Audio suddenly dropping out intermittently

Hi,

I recently added a switch 2 to my set up. When I did this I changed the order of my HDMI ports. Obviously, I kept my beam 2 in the earc port of my LG TV. 
 

Since I made this change, the audio will cutout for less than a second every few minutes. It happens on multiple HDMI ports. I originally thought this was a switch 2 problem, but today I noticed it while watching my apple tv.

I have a beam 2, mini sub, and to One SL speakers as surrounds. Any ideas on what’s going on here?

I‘ve tried turning off and on again. 

Thanks for any help!