In order to create a quiet sound field and avoid the impact on the units and residents in the surrounding environment, at the beginning of the sound field design, the sound insulation treatment should be considered to provide a good congenital condition for the sound field. The sound insulation treatment involves the sound insulation between the building and the outside, and the sound insulation of each room in the building. Sound insulation parts include: sound insulation of partition walls, doors and windows, and sound insulation of ceilings connecting rooms at the top.
For the sound insulation with the outside world, the general building structure can meet the basic sound insulation requirements. However, if the needs of the sound engineering are not considered at all in the building design, the sound insulation situation should be investigated. If necessary, the building design unit should be consulted to learn about the local noise restrictions from the public security authority. Generally, do not use the height of the floor as the sound insulation between rooms of Shandong stage lighting and sound engineering. If the wall is too thin, it will bring certain difficulties to the project. At this time, the machine will negotiate with the decoration unit to add a layer of partition to the wall during decoration to solve the medium and high frequency sound insulation.
It is difficult to completely solve the low-frequency sound insulation, because there is no more effective way except to increase the weight of the sound insulator. Doors and windows are the weak link of sound insulation treatment. For their sound insulation, we can suggest to the decoration unit to improve the manufacturing quality of doors and windows. If necessary, we can use leather doors and double-layer glass windows, or add isolation channels outside the door and hang heavy double-layer curtains on the windows;
The sound insulation of the ceiling connecting the rooms on the top is also crucial. Especially in some large entertainment places built in recent years, the sound of the hall has a great impact on the surrounding private rooms. Part of the interference comes from the ceiling. The sound insulation scheme for this part cannot be put forward too late, otherwise it is difficult to implement. Therefore, the sound designers are required to put forward problems to the decoration unit as soon as possible and coordinate a feasible scheme. For example, a layer of fireproof and sound-absorbing cotton is covered on the ceiling, or a layer of ceiling is added at a certain distance above the ceiling.
The sound insulation treatment of Shandong stage lighting and sound engineering is of great significance. It is necessary to improve the quality of the project and facilitate the normal use of users. At the same time, we should carefully consider whether the sound insulation treatment is necessary and whether the treatment method is feasible, otherwise it will increase some unnecessary work and expenses.
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