Facing the same problem. I'm using an USB sound card from Siberia.
mukit@lifebook:~$ cat /proc/asound/cards 0 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xf1600000 irq 45 1 [Device ]: USB-Audio - USB PnP Sound Device C-Media Electronics Inc. USB PnP Sound Device at usb-0000:00:1d.0-1.1, full spe mukit@lifebook:~$ uname -a Linux lifebook 3.13.0-36-generic #63-Ubuntu SMP Wed Sep 3 21:30:07 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Facing the same problem. I'm using an USB sound card from Siberia.
mukit@lifebook:~$ cat /proc/asound/cards
HDA Intel PCH at 0xf1600000 irq 45
C-Media Electronics Inc. USB PnP Sound Device at usb-0000: 00:1d.0- 1.1, full spe
0 [PCH ]: HDA-Intel - HDA Intel PCH
1 [Device ]: USB-Audio - USB PnP Sound Device
mukit@lifebook:~$ uname -a
Linux lifebook 3.13.0-36-generic #63-Ubuntu SMP Wed Sep 3 21:30:07 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux