Hi, I have the subject board with on board audio.
use alsa in the kernel.
using the spdif output.
using mythtv
If I tell mythtv to passthrough dts and ac3 then I get a nasty screech sound.
If I I don't passthrough all sound is "normal" but I don't get surround.
I've followed all the howto's I can find and am at a loss for how to proceed.
System Info:
Gentoo, kernel 2.6.20-r5, alsa in kernel.
One dmesg:
hda_codec: Unknown model for ALC883, trying auto-probe from BIOS...
aplay -L
default:CARD=NVidia
HDA NVidia, ALC883 Analog
Default Audio Device
front:CARD=NVidia,DEV=0
HDA NVidia, ALC883 Analog
Front speakers
surround40:CARD=NVidia,DEV=0
HDA NVidia, ALC883 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
HDA NVidia, ALC883 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
HDA NVidia, ALC883 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
HDA NVidia, ALC883 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
HDA NVidia, ALC883 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=NVidia,DEV=0
HDA NVidia, ALC883 Digital
IEC958 (S/PDIF) Digital Audio Output
null
Discard all samples (playback) or generate zero samples (capture)
modules.d # more alsa
# Alsa kernel modules' configuration file.
# ALSA portion
alias char-major-116 snd
# OSS/Free portion
alias char-major-14 soundcore
# OSS/Free portion - card #1
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
alias /dev/mixer snd-mixer-oss
alias /dev/dsp snd-pcm-oss
alias /dev/midi snd-seq-oss
# Set this to the correct number of cards.
options snd cards_limit=1
modules.d# more snd-hda-intel
options snd-hda-intel enable=1
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