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Not able to hear Audio
paldo Support Forum    paldo    Hardware Compatibility
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 Not able to hear Audio
Junior Mitglied
 
 
 
Posts: 6
Registered: 2008-08-27
I'm not able to hear audio from my HDA dell sound card...the audio
player as well as the movie player does not output the audio. tried
to set the volume using alsamixer but not working..
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Created: 2008-08-27 09:15
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 Re: Not able to hear Audio
Mitglied
 
 
 
Posts: 70
Registered: 2008-08-24
Did you unmuted the PCM and main channels?
 
..............................
Running GNU/Linux Paldo 1.18 (unstable). Rock my box!
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Created: 2008-08-27 09:29
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 Re: Not able to hear Audio
Junior Mitglied
 
 
 
Posts: 6
Registered: 2008-08-27
using alsa mixer as well as the volume control app i was not able
to view the PCM. The main was the only available channel
and it was not muted.
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Created: 2008-08-27 15:08
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 Re: Not able to hear Audio
Moderator
 
 
Linux-Dude
 
Posts: 1187
Registered: 2006-11-23
Hi vasanth, to help you I need some more information.
Give me the output of followed cmds:

Code[In neuem Fenster öffnen]
lspci -v | grep -i audio

Code[In neuem Fenster öffnen]
lsmod | grep -i snd


Output might be like this:

Code[In neuem Fenster öffnen]
[amnon@amnonstvpc:~]$ lspci -v | grep -i audio
00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
[amnon@amnonstvpc:~]$ lsmod | grep -i snd
snd_hda_intel 357396 1
snd_pcm 72836 1 snd_hda_intel
snd_timer 21640 1 snd_pcm
snd_page_alloc 9352 2 snd_hda_intel,snd_pcm
snd_hwdep 8068 1 snd_hda_intel
snd 55076 6 snd_hda_intel,snd_pcm,snd_timer,snd_hwdep
soundcore 8160 1 snd


Maybe your username need to be in the group audio too:

(Substitute <username> with your user)

Code[In neuem Fenster öffnen]
# sudo gpasswd -a <username> audio 
Adding user <username> to group audio

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Created: 2008-08-27 21:37 | Modified: 2008-08-27 21:38 by Amnon82
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 Re: Not able to hear Audio
Junior Mitglied
 
 
 
Posts: 6
Registered: 2008-08-27
I've done these check before posting but i'm not sure whats wrong...

lspci -v | grep -i audio

00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)

lsmod | grep -i snd

snd_hda_intel 344596 1
snd_pcm 78468 1 snd_hda_intel
snd_timer 25224 1 snd_pcm
snd_page_alloc 11400 2 snd_hda_intel,snd_pcm
snd_hwdep 10628 1 snd_hda_intel
snd 57508 6 snd_hda_intel,snd_pcm,snd_timer,snd_hwdep
soundcore 9312 1 snd


i'm logged in as root so this should not be a problem i guess anyway i added root to 'audio' :-)...

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Created: 2008-08-28 03:56
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 Re: Not able to hear Audio
Moderator
 
 
Linux-Dude
 
Posts: 1187
Registered: 2006-11-23
Well it is also good to know the exact chip:

Code[In neuem Fenster öffnen]
[amnon@amnonstvpc:~]$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC883 Analog [ALC883 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0


Does it work in other distributions? Tell me also what brand of your laptop you have. Lenovo has for example some issues.

Here some things you can try:

Read this thread or that
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Created: 2008-08-28 08:07 | Modified: 2008-08-28 08:23 by Amnon82
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 Re: Not able to hear Audio
Mitglied
 
 
 
Posts: 70
Registered: 2008-08-24
Zitat
Original erstellt: 2008-08-27 15:08 von vasanth
using alsa mixer as well as the volume control app i was not able
to view the PCM. The main was the only available channel
and it was not muted.


Try with "alsamixer": it should display all the available channels.
 
..............................
Running GNU/Linux Paldo 1.18 (unstable). Rock my box!
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Created: 2008-08-28 08:23 | Modified: 2008-08-28 08:24 by axelgenus
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 Re: Not able to hear Audio
Junior Mitglied
 
 
 
Posts: 6
Registered: 2008-08-27
@axelgenus : tried that too but not able to see PCM

@Amnon82 : will post the aplay output later...sound works without
any problem in mint,arch,mandriva...
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Created: 2008-08-28 08:26
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 Re: Not able to hear Audio
Moderator
 
 
Linux-Dude
 
Posts: 1187
Registered: 2006-11-23
maybe you only need oss-emulation:

Code[In neuem Fenster öffnen]
su
echo "snd-pcm-oss" >> /etc/modules
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Created: 2008-08-28 08:34
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 Re: Not able to hear Audio
Junior Mitglied
 
 
 
Posts: 6
Registered: 2008-08-27
[root@vasanth:~]# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0

after oss emulation

[root@vasanth:~]# lsmod |grep oss
snd_pcm_oss 43680 0
snd_mixer_oss 17920 1 snd_pcm_oss
snd_pcm 78468 2 snd_pcm_oss,snd_hda_intel
snd 57508 8 snd_pcm_oss,snd_mixer_oss,snd_hda_intel,snd_pcm,snd_timer,snd_hwdep


but not working
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Created: 2008-08-28 15:44
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