jorgens@winnowill ~ $ dpkg -l libasound2
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  libasound2     1.0.22-0ubuntu shared library for ALSA applications
jorgens@winnowill ~ $ aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
default:CARD=NVidia
    HDA NVidia, ALC888 Analog
    Default Audio Device
front:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    Front speakers
surround40:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Digital
    IEC958 (S/PDIF) Digital Audio Output
default:CARD=default
    C-Media USB Headphone Set  , USB Audio
    Default Audio Device
front:CARD=default,DEV=0
    C-Media USB Headphone Set  , USB Audio
    Front speakers
surround40:CARD=default,DEV=0
    C-Media USB Headphone Set  , USB Audio
    4.0 Surround output to Front and Rear speakers
surround41:CARD=default,DEV=0
    C-Media USB Headphone Set  , USB Audio
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=default,DEV=0
    C-Media USB Headphone Set  , USB Audio
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=default,DEV=0
    C-Media USB Headphone Set  , USB Audio
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=default,DEV=0
    C-Media USB Headphone Set  , USB Audio
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=default,DEV=0
    C-Media USB Headphone Set  , USB Audio
    IEC958 (S/PDIF) Digital Audio Output
jorgens@winnowill ~ $ dpkg -l libasound2           
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  libasound2     1.0.23-1ubuntu shared library for ALSA applications
jorgens@winnowill ~ $ aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
default:CARD=NVidia
    HDA NVidia, ALC888 Analog
    Default Audio Device
front:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    Front speakers
surround40:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=NVidia,DEV=0
    HDA NVidia, ALC888 Digital
    IEC958 (S/PDIF) Digital Audio Output
jorgens@winnowill ~ $