I gone through the logs a couple of times and couldn’t find any TV streams in that timeframe. The tuner service also wasn’t running at that time which is odd since no stream would have been possible.
Live TV streams are “on the fly” so Plex can’t analyze them for better decisions and ends up using whatever profile the device shares with it. They did make a change with regard to android devices and 5.1 audio but it was to use Opus instead of AC3.
One error that you are having that may be causing issues with audio and other processes is not enough inotify resources. Directions for remediation are here: Linux Tips - #9 by ChuckPa
During some of the other time you were live streaming a weak signal was recorded but I don’t think that is what is causing the H4 which is usually when you first start the stream and the audio codec doesn’t work.
All this to say I don’t think we have captured the failure yet.
