Desktop/other hdmi sound (mythtv okay)

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http://ubuntuforums.org – Hi all. I have been searching for weeks and have not found a solution. No hdmi sound at all on desktop,youtube, or xbmc. I have sound in mythtv no problem. Configured as ALSA:hdmi:CARD=NVidia,Dev=1 kernel = 3.2.0-27-generic Processor = Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz video = gt430 mythbuntu = .25 latest fixes alsa = 1.0.24 nvidia driver = 295.40 **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC892 Analog [ALC892 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: PCH [HDA Intel PCH], device 1: ALC892 Digital [ALC892 Digital] Subde (Hardware)