*** Vibrating sound is better than * * * vibrating sound, because the vibrating sound is too loud.

The earthquake artifact is more lethal, but it spreads too widely, and it will bear great psychological pressure if it spreads to the whole building. * * * Vibrating sound is in use, which only affects the upstairs and downstairs rooms on that ceiling. The building-shaking artifact is actually a vibration motor, which needs to be installed on the ceiling. Once the switch is turned on, the residents upstairs will feel obvious earthquake and noise. Building vibration equipment will cause upstairs vibration, and cooperate with special sound waves to reduce upstairs noise.

The building vibration device works well when used, but it will damage the building structure. You can understand that the house is a person, and the structure of the house is a skeleton, which is scattered by a shock. It mainly destroys the stability and firmness of the house, but it has little effect once or twice, and it may not be the case many times.

methods of sound insulation

1. seal the window

the window is well sealed, which can not only isolate outdoor wind and rain, but also play a good role in sound insulation. If the windows at home are not well sealed, it is recommended to use sealing tape to solve this problem. This method has low cost and good effect.

2. Use soundproof windows

With the variety of doors and windows and the improvement of people's quality of life, soundproof windows are gradually welcomed by families. The glass of soundproof window is generally laminated glass, which can be stacked in multiple layers, and several layers can be selected according to their own economic conditions. Another kind of glass is vacuum glass, which has a very good sound insulation effect, but it is expensive and difficult to buy.