As per the image attached above, I discovered that multistreaming on my
motherboard is possible under Windows 7. The options only became
available when I had the headphones physically connected. However, I
have yet to figure out any way to achieve the same thing under my Ubuntu
10.04 system. I've been messing around with it and searching for hours
without success.
I did notice in alsamixer a Headphone option. If I connect headphones to
the front of my case and leave that box ticked while playing audio in
mplayer, I get the same audio stream simultaneously sent to both my
front speakers and my headphones.
If I leave headphones enabled but mute the front speaker channel, both
stop working. If I untick the headphone checkbox, both the headphones
and front speaker channel also stop working. It certainly looks like
these are both sharing the same channel, and I can't see any possible
way I could redirect audio to one specific set of speakers. This is all
aplay shows (aside from some other "surroundXX" plugs that seem unlikely
to be useful):
$ aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
pulse
Playback/recording through the PulseAudio sound server
front:CARD=Intel,DEV=0
HDA Intel, ALC889 Analog
Front speakers
...
surround51:CARD=Intel,DEV=0
HDA Intel, ALC889 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
...
iec958:CARD=Intel,DEV=0
HDA Intel, ALC889 Digital
IEC958 (S/PDIF) Digital Audio Output
$
Would attaching anything else in particular be useful?
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https://bugs.launchpad.net/bugs/344588
Title:
Wine doesn't support 5.1 and 7.1 sound
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