Soundproof walls are specially designed barriers that reduce the transmission of sound between spaces. They are commonly used in homes, offices, and recording studios to minimize noise disturbances. These walls can be constructed using various materials, such as drywall, acoustic panels, and insulation, which help absorb or block sound waves. The effectiveness of soundproof walls depends on their thickness, density, and the materials used. Adding mass to a wall, for example, can significantly decrease sound transmission. Additionally, sealing gaps and using soundproofing techniques can enhance their performance, making them ideal for creating quieter environments.