The acoustic design of the family video hall is divided into two parts:
First, sound insulation design
1, wall sound insulation
First, make a layer of keel in the wall, leave a cavity of ≥50mm in the middle, and then fill the cavity with sound-absorbing cotton. (The sound-absorbing cotton here is not rock wool or glass wool. Everyone knows the above two kinds of sound-absorbing cotton to the body. Harmful) Sound-absorbing cotton should choose eco-friendly sound-absorbing cotton made of polyester fiber. Then use a double-layer gypsum board as a layer of lightweight wallboard outside the keel and place the sound-damping damping material between the two layers of gypsum board (note: all butt joints of the gypsum board should be sealed with putty or sealant).
2, ceiling insulation
The construction method of the ceiling sound insulation is the same as the wall construction. If there is a suspended sound device in the ceiling part, it is necessary to install a shock absorber at the connection between the boom and the floor to prevent the sound of the low frequency vibration from propagating through the boom to the upper floor.
3, the ground sound insulation (can do it according to their own situation)
For sound insulation on the ground, use sound-insulating cushions on the floor, cover the sound-insulating mats and cover them with 40mm thick cement. Finally, install decorative materials such as floor or ceramic tile on the floor. If you don't want to spend too much money, you can lay carpet directly on the floor. .
Second, sound absorption design
Since the requirements for sound are higher when watching movies or singing karaoke, it is also necessary to absorb the sound of the wall. At this time, someone may ask, is it not already soundproofed? Here I want to talk about the difference between sound insulation and sound absorption. Sound insulation is to isolate, cut off or separate the sound. The sound absorption is to convert a part of the sound energy of the surface of the incoming material into heat energy loss, reducing the reflection of the sound, thereby improving the clarity of the sound. Therefore, in order to achieve the best appreciation effect, the sound absorption treatment is also a crucial link. The surface acoustic absorption is now generally selected as a polyester fiber sound absorbing panel. This material has good sound absorption effect, good color, environmental protection and simple construction.
The above is the decoration and soundproofing and sound-absorbing construction methods of the Family Film and Television Hall. I hope that I can help my friends who need to do the film and television hall to avoid unnecessary waste caused by noise disturbance to the neighbors or wrong decoration.
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