributor I
  • May 17, 2020

I’m able to stream Atmos now with my Sony soundbar.