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:CARD=SC8280XPLENOVOX
    SC8280XP-LENOVO-X13S, 
    Default Audio Device
sysdefault:CARD=SC8280XPLENOVOX
    SC8280XP-LENOVO-X13S, 
    Default Audio Device
usbstream:CARD=SC8280XPLENOVOX
    SC8280XP-LENOVO-X13S
    USB Stream Output