Setting up analog surround sound on Ubuntu Linux with a 3 3.5mm capable sound card:
A while back, I received the Logitech Z506 Speaker system, and with Windows, setting it up was a pretty plug and play experience. On Linux, however, its' a wholly different ballgame. For one, there's no Realtek HD Audio control panel here, so what gives? How do you around this problem?
Introducing the tools of the trade:
You'll want to use a tool such as hdajackretask , pavucontrol and pavumeter for the pin re-assignments and audio output monitoring afterwards respectively. The tools are installed by running:
sudo apt-get install alsa-tools-gui pavumeter pavucontrol