Current setup:
Sonos Arc
Sonos Era 300 x2 Surround
Sonos Sub x2
Arc is Ethernet, everything else is wireless
Nvidia Shield → LG C1 Port 3 (dolby processing is off, match content is on)
Sonos Arc → LG C1 Port 2 eArc enabled and passthrough bitstream
ATT Fiber Router in Passthrough mode to Asus RT-AX88U and a PiHole.
The system has been flawless for about 2 years now and even after the purchase of the Era 300s (used to have SL Ones) it was working fine. About 2 months ago the issue has started popping up.
The issue: Randomly throughout the day (if watching for 2-3 hours, maybe occurs once) there is a full sound cutout on all my sonos devices for about 5-10 seconds. When this happens I tend to look at the status light. I see it be that standard dim white for those 5-10 seconds then it’ll turn a bright green for about 1 second then the sound comes back on all devices. This has become frustrating since sometimes its right in the middle of an important scene in a movie. Does not matter if I am watching on youtube, plex, disneyplus this issue has happened on them all. I have contacted support over the phone about 4 or 5 times now and they look at the logs on their end and see nothing special. All 4 or 5 times they tell me to let it happen again and capture diagnostics for them. Which I do but I am also getting a bit frustrated being told to just “wait” every time. The latest call the technician asked if I had any other devices, which I do have a ps5 on port 1. However, I have not really been using it and is in resting mode for most of the days of the week. The tech mentioned the ps5 could be overloading the ports with data (this does not make sense to me) and asked for it to be unplugged. I did do that, but issue persists. I have personally decided to swap out the hdmi cables on the devices in case that has anything to do with it but seems it has made no difference. I was hoping to see if someone has encountered this issue and if you have any advice on what to try next. It does consistently happen on a daily basis.