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Building noise
Theoretically, noise is all that is perceived by the human ear. A sound source vibrates the surrounding air. These vibrations are transmitted by the air, propagate in the surrounding environment and thus cause the emission of noise. In buildings, it is important to note that these vibrations can pass through the walls and enter the premises. Sound can pass through any material (concrete, glass, metal, etc.) and propagates at a speed specific to each medium.
In residential environments, the structure must be designed in such a way as to attenuate disturbing noises that affect the comfort of the occupants (music, footsteps, voice, television, etc.). As this is a workspace, it is also necessary to limit disturbing noises that distract workers and generate a drop in productivity.
In a building and depending on each person's own experience, the different kinds of noise can bother us on a daily basis. It can be noise generated by traffic or interior noise like the TV. But we also encounter impact noises such as falling objects. In addition, we have all at one time or another known the annoyances produced by the reverberations of sound (echoes). Especially during a conversation.