11 Jul
2011
11 Jul
'11
11:31 a.m.
Running straight alsa going to the built-in intel/realtek only plays mono!
Amixer shows everything as "mono"
If I set jack (using qjackctl) to play to the Lexicon HW:1, it still plays
throught the built-in (HW:0) and this still in mono! Unpluggin the Lexicon's
USB, of course, changes nothing.
Direct input to the Lexicon, its line connected to the built-in line also
plays mono.
What am I doing wrong?
I am running Debian Sid, recent 2.6.39 kernel.
11 Jul
11 Jul
12:11 p.m.
David Baron wrote:
Running straight alsa going to the built-in
intel/realtek only plays mono!
HDA does not support mono.
Amixer shows everything as "mono"
This just means that these mixer controls have only one value.
If I set jack (using qjackctl) to play to the Lexicon
HW:1, it still plays
throught the built-in (HW:0) and this still in mono!
Do "aplay -D plughw:0 something" and "... plughw:1 ..." work?
Regards,
Clemens
1:54 p.m.
On Monday 09 Tamuz 5771 13:11:07 Clemens Ladisch wrote:
-D HW:1 works through the Lexicon, but a very low level.
-D HW:0 works but at wrong sample rate, i.e. playing a 44.1 wav but at 48k.
Interesting effect anyway.
David Baron wrote:
Not a matter of supporting it. This is what I get. One channel. There is no
"mono" checkbox in any of the GUI for alsa for this chipset. The problem is
getting both channels playing and this makes no difference whether the play is
on the bus or from the line!
Running straight alsa going to the built-in
intel/realtek only plays
mono!
HDA does not support mono.
Amixer shows everything as "mono"
This just means that these mixer controls have only one value.
If I set jack
(using qjackctl) to play to the Lexicon HW:1, it still
plays throught the built-in (HW:0) and this still in mono!
Do "aplay -D plughw:0 something" and "... plughw:1 ..." work?
3:29 p.m.
David Baron wrote:
That low level is probably some mixer control.
When using the mixer, make sure to select the Lexicon (F6 in alsamixer).
On Monday 09 Tamuz 5771 13:11:07 Clemens Ladisch
wrote:
What I meant to say is that it is not possible to send less than two
channels to the hardware.
Is what you get the left or the right channel or a mix?
Is this a notebook that has only one speaker?
David Baron wrote:
Not a matter of supporting it. This is what I get. One channel. Running straight alsa going to the built-in
intel/realtek only plays
mono!
HDA does not support mono. Do "aplay
-D plughw:0 something" and "... plughw:1 ..." work?
-D HW:1 works through the Lexicon, but a very low level. -D HW:0 works but at wrong sample rate, i.e. playing a
44.1 wav but at 48k.
Your Realtek codec doesn't support 44.1 kHz; this is why I asked you to
use "plughw" instead of "hw". :-)
I guess "works" does not mean "stereo"?
Regards,
Clemens
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3 comments
2 participants
participants (2)
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Clemens Ladisch -
David Baron