I’ve done this to make music remotely on the CLI from my phone SSHd into a VPS, forwarding pulseaudio/JACK and listening to the stream in a browser in the background. fun times
Nice! I assume if it was over the WAN you probably had to unicast it?
I've experimented a tiny bit with the builtin pulseaudio RTP sink/source, but I've not used it extensively. I'm not sure if cutting out ffmpeg would be beneficial.
You can also play the stream with ffmpeg doing something like