But this is an insignificant influence in comparison with the importance of which insulation and what materials were used in the construction of walls, floor and ceiling. If we are talking about residents of apartment buildings, then everything is clear, these are concrete structures and brickwork. As for residents of houses, there are many options. To improve the soundproofing indicators of the apartment, it is necessary to use drywall and mineral wool. You can also resort to the help of wood. This, as for salvation from the noise, which neighbors create, and from street noise, in addition to insulating walls, it is necessary to establish glazing with good sound insulation.