On 05/07/11 1:35 PM, Ned Slider wrote: >> 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset >> > High Definition Audio (rev 06) >> > 01:00.1 Audio device: nVidia Corporation High Definition Audio >> > Controller (rev a1) > Hmm, any idea why you have 2 audio controllers? wild guess says, one is the mainboard chipset audio controller, and the other is HDMI audio on the video card.