This is also happening to me. Fresh install of Xubuntu 14.04 x64.
$ lspci -v | grep -i audio 00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04) 01:00.1 Audio device: NVIDIA Corporation GK107 HDMI Audio Controller (rev a1)
This is also happening to me. Fresh install of Xubuntu 14.04 x64.
$ lspci -v | grep -i audio
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
01:00.1 Audio device: NVIDIA Corporation GK107 HDMI Audio Controller (rev a1)