When I use the built-in microphone without headset, everything is fine and the recording quality is high, no noise.
But when I plug in the headset (and mic), there is a high noise in my recordings. Headset is fine and tested on Windows.
I tried to lower down
Headset Mic Boost value in the
alsamixer but it didn't help much. I also added the following line
/etc/pulse/default.pa file which added a new option in the Sound settings of my system as 'echo cancelled with built-in audio analog stereo', which is fine with built-in mic but not with headset mic.
Even when I try to set the input device in the Sound settings of my system to use the built-in mic (while the headset is plugged in), the system simply ignores that and records using the headset.
I also updated the kernel from default 4.15 to 5.3, still no help.