Noise control projects encompass a comprehensive field, primarily involving three key aspects: identification and control of noise sources, interruption of noise propagation pathways, and protection of noise receptors. Specific tasks include noise reduction measures for industrial equipment, transportation facilities, and construction sites, such as installing mufflers and sound-insulating enclosures; designing soundproofing and noise-absorbing solutions for noise pathways, such as setting up noise barriers and soundproofing walls; and implementing protective measures in noise-sensitive areas like residential zones and schools, such as installing soundproof windows and planting sound-insulating green belts. Additionally, it covers noise monitoring and evaluation, as well as the establishment and enforcement of noise standards.