Mediaspeler02:~ # aplay -L null Discard all samples (playback) or generate zero samples (capture) hdmi:CARD=HDMI,DEV=0 HDA Intel HDMI, HDMI 0 HDMI Audio Output hdmi:CARD=HDMI,DEV=1 HDA Intel HDMI, HDMI 1 HDMI Audio Output hdmi:CARD=HDMI,DEV=2 HDA Intel HDMI, HDMI 2 HDMI Audio Output hdmi:CARD=HDMI,DEV=3 HDA Intel HDMI, HDMI 3 HDMI Audio Output hdmi:CARD=HDMI,DEV=4 HDA Intel HDMI, HDMI 4 HDMI Audio Output sysdefault:CARD=PCH HDA Intel PCH, ALC892 Analog Default Audio Device front:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog Front speakers surround21:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 2.1 Surround output to Front and Subwoofer speakers surround40:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 4.0 Surround output to Front and Rear speakers surround41:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Analog 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers iec958:CARD=PCH,DEV=0 HDA Intel PCH, ALC892 Digital IEC958 (S/PDIF) Digital Audio Output