http://wiki.ubuntuusers.de/Soundkarten_installieren
00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev b1)
XXX-wnf@eeebox:~$ modprobe -l | grep snd | grep nv
kernel/sound/pci/hda/snd-hda-codec-nvhdmi.ko wnf@eeebox:~$ aplay -L
pulse
Playback/recording through the PulseAudio sound server
front:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
Front speakers
surround40:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=NVidia,DEV=0
HDA NVidia, ALC662 rev1 Digital
IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=NVidia,DEV=0
HDA NVidia, NVIDIA HDMI
HDMI Audio Output http://wiki.ubuntuusers.de/Soundkarten_installieren/HDA
wnf@eeebox:~$ cat /proc/asound/cards
0 [NVidia ]: HDA-Intel - HDA NVidia
HDA NVidia at 0xf9f78000 irq 21
wnf@eeebox:~$ head -n 1 /proc/asound/card0/codec*
==> /proc/asound/card0/codec#0 <==
Codec: Realtek ALC662 rev1
==> /proc/asound/card0/codec#3 <==
Codec: Nvidia MCP7A HDMI