null
    Discard all samples (playback) or generate zero samples (capture)
lavrate
    Rate Converter Plugin Using Libav/FFmpeg Library
samplerate
    Rate Converter Plugin Using Samplerate Library
speexrate
    Rate Converter Plugin Using Speex Resampler
jack
    JACK Audio Connection Kit
oss
    Open Sound System
pulse
    PulseAudio Sound Server
speex
    Plugin using Speex DSP (resample, agc, denoise, echo, dereverb)
upmix
    Plugin for channel upmix (4,6,8)
vdownmix
    Plugin for channel downmix (stereo) with a simple spacialization
default
    Default ALSA Output (currently PulseAudio Sound Server)
hdmi:CARD=HDMI,DEV=0
    HDA ATI HDMI, X2483_2481
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=1
    HDA ATI HDMI, HDMI 1
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=2
    HDA ATI HDMI, HDMI 2
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=3
    HDA ATI HDMI, HDMI 3
    HDMI Audio Output
usbstream:CARD=HDMI
    HDA ATI HDMI
    USB Stream Output
hdmi:CARD=Generic,DEV=0
    HD-Audio Generic, HDMI 0
    HDMI Audio Output
hdmi:CARD=Generic,DEV=1
    HD-Audio Generic, HDMI 1
    HDMI Audio Output
hdmi:CARD=Generic,DEV=2
    HD-Audio Generic, HDMI 2
    HDMI Audio Output
hdmi:CARD=Generic,DEV=3
    HD-Audio Generic, HDMI 3
    HDMI Audio Output
usbstream:CARD=Generic
    HD-Audio Generic
    USB Stream Output
sysdefault:CARD=Generic_1
    HD-Audio Generic, ALC897 Analog
    Default Audio Device
front:CARD=Generic_1,DEV=0
    HD-Audio Generic, ALC897 Analog
    Front output / input
surround21:CARD=Generic_1,DEV=0
    HD-Audio Generic, ALC897 Analog
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=Generic_1,DEV=0
    HD-Audio Generic, ALC897 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Generic_1,DEV=0
    HD-Audio Generic, ALC897 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Generic_1,DEV=0
    HD-Audio Generic, ALC897 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Generic_1,DEV=0
    HD-Audio Generic, ALC897 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Generic_1,DEV=0
    HD-Audio Generic, ALC897 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
usbstream:CARD=Generic_1
    HD-Audio Generic
    USB Stream Output
sysdefault:CARD=SoundCard
    Xonar SoundCard, USB Audio
    Default Audio Device
front:CARD=SoundCard,DEV=0
    Xonar SoundCard, USB Audio
    Front output / input
surround21:CARD=SoundCard,DEV=0
    Xonar SoundCard, USB Audio
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=SoundCard,DEV=0
    Xonar SoundCard, USB Audio
    4.0 Surround output to Front and Rear speakers
surround41:CARD=SoundCard,DEV=0
    Xonar SoundCard, USB Audio
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SoundCard,DEV=0
    Xonar SoundCard, USB Audio
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SoundCard,DEV=0
    Xonar SoundCard, USB Audio
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SoundCard,DEV=0
    Xonar SoundCard, USB Audio
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=SoundCard,DEV=0
    Xonar SoundCard, USB Audio
    IEC958 (S/PDIF) Digital Audio Output
iec958:CARD=SoundCard,DEV=1
    Xonar SoundCard, USB Audio #1
    IEC958 (S/PDIF) Digital Audio Output
usbstream:CARD=SoundCard
    Xonar SoundCard
    USB Stream Output