As I said, there are other features, i.e the ins / outs, etc., but these mostly facilitate the main duties listed above. Alsa is a driver database (among other things) whose job it is to connect your hardware with the proper "sound card" which actually refers to, again, a driver that provides access to that hardware (the physical sound card for which the alsa "sound card" is an abstraction.) It is more or less responsible for getting your hardware properly mapped into udev. I do not believe that alsa is your problem. Any hing how to progress on this? What's the respective roles of pulseaudio, pavucontrol, alsamixer? I tried this: /title/PulseAudio/… but Alsamixer interface is obscure. On my computer, the microphone sound is correctly detected in pavucontrol, but it's marked as unplugged and not present in audio parameters. ![]() As the question will disappear along with the bounty, I will include it, word for word, below, in hopes that it can be somewhat useful to users in the future. This answer is to a question provided via a separate user's bounty of this question.
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