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khaz22
Avid Contributor III
December 29, 2020
Answered

Confused about audio from Arc vs Beam

Our main room has an Arc/One’s/Sub where we watch on an LG Nano tv through Apple TV 4K.  While watching Hulu (Killing Eve), the app shows Stereo PCM 2.0.  I just picked up a new TV for the bedroom, LG UN73,  where we have a Beam/One’s set up.  The new TV in the bedroom plays the same show in Dolby Digital 5.1.  Both TV’s are set to Auto, the main TV is set to Passthrough from ATV, and I have switched the Apple TV back and forth from allowing Atmos and forcing DD 5.1.  

Right now, I can only see the difference being the Apple TV app, vs the LG app in the bedroom.  I am hoping someone can help me accomplish DD 5.1 out of the Arc.

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GuitarSuperstarAnswer
Lead Maestro
December 29, 2020

Looks like Hulu still doesn’t support 5.1 audio on the Apple TV: https://help.hulu.com/s/article/sound-quality?language=en_US

"Receive with simplicity everything that happens to you." - Rashi
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11 replies

GuitarSuperstar
Lead Maestro
December 29, 2020

Does your LG Nano have HDMI eARC?

"Receive with simplicity everything that happens to you." - Rashi
khaz22Author
Avid Contributor III
December 29, 2020

Yes, the Nano has eARC, and the UN73 only has ARC I believe.

GuitarSuperstar
Lead Maestro
December 29, 2020

Have you turned eARC on in the TV settings?

"Receive with simplicity everything that happens to you." - Rashi
khaz22Author
Avid Contributor III
December 29, 2020

Yes.  It has been on since the beginning, with settings set to Auto.  Passthrough is sending the wrong audio right now with LCPM from what I have read.

khaz22Author
Avid Contributor III
December 29, 2020

So my initial post was incorrect, Nano is not set to Passthrough

GuitarSuperstar
Lead Maestro
December 29, 2020

So with eARC on, Nano set to passthrough, and the Apple TV set to Dolby Digital or Dolby Atmos, you still only get stereo 2.0 from the Hulu app?

"Receive with simplicity everything that happens to you." - Rashi
khaz22Author
Avid Contributor III
December 29, 2020

With eARC on, whether the NANO is set to Passthrough, or Auto, app shows Stereo 2.0 PCM.  Same with changing the ATV from Dolby Atmos enabled, or forcing DD 5.1

GuitarSuperstar
Lead Maestro
December 29, 2020

Do you get Dolby Digital 5.1 in other apps like Netflix or Disney+ on the Nano?

"Receive with simplicity everything that happens to you." - Rashi
khaz22Author
Avid Contributor III
December 29, 2020

Yes, we get DD 5.1 and Atmos through Netflix, Disney and Prime.  It is only Hulu we are getting Stereo, which I took as normal, until watching on the new TV last night and was surprised to experience DD 5.1 with the native app.

GuitarSuperstarAnswer
Lead Maestro
December 29, 2020

Looks like Hulu still doesn’t support 5.1 audio on the Apple TV: https://help.hulu.com/s/article/sound-quality?language=en_US

"Receive with simplicity everything that happens to you." - Rashi
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