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ALSA tries to output sound to center speaker [solved]
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ryan83vt
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PostPosted: Fri Nov 08, 2002 6:51 pm    Post subject: ALSA tries to output sound to center speaker [solved] Reply with quote

K I DID search for this topic but couldnt find anything, so if anybody knows about a thread about this that exists, please point me toward it.

That being said, here's my problem. I finally got my sound modules loaded with alsa and volume control works and everything (emu10k1). But I have 5.1 speakers and it tries to output to the center speaker, which its not supposed to do and its all scratchy. Plus the sound quality out of the other speakers isnt like its supposed to be, and gnome sounds (like sounds it makes by opening stuff and all) are reeeelly poor.

I had this problem when I used mandrake, but I fixed it by going into harddrake and selecting the sound driver (which was already selected), and pressing ok, and it all was better.


Last edited by ryan83vt on Sun Nov 10, 2002 4:08 am; edited 1 time in total
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BonezTheGoon
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PostPosted: Fri Nov 08, 2002 7:06 pm    Post subject: Reply with quote

What do you have compiled into your kernel regarding sound? What is the output of lsmod? Just run:

Code:
lsmod


How high do you have your sound turned up in the amixer? What channels are unmuted?

Hows that for a quick run with everybody's favorite forum game, twenty questions?

Regards,
BonezTheGoon
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ryan83vt
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PostPosted: Sat Nov 09, 2002 3:01 am    Post subject: Reply with quote

k here's my stuff:

lsmod:
Code:

Module                  Size  Used by    Tainted: P 
snd-pcm-oss            37348   1  (autoclean)
snd-mixer-oss          11448   1  (autoclean) [snd-pcm-oss]
NVdriver             1067648  10  (autoclean)
snd-emu10k1            70220   3
snd-pcm                57376   0  [snd-pcm-oss snd-emu10k1]
snd-timer              11848   0  [snd-pcm]
snd-util-mem            1552   0  [snd-emu10k1]
snd-rawmidi            14624   0  [snd-emu10k1]
snd-seq-device          4352   0  [snd-emu10k1 snd-rawmidi]
snd-hwdep               4352   0  [snd-emu10k1]
snd-ac97-codec         28356   0  [snd-emu10k1]
snd                    30028   1  [snd-pcm-oss snd-mixer-oss snd-emu10k1 snd-pcm snd-timer snd-util-mem snd-rawmidi snd-seq-device snd-hwdep snd-ac97-codec]
soundcore               4420   6  [snd]

amixer:
Code:

Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Front Left: Playback 17 [55%] [on]
  Front Right: Playback 17 [55%] [on]
Simple mixer control 'Master Mono',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [off]
................................(skipped some stuff)
Simple mixer control 'EMU10K1 PCM Send Routing',0
  Capabilities: volume
  Playback channels: Front Left - Front Right - Front Center - Rear Left - Rear Right - Woofer - ? - ? - ? - ? - ? - ?
  Limits: 0 - 15
  Mono: 0 [0%]
  Front Left:
  Front Right:
  Front Center:
  Rear Left:
  Rear Right:
  Woofer:
  ?:
  ?:
  ?:
  ?:
  ?:
  ?:
Simple mixer control 'External Amplifier Power Down',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Simple mixer control 'SB Live Analog/Digital Output Jack',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]

I could post the whole thing but amixer outputs a whole lot of stuff.
In volume control, nothing is muted.
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ryan83vt
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PostPosted: Sun Nov 10, 2002 4:08 am    Post subject: Reply with quote

ok you fix it by running alsa mixer and muting digital output. I cant believe nobody figured that out........... or was just nobody bothering
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squanto
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PostPosted: Tue Nov 12, 2002 1:00 am    Post subject: Reply with quote

ryan83vt wrote:
ok you fix it by running alsa mixer and muting digital output. I cant believe nobody figured that out........... or was just nobody bothering


Well, good thing you figured it out then ;)
On another note, I will keep this in mind when I get my new 5.1 card :mrgreen:

-Andrew
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Genito
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PostPosted: Tue Nov 12, 2002 6:02 pm    Post subject: Reply with quote

Hi, glad you got your problem sorted.

Does that mean that youve got full 5.1 working using alsa and the emu10k1 drivers? ive been trying to get this working ( without alsa) for some time now, if you have got all 6 speakers working id be REALLY REALLY greatful if you let me know how you did it and what drivers/tools you used!

many thanks in advance..
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And no, my name has nothing to do with the linux distribution i use :P
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squanto
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PostPosted: Tue Nov 12, 2002 6:32 pm    Post subject: Reply with quote

Genito wrote:
Hi, glad you got your problem sorted.

Does that mean that youve got full 5.1 working using alsa and the emu10k1 drivers? ive been trying to get this working ( without alsa) for some time now, if you have got all 6 speakers working id be REALLY REALLY greatful if you let me know how you did it and what drivers/tools you used!

many thanks in advance..


I think as of 0.9 alsa, only 4.1 was supported... but don't quote me on that :mrgreen:
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ryan83vt
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PostPosted: Wed Nov 13, 2002 9:14 pm    Post subject: Reply with quote

Well I have 4 speakers and the sub working -- the center speaker is only supposed to be used for dvds where the decoder sends a signal to it or something.... I havent gotten dvd setup yet.
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