I'm looking for a way to select sound card in Lubuntu 12.04 without installing any additional packages like xfce4-mixer (with all of its dependencies). Is there a way to interactively select a sound card with alsa?
There is no way to switch the audio output on the fly from one sound card to another with ALSA. To define my NuForce sound card as the one to use I created the file ~/.asoundrc with the content
where the name N2 comes from the content of the file /proc/asound/cards:
If I want to change to B10 say, I need to edit ~/.asoundrc and restart the sound application.