How is this even a big deal though? You ran 200 pics through some free tool you found online and got mad it missed one bad weld. Of course it did, half those pics are probably blurry or covered in spatter and dirt. A model trained on clean lab samples is never gonna read a grimy bead in a dim shop the same way a guy with 20 years of hood time does. Sounds like it caught 186 out of 200, which beats most folks squinting at a screen all day. Maybe just let the machine flag stuff and keep your eyes on the ones that actually matter.

The "mic does not care about your marketing box" line is spot on, and it makes me wonder how much of the problem is the mic itself picking up sound through the desk versus just hearing it in the air. Like did you try isolating the board from the desk with a towel or something under it, or was it the actual bottom out noise hitting the mic directly? I ask because I messed with o rings and a mat and it barely moved the needle for me, so I'm curious if foam inside the case did more than the stuff under it.