Hotels can experience unwanted noise from neighbouring rooms, corridors, HVAC and mechanical systems, plumbing, external traffic and construction. This PPT explains how hotel soundproofing and acoustic planning can support better guest comfort, acoustic privacy and more controlled room acoustics. It clearly distinguishes soundproofing, which focuses on reducing unwanted sound transmission between spaces, from acoustic treatment, which manages reflections, reverberation and sound behaviour inside rooms. The presentation covers practical solutions including acoustic insulation, sound-rated walls and partitions, acoustic doors and seals, acoustic glazing, ceiling and floor isolation, HVAC and mechanical noise control, and vibration control. It also presents a structured process from site assessment and noise-source identification through acoustic analysis, solution design, material selection, installation and testing/evaluation.