cpu@pewter:~$ arecord -L
default
pulse
Playback/recording through the PulseAudio sound server
front:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
Front speakers
surround40:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
dmix:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
Direct sample mixing device
dsnoop:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
Direct sample snooping device
hw:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
Direct hardware device without any conversions
plughw:CARD=SB,DEV=0
HDA ATI SB, CONEXANT Analog
Hardware device with all software conversions
front:CARD=Set,DEV=0
USB Headphone Set, USB Audio
Front speakers
surround40:CARD=Set,DEV=0
USB Headphone Set, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=Set,DEV=0
USB Headphone Set, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Set,DEV=0
USB Headphone Set, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Set,DEV=0
USB Headphone Set, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Set,DEV=0
USB Headphone Set, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Set,DEV=0
USB Headphone Set, USB Audio
IEC958 (S/PDIF) Digital Audio Output
dmix:CARD=Set,DEV=0
USB Headphone Set, USB Audio
Direct sample mixing device
dsnoop:CARD=Set,DEV=0
USB Headphone Set, USB Audio
Direct sample snooping device
hw:CARD=Set,DEV=0
USB Headphone Set, USB Audio
Direct hardware device without any conversions
plughw:CARD=Set,DEV=0
USB Headphone Set, USB Audio
Hardware device with all software conversions
cpu@pewter:~$ cat /proc/asound/cards
0 [SB ]: HDA-Intel - HDA ATI SB
HDA ATI SB at 0xf0000000 irq 16
1 [Set ]: USB-Audio - USB Headphone Set
USB Headphone Set at usb-0000:00:13.0-1, full speed
2 [HDMI ]: HDA-Intel - HDA ATI HDMI
HDA ATI HDMI at 0xcfdec000 irq 19