null Discard all samples (playback) or generate zero samples (capture) default Playback/recording through the PulseAudio sound server 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 hw:CARD=sofessx8336,DEV=0 sof-essx8336, Direct hardware device without any conversions hw:CARD=sofessx8336,DEV=5 sof-essx8336, Direct hardware device without any conversions hw:CARD=sofessx8336,DEV=6 sof-essx8336, Direct hardware device without any conversions hw:CARD=sofessx8336,DEV=7 sof-essx8336, Direct hardware device without any conversions plughw:CARD=sofessx8336,DEV=0 sof-essx8336, Hardware device with all software conversions plughw:CARD=sofessx8336,DEV=5 sof-essx8336, Hardware device with all software conversions plughw:CARD=sofessx8336,DEV=6 sof-essx8336, Hardware device with all software conversions plughw:CARD=sofessx8336,DEV=7 sof-essx8336, Hardware device with all software conversions sysdefault:CARD=sofessx8336 sof-essx8336, Default Audio Device dmix:CARD=sofessx8336,DEV=0 sof-essx8336, Direct sample mixing device dmix:CARD=sofessx8336,DEV=5 sof-essx8336, Direct sample mixing device dmix:CARD=sofessx8336,DEV=6 sof-essx8336, Direct sample mixing device dmix:CARD=sofessx8336,DEV=7 sof-essx8336, Direct sample mixing device usbstream:CARD=sofessx8336 sof-essx8336 USB Stream Output