I had a issue with my usb headset, the microphone is not working anymore.

you must delete

rm -rf /home/user/.config/pulse

reboot

that’s it

sollte man sich mal anschauen

http://djchuang.com/2015/wikis-made-easier-to-edit-with-beautiful-designs/

https://www.lessonslearnedserver.com/

http://www.wikimatrix.org/