Sonos Arc audio keeps cutting out.

Hi guys! 
 

I recently bought the Sonos ARC. I connected the ARC on my Mesh network and trough HDMI 3 (eARC). My tv is a Sony KD65XH9005. 
 

But whatever I watch/listen I keep having sound drops like 10 seconds at least every 15 minutes.

Is anybody willing to help me?

thank already! :)

Same issue here with a new Samsung Frame. Pretty disappointed - no issues with my much cheaper Vizio bar. 

I tried to connect the bar with Ethernet but the problem stays. It cuts out for like 10 seconds and then plays on again. It happens like every 10/20 minutes. Need to timer it. 

I had the same problem with my Arc/One SL/Sub setup connected to a Samsung Frame. Music stream via AirPlay worked fine but the signal from the TV would occasionally cut in and out and was only temporarily fixed by unplugging the Arc.

Solution: go to expert sound settings on the TV and make sure HDMI-eARC Mode is set to “Off”. Mine was set to Auto when experiencing this issue and when I switched this to Off it started working immediately and at least hasn’t happened again yet. Atmos appears to still work on things that send the signal like my Apple TV 4K. 
 

maybe that will help others, give it a try!

COULD IT BE THE NETFLIX APP ON AN APPLE TV BOX?

Sub, Arc, One surrounds, Apple TV 4K, LG Nanocell

Based on my tests, I get a lot of audio issues - cutting out, complete audio loss for long periods and losing Arc audio to the surrounds - but only on Netflix played via the Apple TV box. 
 

Any other source that is not Netflix via Apple TV box - doesn’t even matter if it’s Dolby Atmos or not - plays perfectly. Disney+, Amazon Prime and Apple TV+ material played thru Apple TV 4K are fine. Even using the smart TV‘s Netflix app has no problem whatsoever.

 Check it out. I believe the Netflix app doesn’t play nice on an Apple TV. 

Don’t know why I can’t edit my own post but here’s an update: I deleted and reinstalled the Netflix app on my Apple TV and playing Lost in Space for 30 minutes now with zero problems. When I had issues, they occurred every 20 seconds or so. Everything working perfectly right now, Lost in Space coming thru in full Dolby Atmos glory. Hope this helps others. 

My new Arc is cutting out periodically. My LG tv switches to internal speakers and I have to put back on hdmi arc 2 but sometimes it doesn’t switch. Then while it’s on hdmi 2 arc sound it will cut out intermittently. I’ve submitted diagnostics. 

Figured out a setup to reproduce reliably. 
 

Roku ultra 4K 

auto pass through with lg hu85la 

sonos arc 

playing shadow and bone over Dolby atmos.

So every five minutes or so the audio goes silent. I back it up 15 seconds and it comes right back, every time. 
 

I’ve also seen the stuttering can be solved by rebooting the Sonos arc. I’ve also noticed both of these things on my Xbox one S.
 

I know Sonos is reluctant to issue a recall and having trouble finding fault but all my evidence points to the arc being the issue. I think it’s software, one of the registers isn’t getting charged correctly or their buffer is overloading. Something. Because when I force it to clear the stream by rebooting or backing it up 15 seconds everything go back to normal. 
 

diagnostic number 2006447374

Confirmed I can reproduce this in any netflix show on the roku using any surround sound. Not just Atmos. 

I have not been able to reproduce this in other apps such as the Apple TV. I think this must either be a netflix app stream encoding or surround sound decoding problem. 

fyi. lg requires HDMI-CEC for Sound out over HDMI ARC. Could it be that Sonos Arc needs to be updated to handle signals from LG HDMI-CEC or ignore it?