[BeagleBone] Use USB sound card

Works perfectly!

Thanks a lot! :slight_smile:

Using ubuntu 12.04 and a similar usb sound card[1], I get about 50% or more cpu usage in the pulseaudio process when playing music.

Is this typical?

[1] - http://www.amazon.com/gp/product/B0036VO4XO/ref=oh_details_o00_s00_i00