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External microphones on my device no longer seem to work, it is as if their gain is being continuously set to 0.

I know that this is not a microphone hardware issue because I tested on my Windows partition and the mics work fine. I also tried plugging in different mics on Ubuntu and they didn't work either. When I record myself with my computer's onboard internal mic, it is very noisy and barely intelligible, as if the recording levels were very low and gain is being blasted to bring it up to a "normal" level .

When I view settings in alsamixer I see: enter image description here

Similarly, in my sound settings I can see that the microphone is successfully detected, yet no levels are present enter image description here

When I record my voice in Audacity it is of course completely silent.

Audio output seems to be working fine however, I can play sound both through my onboard speakers and headphones.

I am running Ubuntu 18.04.4 LTS

Leftover Salad
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1 Answers1

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You could try hitting F6 in alsamixer, which should show up a list of sound cards on your machine. Your mic could be one of those, and need the volume raising there too.

Likewise F4 from alsamixer for main input, which you may have done already, but is worth checking.

The mic on your second picture is the onboard mic not the usb one. Have you tried rebooting with the mic plugged in? My experience with external mics has always been nicer after doing that

If you see your mic in alsa soundcards, but your "input" alsa device is something funny instead of your mic, and it's still not showing on sound options, you might need to reorder your audio devices, which arch has a tutorial for here

hardcodeHagrid
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