Soundproofing techniques are methods used to reduce or eliminate unwanted noise in a space. Common techniques include adding acoustic panels to walls, using soundproof curtains, and installing double-glazed windows. These materials absorb or block sound waves, making environments quieter and more comfortable. Another effective technique is sealing gaps and cracks in doors and windows with weatherstripping or acoustic caulk. This prevents sound from leaking in or out of a room. Additionally, using mass-loaded vinyl or soundproofing mats on floors can further enhance sound insulation, creating a more peaceful atmosphere.