I tested using the ~/.asoundrc pasted in my previous comment. I can also use a second (hw:1) usb audio device. PulseAudio, in its default configuration returns an error, as proper/expected.
I tested using the ~/.asoundrc pasted in my previous comment. I can also use a second (hw:1) usb audio device. PulseAudio, in its default configuration returns an error, as proper/expected.