Thread: Audio Help, long time Ubuntu user confused

good day ubuntu community.

i've used number of iterations of ubuntu in past, , have installed many others (to move them away windows more novice user proof).

1 has me floored. in process of building full blown media / emulator arcade rig (to use xbmc).

1) have no audio on hdmi. onboard gpu disabled in bios, using nvidia card. (please read below aplay output). how heck switch device bios disabled hdmi device nvidia card?

2) adding many new software items not working (saying ppa site not found)... i.e. xbmc (i forced install myself), mediabuntu, etc. it's of oneiric ocelot repositories not exist. have never had problem in past

kemper@kemper-htpc:~$ aplay -l
**** list of playback hardware devices ****
card 0: sb [hda ati sb], device 0: alc662 rev1 analog [alc662 rev1 analog]
subdevices: 1/1
subdevice #0: subdevice #0
card 0: sb [hda ati sb], device 1: alc662 rev1 digital [alc662 rev1 digital]
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

kemper@kemper-htpc:~$ cat /proc/asound/modules
0 snd_hda_intel
1 snd_hda_intel

system specs:
os: recent 32 bit build of 11/07/2011
biostar ta785ge 128m (onboard gpu disabled in bios)
nvidia geforce gt430
ocz 30 gb vertex ssd
samsung 2x1 gb pc2-6400 800mbps ddr2 low profile 40nm class udimm
amd athlon ii x2 250 processor

media storage on network 'server' (groan: windows 7-64 machine).

thank in advance!

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