Random 1 sec audio drop when playing Dolby Atmos from Apple TV 4K

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72 replies

M

L15.11 didn’t solve the problem for me. 
 

According to Reddit posts the problem is Dolby MAT

 

The Apple TV sends out Atmos via Dolby MAT encapsulated in LPCM some TVs have a problem passing this through. Until recently the Apple TV and some Blu-ray players were the only devices using this method and with the Blu-ray players you can change from PCM to bitstream in the settings. Now more devices are using Dolby MAT and Rtings tests for LPCM and Dolby MAT passthrough in their latest reviews, not all TV's pass the test.

 

Since Sonos and Bose soundbars only have the one eARC HDMI their forums are full of posts about problems with LPCM. Most from Apple TV and gaming console owners.

 

R
Badge

Might be unrelated, but I also see audio stuttering ONLY on Atmos 4K discs playing through my LG C2 and Sonos Ultimate Immersive setup. 
 

There must be some glitch with playing Atmos tracks.

I haven’t verified whether 15.11 solves it yet.

K
Userlevel 2

I'm having the exact same issue. Samsung TV, Apple TV and Sonos Beam. Only happens when Atmos is enabled.

C
Userlevel 3
Badge +2

15.11 now available will test this later, hopefully it has the fix finally, but I wont hold my breath

 

Well that’s a no then

Diagnostics submitted 

231070897

 

 

C
Userlevel 3
Badge +2

Lol telling people they have to wait, after the popping fiasco you would think they would want to get this sorted as well. Classic case of we have your money so why should we rush to fix things. I have been waiting for over 2 years for this to be fixed.

P
Badge 
Same problem without solution, I even contacted the CEO but he told me that I just have to wait (I've been there for 1 year).
C
Userlevel 3
Badge +2

No solution just the same ongoing issue which I have had all the time of owning the Beam gen 2 purchased shortly after the release. So I have been waiting a long time for a fix. 

S

I am facing the same issue, my apple 4k connected to Samsung 2021 model and the arc is connected to earc of tv. Please post if someone finds a solution. 

E

It’s happening on my LG tv too

What TV model do you have?

Airgetlam

What did Sonos Support say, when you called them?

Bruce
R
Badge

It’s happening on my LG tv too

E

This issue seems to only be affecting Samsung TV, specifically when playing certain content from ATV.

Airgetlam

Since Sonos has stated that the last release fixed the known issue, I’d suggest you’re experiencing something else, and should submit a system diagnostic within 10 minutes of experiencing this problem, and call Sonos Support to discuss it.

There may be information included in the diagnostic that will help Sonos pinpoint the issue and help you find a solution.

When you speak directly to the phone folks, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.

Bruce
A

I have the same issue with beam gen 2 and any source of atmos signal. Short audio drop outs happen only when playing atmos content from apple tv 4k, ps5 or pc.

C
Userlevel 3
Badge +2

Finger crossed that this will be fixed. As the popping issues are sorted hopefully this can be next.

C
Userlevel 3
Badge +2

15.10 does not fix the issue, sadly I am still suffering the drop outs

M

Anyone tested if 15.10 did address this problem (if it’s related to the popping sound some users have experienced)?

M

Again, just adding my voice to this thread. I’m also using Apple TV and Sonos and experiencing the audio drop outs. Have had to switch to 5.1 for it to work, but super frustrating given I invested in the Sonos kit specifically for Atmos, 

A

Just chiming in here after a couple of hours of troubleshooting Atmos content and finding this forum thread. It’s a shame that I have to recommend all my friends to NOT go the Sonos route if they are into Atmos. 

P
Badge

I have the same problem when playing Atmos; technical support acknowledged this issue but doesn’t provide solutions. Can’t a class-action lawsuit be filed? They are selling a defective product without disclosing it.

B

Same issue with Atmos movies even when audio on Apple TV has been switched to 5.1. This is super frustrating, any updates about this recently!?


Quick addition - maybe this is just an Apple TV movie issue? I never encounter this watching movies through Amazon Prime, Disney +, or Netflix apps on Apple TV. But I don’t know if all those apps use Dolby Atmos either? Either way, it makes watching movies with Dolby Atmos through Apple TV impossible with this setup. Again, I even switched audio output to 5.1 and it still happens. And for me, it’s easily a second of lost sound every few seconds 🤦‍♂️

B

Same issue with Atmos movies even when audio on Apple TV has been switched to 5.1. This is super frustrating, any updates about this recently!?

R
Badge

I’m having the same issue, and not just with Atmos movies, but with Atmos music from the Music app on AppleTV. Very frustrating. 

R
Userlevel 4
Badge +4

Same issue here. I get a one second sound drop when playing Dolby Atmos TV content from Apple TV to Samsung with Sonos Arc.

Apple TV (latest model, 64GB, updated to TVOS17) by HDMI to Samsung Q90T (latest software).  Sonos Arc to Samsung’s eARC port.

I hope that if this thread gets long enough, someone with influence will notice…
 

H

I have the same issue. Have tried everything. I too have resorted to turning Atmos off and using 5.1. It’s crazy having this issue considering how much we paid for the Sonos

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