I am experiencing same audio problem in v6.4. but got it working by restarting watchout software alone and configure audio output every time i have the issue.
hi mike, i have never used network video but i want to give a try..
is this the right way to do it? - https://www.howtogeek.com/118075/how-to-stream-videos-and-music-over-the-network-using-vlc/