Modular environmental noise reduction system

Abstract

The invention discloses a modular environment noise reduction system. The modular environment noise reduction system is characterized in that the modular environment noise reduction system is a noisereduction system composed of a main control circuit module, a pickup and speakers, noises collected by the pickup undergo signal processing by the main control module, and an output control signal isoutput in sound waves, having the inverse phase and the same amplitude with a noise signal of an environment, through the speakers, and is superposed with the noise signal of the environment to achieve the purpose of reducing the environmental noises. Compared with noise reduction systems in the prior art, the modular environment noise reduction system in the invention has the advantages of no blind noise reduction angles, great improvement of the noise influences of residence communities and hotel rooms near roads and busy streets, good reduction of disturbing noises of pump houses of the communities, transformer stations and other public places, simple structure, convenience in use, and good noise reduction effect.

Description

technical field [0001] The invention relates to the technical field of environmental noise control, in particular to a modularized environmental noise reduction system based on active noise reduction technology. Background technique [0002] At present, with the increasing pressure of people's work and life, anxiety often accompanies the urban population. Once the rest place cannot provide a quiet environment, it is easy to cause people's insomnia. Nowadays, the pump rooms and substations of many residential quarters are installed on the ground outside the building, which is easy to generate worrying noise and affect people's rest. Most hotels are located in downtown areas, and there are often vehicles, subways and other facilities around them. The noisy phenomenon of people seriously affects people's sleep quality. Therefore, if a quiet bedroom environment can be provided, it will be very helpful for people's sleep, and it is very necessary to improve health and improve wor...

AI Technical Summary

Problems solved by technology

Some apartment bedrooms are close to the pump room, substation and other places in the community, and people's rest will be greatly affected by noise such as engines; while windows are close to the road and hotel rooms in do

Images