"Overheard" on IRC this might help pinpoint the no audio comes out of the TV even when "High Definition Audio Controller Digital Stereo (HDMI)" is selected under "Sound" > "Output" problem.
alex-mayorga@VPCCW1FFXL:~$ more /proc/asound/cards 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0xd8d00000 irq 48 1 [NVidia ]: HDA-Intel - HDA NVidia HDA NVidia at 0xd3080000 irq 16 alex-mayorga@VPCCW1FFXL:~$ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC262 Analog [ALC262 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0
"Overheard" on IRC this might help pinpoint the no audio comes out of the TV even when "High Definition Audio Controller Digital Stereo (HDMI)" is selected under "Sound" > "Output" problem.
alex-mayorga@ VPCCW1FFXL: ~$ more /proc/asound/cards
HDA Intel at 0xd8d00000 irq 48
HDA NVidia at 0xd3080000 irq 16 VPCCW1FFXL: ~$ aplay -l
0 [Intel ]: HDA-Intel - HDA Intel
1 [NVidia ]: HDA-Intel - HDA NVidia
alex-mayorga@
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC262 Analog [ALC262 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0