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Thoroughly solve the isolation of the piano sound must be treated in the room, the ground is made of floating, the wall is double-walled, and the top surface is made of a soundproof ceiling, which forms a liner-type room without any rigid connection with the original structure. According to our similar experience in sound insulation processing, the sound insulation can reach 70dB-75dB. For the piano sound, take the grand piano such as Beethoven's "destiny" as an example. The sound level in the piano room is about 90-100dB(A), and the noise transmitted to the neighbor will not exceed 30dB (A). It is completely satisfactory. When there is a dedicated piano room in the US residential design (a dedicated piano room without electric guitar and jazz drum), the design standard for building sound insulation is Rw=70dB. If you have a plan to use the room to change to the piano room, it is recommended that you complete the interior decoration together with your neighbor before you check in. People often have a "pre-emptive" mentality. If they have already interfered with their neighbors and then deal with them, the sound insulation effect is good, and the neighborhood relationship is inevitably overshadowed. After being entangled with the neighborhood problem, there will be strong dissonance. . In addition, the sound insulation decoration destroyed the original decoration, which is not a small loss for the residents.
When performing sound insulation decoration, you should also pay attention to the sound absorption decoration in the piano room. For the piano, the indoor intermediate frequency reverberation time is optimally controlled at about 0.4s, and the reverberation time frequency characteristics are basically straight.
Good sound insulation involves many aspects such as design, construction, materials, testing, etc. It is recommended to contact and consult Chengdu Duoyin Technology Co., Ltd.
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Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn