Audio and video cutting out

[Tomm1805]

Spent a couple of grand on a new Lg g4. Since connecting it to my 360 box I am having continous problems with the audio and video cutting about separately at random. 
so annoying as I’m paying virgin £180 per month and can’t enjoy my tv. 
Tried  various audio settings. No difference. Tried different inputs. 
Tried a cec adaptor. 
Any suggestions. 

[roy247]

Are you also using a soundbar or any audio/video equipment or just using the TV speakers, I could be guessing wrong but if you have paid that much for a TV you will probably be using something for the sound, if you say what you have it might help with the answers.

[Tomm1805]

Spent a couple of grand on an Lgg4 tv. When connected to my 360 box the audio and video cut out momentarily. Not at the same time. 
I am using a Sonos beam and two Sonos ones for my audio. Tried various tv and 360 box settings. 
Didn’t have an issue with my old tv. So annoying I spent all that money on a tv which I can’t use properly. 
Any suggestions?

[Tomm1805]

I have a Sonos beam 2nd gen and two Sonos ones

[newapollo]

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@Tomm1805 wrote:

Spent a couple of grand on a new Lg g4. Since connecting it to my 360 box I am having continous problems with the audio and video cutting about separately at random. 
so annoying as I’m paying virgin £180 per month and can’t enjoy my tv. 
Tried  various audio settings. No difference. Tried different inputs. 
Tried a cec adaptor. 
Any suggestions. 

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There's an older forum post < here >  which suggests a Lindy CEC less adapter that was bought from Amazon works with the Sonos Beam

[Tomm1805]

tried the cec adaptor. No change

[roy247]

Can't help with the Sonos settings but the following works for my LG C1 and LG soundbar;

Settings > Sound > Select Use Wired Speaker

Select HDMI Input Audio Format > Bitstream

Select Mode AI Sound Pro
Advanced Settings

DTV Audio Setting > Auto
TV Sound Mode Share > Off
Sound Bar Mode Control > On
LG Sound Sync > Off
Digital Sound output > Pass Through
eARC Support > On

and the 360 set to Follow Content for Dolby Atmos and of course the HDMI cable must be Version 2.1 or newer for eARC.