One of the reasons why noise between floors has become more severe since the 2000s

(1)Can noise between floors be detected only based on flooring = Expertise
(2)Gaddles say that the noise problem between floors is difficult to solve easily. This is because there are far more situations that are difficult to solve simply by thickening the floor or applying a buffer of new materials and applying a floor structure with new technologies
(3)Some said that “window performance” increases the noise problem between floors, but it is not wrong When the outside noise is reduced, the human hearing is focused on the inside Before the 2000s, one of the main reasons for considering apartments relatively less noise between floors was the mixture of outside and inside sounds. There were not many high-rise buildings. However, more and more people are now responding easily to small internal shocks while the outside sound is completely blocked