What is the role of adding a soundproof enclosure

Soundproof enclosure, also known as acoustic enclosure, refers to a cover to cover the sound source inside, to control the source noise outward a kind of sound insulation device. Certain mechanical equipment with high sound power level, such as air compressors, turbines, fans, ball mills, water pumps, oil pumps, generators, turbines, etc., can be used to reduce the impact of noise on the environment by using a soundproof enclosure if they are small in size and regular in shape, or large in size but the space conditions allow it.