The problem comes when I restart my computer: it doesn't work automatically. To the file /etc/pulse/default.pa, in order to make the remap permanent and also make the source default.
In an ArchLinux troubleshooting wiki, I've found that I need to add the lines load-module module-remap-source source_name=record_mono master=INPUT_NAME master_channel_map=front-left channel_map=mono Pacmd load-module module-remap-source source_name=mono master=$M master_channel_map=front-left channel_map=mono The answer suggests to use the module-remap-source command to remap one of the stereo channels to a new mono source: M=$(pacmd list-sources | grep -P "name.*alsa.*input" | tail -n 1 | perl -pe 's/.*.*//g') Is it possible?īecause of suggestions, I tried to make input source mono, instead of stereo, like in this answer. I've already tried some solutions to deactivate microphone auto adjusment volume (which didn't work for me), but I'm looking for keeping auto adjustment activated while the right channel is deactivated. When it happens, the right channel is activated again and set to the auto adjusted level.
Until the microphone auto adjusts the volume. So I've just deactivated the right channel on Pavucontrol and it worked like a charm. In my research, I've found that it's very common to have mono microphone not working because the two channels are activated. I have a Lenovo Ideapad 330 running Ubuntu 20.10 and the microphone doesn't work.
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