null Discard all samples (playback) or generate zero samples (capture) hdmi:CARD=HDMI,DEV=0 HDA ATI HDMI, HDMI 0 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 dmix:CARD=HDMI,DEV=3 HDA ATI HDMI, HDMI 0 Direct sample mixing device dmix:CARD=HDMI,DEV=7 HDA ATI HDMI, HDMI 1 Direct sample mixing device dmix:CARD=HDMI,DEV=8 HDA ATI HDMI, HDMI 2 Direct sample mixing device dsnoop:CARD=HDMI,DEV=3 HDA ATI HDMI, HDMI 0 Direct sample snooping device dsnoop:CARD=HDMI,DEV=7 HDA ATI HDMI, HDMI 1 Direct sample snooping device dsnoop:CARD=HDMI,DEV=8 HDA ATI HDMI, HDMI 2 Direct sample snooping device hw:CARD=HDMI,DEV=3 HDA ATI HDMI, HDMI 0 Direct hardware device without any conversions hw:CARD=HDMI,DEV=7 HDA ATI HDMI, HDMI 1 Direct hardware device without any conversions hw:CARD=HDMI,DEV=8 HDA ATI HDMI, HDMI 2 Direct hardware device without any conversions plughw:CARD=HDMI,DEV=3 HDA ATI HDMI, HDMI 0 Hardware device with all software conversions plughw:CARD=HDMI,DEV=7 HDA ATI HDMI, HDMI 1 Hardware device with all software conversions plughw:CARD=HDMI,DEV=8 HDA ATI HDMI, HDMI 2 Hardware device with all software conversions