If you've ever typed "how to stop hearing my neighbor's TV" or "why does my home studio still sound bad even with foam on the walls" into a search bar, you've likely landed in the middle of one of the most common - and most expensive - mix-ups in home and commercial construction. Soundproofing and acoustic treatment are not the same thing. They solve two completely different problems, use different materials, and, most importantly, cost different amounts of money to get wrong