That was going to be my next suggestion.
I did previously change the hdmi cable, it's actually using the same hdmi cable at the moment.
I have the JBL 9.1 all my devices connect to the TV bar a media pc which connects to the hdmi in on the sound bar. I have the Nvidia shield, Xbox one, viark all connected.
It uses earc to the sound bar. Which has always worked fine before the viark.
When I got the viark, noticed a few times the TV would disconnect from earc and just use the TV speakers. I also couldn't select the soundbar on TV audio settings. It was greyed out. I used to have to restart TV and spundbar to get audio back.
I had suspected the viark was at fault and had thought the hdmi cec update had caused it. When I did get the audio issue, I unplugged the hdmi cable out from the viark. When this happened the TV was able to route sound back to soundbar without restarting.
To be honest not sure that makes much sense but in thinking just some sort of compatibility issue.
Today the box has been on all day apart from when it went into standby. It was able to come out.
Just glad that it's working. Just really for the football more than anything.
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