1. Sound isolation: Establish physical isolation, use soundproof walls, doors and windows, soundproof materials, etc. to prevent the spread of noise and reduce the impact of external noise on the interior.

2. Noise absorption: Use sound-absorbing materials such as sound-absorbing boards, sound-absorbing cotton, carpets, etc. to reduce indoor reflections and echoes, prevent noise from bouncing indoors, and thus reduce noise levels.

3. Noise blocking: By adding background music, white noise, etc., noise is masked to minimize its impact on human perception.

4. Use earplugs or headphones: In noisy environments, wearing earplugs or headphones can effectively isolate external noise and provide a relatively quiet auditory environment.

5. Silencing equipment: For the noise generated by specific equipment or machines, it is possible to consider using equipment such as mufflers and silencers to reduce noise generation.

6. Limit noise sources: Take measures to reduce noise generation, such as repairing or replacing noisy equipment, avoiding the use of noisy equipment during noise sensitive periods, etc.

7. Seek professional assistance: For serious noise problems or situations that cannot be solved by oneself, professional architects, acoustic engineers, or noise control experts can be consulted to obtain more professional noise control solutions or suggestions.

1. Mechanical equipment: including engines, fans, air conditioners, fans, elevators, electric tools, mechanical equipment, etc., their operation may produce high noise levels.

2. Transportation: Vehicles such as cars, motorcycles, trains, airplanes, etc. may produce noise during driving, takeoff, landing, or starting.

3. Construction: The construction equipment and machinery, drilling, tapping, excavation, and other operations on the construction site can generate noise.

4. Sound equipment: The sound generated by high-volume music, television, sound system, public broadcasting, and other sound equipment may become a source of noise.

5. Home life: The operating noise of household appliances such as refrigerators, washing machines, vacuum cleaners, air purifiers, etc; Family activities such as children playing and moving furniture can also generate noise.

6. Neighborhood activities: Neighborhood activities such as vocals, walking upstairs and downstairs, family gatherings, pet barks, etc. may generate noise.

7. Natural phenomena: Natural factors such as thunder, wind, water flow, and animal calls can also produce certain levels of noise.

8. Industrial facilities: The operation of industrial facilities such as factories, power plants, warehouses, and processing plants may generate noise, such as machine noise and sewage equipment noise.