This is the output of "cat /proc/asound/cards":
0 [NVidia ]: HDA-Intel - HDA NVidia HDA NVidia at 0xf9ff8000 irq 22 1 [headset ]: USB-Audio - Sennheiser USB headset Sennheiser Communications A/S Sennheiser USB headset at usb-0000:00:0b.0-4, ful
This is the output of "cat /proc/asound/ cards":
0 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xf9ff8000 irq 22
Sennheiser Communications A/S Sennheiser USB headset at usb-0000:00:0b.0-4, ful
1 [headset ]: USB-Audio - Sennheiser USB headset