null
    Discard all samples (playback) or generate zero samples (capture)
default:CARD=SB
    HDA ATI SB, ALC889A Analog
    Default Audio Device
sysdefault:CARD=SB
    HDA ATI SB, ALC889A Analog
    Default Audio Device
front:CARD=SB,DEV=0
    HDA ATI SB, ALC889A Analog
    Front speakers
surround21:CARD=SB,DEV=0
    HDA ATI SB, ALC889A Analog
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=SB,DEV=0
    HDA ATI SB, ALC889A Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
    HDA ATI SB, ALC889A Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
    HDA ATI SB, ALC889A Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
    HDA ATI SB, ALC889A Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
    HDA ATI SB, ALC889A Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=SB,DEV=0
    HDA ATI SB, ALC889A Digital
    IEC958 (S/PDIF) Digital Audio Output
default:CARD=pcsp
    pcsp, pcsp
    Default Audio Device
sysdefault:CARD=pcsp
    pcsp, pcsp
    Default Audio Device
front:CARD=pcsp,DEV=0
    pcsp, pcsp
    Front speakers
hdmi:CARD=NVidia,DEV=0
    HDA NVidia, HDMI 0
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=1
    HDA NVidia, HDMI 1
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=2
    HDA NVidia, HDMI 2
    HDMI Audio Output
hdmi:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 3
    HDMI Audio Output