http://ubuntuforums.org – I've done an exhaustive search for a solution. Any links or information regarding how to get HDMI sound to work will be greatly appreciated. Code: aplay -l **** List of PLAYBACK Hardware Devices **** Failed to create secure directory: Permission denied card 0: NVidia [HDA NVidia], device 0: VT1708B Analog [VT1708B Analog] Subdevices: 2/2 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 card 0: NVidia [HDA NVidia], device 1: VT1708B Digital [VT1708B Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: NVidia [HDA NVidia], device (Hardware)