Автоновинки
Source in the
- 11.03.2021
In closed rooms, sound waves, repeatedly reflected from the walls, ceiling, floor, equipment, increase the noise in the room from the source by 10-15 dB compared to the noise from the same source in the open air.
In closed rooms, sound waves, repeatedly reflected from the walls, ceiling, floor, equipment, increase the noise in the room from the source by 10-15 dB compared to the noise from the same source in the open air.