Dean dives deeper into soundproofing strategies in the home — from understanding the nature of sound as energy, to tips on how to break its travel paths using insulation, air-sealing, and decoupling techniques. He explains the difference between soundproofing and sound absorption, and how to think about windows, walls, and even flooring when it comes to controlling noise. Dean also breaks down the importance of layered defense and shares practical steps for reducing the impact of noise pollution on your home’s comfort and your mental health.