quality of audio

Hello, I need some help as no matter what I do with my settings, the video quality doesn't match what is actually on my screen. I've tried so many different settings, please see the ones that I am currently using below as per a YouTube video. The quality is good, but not as HD as I would like...

So as the title says, im losing quality of mic audio. i tried different usb ports and different adaptors for the cam but the problem still exist. this never happened before, i didnt use the camera or the mic for a few months and i dont want to think that they broke so if you have any solution i...