10

I have tried:

aumix -i 100

However that only seems to get me to about 3/4 of the maximum volume when I look at the change in the Sound Preferences panel.

Here is a screenshot of Sound Preferences panel with unexpected microphone volume:

enter image description here

I am using Xubuntu 9.10.

1
  • Just found out that using alsactl store to save audio settings could help! Sep 15, 2014 at 12:16

5 Answers 5

17

Try:

amixer set Capture 5%+
amixer set Capture 5%-

to increase or decrease the mic volume.

1
  • hmm thanks. This has the same issue though. It caps out at what it says is 21dB. Jul 7, 2010 at 12:57
3

You could try alsamixer. It's a simple CLI mixer for Alsa.

2
amixer sset 'Digital',0 120

This is just an example. Replace 'Digital,0' appropriately. 120 is the mic level.

2

With amixer you can set it with commandline

amixer scontrols gives you the controls you can set

amixer sset Mic 100% gives you the 100% of capture of your microphone

1
  • This works particularly well on Rasbian Lite, thanks. Also, if you look at the output of "amixer controls" you may see a range-- e.g. 0-35. For me "amixer sset Mic 100%" has the same effect as "amixer sset Mic 35". May 1, 2019 at 3:04
1

Adding to Sidjit Raput's answer which worked for me, you have to do:

amixer scontrols

... to find the ones to put in the volume setup/boost command (from bbs.archlinux.org > Alsa audio won't work). Mine was 'Internal Mic Boost',0 so:

amixer sset 'Internal Mic Boost',0 120

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