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Old 07-06-2014, 02:47 AM   #1
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Registered: Jul 2003
Location: Toronto, Ontario, Canada
Distribution: Ubuntu Linux 14.10
Posts: 1,148

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no sound

Hello. I am not getting sound for some reason. I was, but after the last update, it seems to have stopped.

mark@mark-OptiPlex-755:~$ grep "Codec:" /proc/asound/card*/codec*
Codec: Analog Devices AD1984
mark@mark-OptiPlex-755:~$ aplay /usr/share/sounds/alsa/Front_Center.wav
Playing WAVE '/usr/share/sounds/alsa/Front_Center.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
mark@mark-OptiPlex-755:~$ sudo aplay /usr/share/sounds/alsa/Front_Center.wav
[sudo] password for mark: 
Playing WAVE '/usr/share/sounds/alsa/Front_Center.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono
Hear nothing whether it's sudo or not. See above.

Seems to recognize the sound card:
mark@mark-OptiPlex-755:~$ sudo aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD1984 Analog [AD1984 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 2: AD1984 Alt Analog [AD1984 Alt Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
k@mark-OptiPlex-755:~$ lspci -v | grep -A7 -i "audio"
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
	Subsystem: Dell Optiplex 755
	Flags: bus master, fast devsel, latency 0, IRQ 45
	Memory at fe9dc000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 02) (prog-if 00 [Normal decode])
I'm using xfce and have the audio mixer plugin within the panel. Even though it says it's not mute, when I change the volume it does show a graph with a red ex (see attachment). So, something somewhere seems off.
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Last edited by mark_alfred; 07-06-2014 at 03:11 AM.
Old 07-06-2014, 11:37 AM   #2
Steve R.
Registered: Jun 2009
Location: Morehead City, NC
Distribution: Ubuntu 14.04
Posts: 244

Rep: Reputation: 49
Install the GNOME ALSA Mixer from Ubuntu's Software center. It provides a bit more information than Ubuntu's sound settings.
When I have (occasionally) lost sound as a result of a Ubuntu upgrade I have been able to "fix" it through the GNOME ALSA Mixer.
Please be aware that my "fixing" has been somewhat haphazard, pressing various options until one worked.
1 members found this post helpful.
Old 07-06-2014, 11:44 AM   #3
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Registered: Jul 2003
Location: Toronto, Ontario, Canada
Distribution: Ubuntu Linux 14.10
Posts: 1,148

Original Poster
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Thanks Steve. I did fix this by simply logging out and logging into the Unity default desktop, which showed that my sound was in fact muted. The audio mixer of xfce didn't show that and thus didn't give the option to undo the muting, whereas the mixer in the Unity desktop did. I likely should try to get used to the default desktop of Ubuntu, but I just haven't been able to. So, I added xfce, but it's a bit buggy.
Old 07-06-2014, 11:46 AM   #4
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