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Old 02-26-2005, 11:08 AM   #1
sloik2000
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Sound servers will not work


Hi guys,
I am officially confused. Again.
Which sound server is most compatible, and how do I get it to work?
I am not sure which one I am currently using, but aumix seems to control the volume.
When I try to enable the sound system from the KDE control center, I get an error.
Code:
Sound server informational message:
Error while initializing the sound driver:
device: default can't be opened for playback (No such file or directory)
The sound server will continue, using the null output device.
I want a sound server that will work well with KDE, and also for my games and Mplayer.
Thanks,
-Sloik
 
Old 02-26-2005, 04:28 PM   #2
acid_kewpie
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well you really want to be using ALSA, as that's the standard system. there's not a huge amount of choice really. you do have different levels of sound server though.
Code:
   applications
     |  |   | 
- - - - - - - - -   
   ||   ||   ||  
   ||  ESD  ARTS
   ||   |    |
- - - - - - - - -  
     ||     |     
    ALSA   OSS
so you have low level interfaces of oss (old) and alsa (new) both of which can accept direct input from apps, or you can use a middle level server (as well) with esd (gnome) or arts (kde) which are basically "prettier" but in the large part their functionality has been obseleted due to the differences in oss and alsa. so basically alsa can do retty much anything and more than esd or arts could do for you, so you're best of going straight through from applications to alsa if possible.

well.. that's my opinion at least.
 
Old 02-26-2005, 08:11 PM   #3
sloik2000
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Yes but, how do I make sure it is using ALSA? And how do I get that error message to dissappear and let KDE use sound?
Thanks,
-Sloik
 
Old 02-27-2005, 08:02 AM   #4
saltire
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If you have ALSA installed, you should be able to select it in the sound -> sound system section of the KDE control center. If it is not available in the top drop-down menu, it is not installed.
 
Old 02-27-2005, 09:33 AM   #5
sloik2000
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I selected "Advanced Linux Sound Architecture" as you said, but when I click apply, I still get that message.
Code:
Sound server informational message:
Error while initializing the sound driver:
device: default can't be opened for playback (No such file or directory)
The sound server will continue, using the null output device.
Thanks,
-Sloik

PS
What sound system does aumix control? Maybe it is interfiering with ALSA.

Last edited by sloik2000; 02-27-2005 at 09:35 AM.
 
Old 02-27-2005, 12:41 PM   #6
idefinehell
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I think aumix basically is a volume control application

and to configure alsa driver try killing 'artsd' server

using output of 'ps -ax|grep artsd' and continue configuring alsa drivers

in control center.

PS: post u r result
 
Old 02-27-2005, 04:44 PM   #7
sloik2000
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Nope, I killed the processes, and I still get that one message.
Oh, and in the top of the message window it says "Informational - artsmessage"

Another thing I tryed is; Menu>Prefrences>More Prefrences>Multimedia Systems Selector
It has some dropdown lists to select multimedia systems like ALSA.
I selected ALSA, and clicked the test button, and recieved an error stating:
Code:
Failed to construct test pipeline for 'ALSA - Advanced Linux Sound Architecture'
The dropdown lists contains; ALSA, artsd, ESD, and OSS.

Thanks,
-Sloik
 
Old 02-27-2005, 05:30 PM   #8
acid_kewpie
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well i'm left assuming you've not actaully configured alsa at all...
 
Old 02-27-2005, 08:35 PM   #9
saltire
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Try running alsaconf as root to configure alsa.

I'm having a similar problem, but I think it's to do with artsd being broken / not being able to start or find alsamixer for some reason.
 
Old 02-28-2005, 06:41 AM   #10
sloik2000
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Weird...
Code:
[root@hmsm hayden]# alsaconf
bash: alsaconf: command not found
-Sloik
 
  


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