Ubuntu: Volume mutes when set below ~20% 14.04



Question:

Since updating to 14.04, I'm unable to set a lower volume. According to the alsamixer, it automatically mutes when I try to go below 18%.

How can I restore access to the quieter volumes? Ubuntu 14.04 running on a Dell Inspiron 1501


Solution:1

I've also had this problem for several years now in all the releases of Ubuntu.

@Tim, it is already reported in launchpad. Related bug report: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/443131

According to the last comment, this bug won't be fixed :(

PS: This was meant to be / should have been a comment like the ones above, but apparently I need 50 reputation points to be able to do that..


Solution:2

I found the solution here worked for me.

As root, you'll need to edit the file:

$ sudo vim /usr/share/pulseaudio/alsa-mixer/paths/analog-output.conf.common  

Find the section that looks like the following:

[Element PCM]  switch = mute  volume = merge  override-map.1 = all  override-map.2 = all-left,all-right  

Add a new setting for volume-limit so it looks like this:

[Element PCM]  switch = mute  volume = merge  volume-limit = 0.05    # This is the new line  override-map.1 = all  override-map.2 = all-left,all-right  

Then you need to restart PulseAudio with the following command:

$ pulseaudio -k  

If you had any applications playing sound, they will be muted. You'll have to restart them to get sound again and then you can test your new settings.

The original author of the solution suggested setting volume-limit = 0.01, but I found that to be too quiet, so I use 0.05. You can test smaller or larger values to fit your preferences.


Solution:3

Setting volume-limit works for headphones but will, probably, make sound too quiet while using other speakers.

As alternative solution, try setting ignore_dB=1 in /etc/pulse/default.pa.

load-module module-udev-detect ignore_dB=1  

From ArchLinux Wiki


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