The houses in the Garden Community of Normal University have better sound insulation. The house in Normal University Garden is made of solid materials, and the house has good sound insulation. The partition wall is built with hollow bricks or aerated concrete blocks, which has good sound insulation effect. The green belt in the community enhances the sound insulation effect. Normal University Garden Community is the central area of the new city in western Chongqing, about15km away from the city center.