1, electronic market to find a square dance special tool - loud king , have to take the remote control, stop playing freely. Then the closet pad some things, close to the ceiling to put heavy metal, it is said to be super awesome, close the two doors in the room to listen to half an hour blood pressure will rise, find the right time, while the upstairs children nap time to put. Put a few times on a much better, of course, some people's memory is worse than the dog, unless it is really threatened by life, or often open self-consumption mode to put heavy metal, or after a period of time or the same old.
2, building vibrator , the principle of this effect is great, for the electromagnet action (and electric bell similar), through a cell phone app software can control the vibration frequency, vibration length, as you wish.
3, more netizens do gods, drawings and practices have a double layer of 20 * 20CM plywood, thickness of the total ****2CM. nailed together.
Home noise is mainly divided into three categories:
Indoor, outdoor noise and vibration noise. The first two are airborne sound transmission, professional soundproof windows as well as quiet room doors can be a good solution. The latter is the impact of hard objects on the floor caused by vibration, such as footsteps, dragging chairs and tables, slamming door rattles, etc. ... Low-frequency noise can be passed through the walls and floor to all directions of several layers, shock absorption is particularly difficult to deal with, but also home noise is the biggest "culprit".