>>41700502hey, someone else who lives in a warehouse! my stream-room is so empty it still echoes when I talk in it.
the cheapest 'normal-passing office' option would be to fill your room with stuff (soft couch behind you) and add carpets and soft wall decorations (tapestries). that's still expensive, but it's compatible with daily life. or you can build a sound booth out of PVC and blankets, which is cheaper but you live in the babicage™, picrel.
If you have an NVIDIA graphics card, their program NVIDIA Broadcast does wonders for removing noise. It requires some fine tuning of the settings, and often removes 'good' noises too, but it is free.
there's an acoustic panel company named Gik Acoustics that has informational articles on where to place sound treatment options. even if you don't buy into panels, their guides may help you understand where changes need to be made.