[mythtv-users] optical SPDIF output on nforce4 mobo: Success (of a sort)
greg at gregandeva.net
Tue May 2 12:57:58 UTC 2006
On Mon, 2006-05-01 at 22:41 -0400, Adam Hirsch wrote:
> Greg Woods (greg at gregandeva.net) wrote:
> > So it's back to square one and trying a different approach.
> Well, for what it's worth, I've got my optical port working, more or less.
> I run alsamixer, set
> Item: IEC958
> to [PCM]
> Item: IEC958 Playback AC97-SPSA
> to 0
I can report partial success with my ASUS P4P800-E mobo w/Realtek ALC850
chip. My mixer doesn't have this last item, but it does have a mute for
the IEC958 device which I had to unmute. I also had to adjust the
asoundrc file because "aplay -l" showed that my digital device is "4"
rather than "2" (so I change "device 2" to "device 4"). If I now go into
Utilities/Setup -> Setup -> General and hit Next twice to bring up the
sound page, set the sound device to "ALSA:digital", and the mixer device
to either "mixed-analog" or "mixed-digital" (results are the same either
way), I now get sound out my optical output. Unfortunately, the sound is
in the center speaker only, so I've still got some work to do here (any
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