[mythtv@mediapc ~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: ICH [Intel ICH], device 0: Intel ICH [Intel ICH]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: ICH [Intel ICH], device 2: Intel ICH - IEC958 [Intel ICH - IEC958]
Subdevices: 1/1
Subdevice #0: subdevice #0
[mythtv@mediapc ~]$ aplay -L
default:CARD=ICH
Intel ICH, Intel ICH
Default Audio Device
front:CARD=ICH,DEV=0
Intel ICH, Intel ICH
Front speakers
surround40:CARD=ICH,DEV=0
Intel ICH, Intel ICH
4.0 Surround output to Front and Rear speakers
surround41:CARD=ICH,DEV=0
Intel ICH, Intel ICH
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=ICH,DEV=0
Intel ICH, Intel ICH
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=ICH,DEV=0
Intel ICH, Intel ICH
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
null
Discard all samples (playback) or generate zero samples (capture)