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建筑结构中音响工程实现一个均匀的声场
更新时间:2022-06-23
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一般的音响是没有能力让建筑结构完全按照自己的意图设计的,但是对于工程质量要求严格、建筑工程属于改建结构上进行处理的部分情况,音响设计人员都有必要尽量提出相应的要求。下面来讲讲建筑结构中音响工程实现一个均匀的声场的相关内容吧。
The general sound system is not able to make the building structure design completely according to its own intention. However, it is necessary for the sound designers to put forward corresponding requirements as far as possible in the case that the project quality requirements are strict and the construction project is part of the reconstruction structure. Let's talk about the related contents of the sound engineering in the building structure to achieve a uniform sound field.
对声均匀度的概念,一般都不是十分清楚,工程中也没有过多的考虑,是不是就不重要了呢?不是,非常重要。举个简单的例子:你遇然去一个娱乐厅,发现现场各处声音情况不同,有的地方音乐很动听,有的地方又好象缺点什么似的,声音飘忽不定。这就是均匀度不好造成的影响。
Generally, the concept of sound uniformity is not very clear, and there is not too much consideration in the project. Is it not important? No, very important. Take a simple example: when you go to an entertainment hall, you find that the sound conditions are different everywhere. Some places have beautiful music, and some places seem to have some shortcomings. The sound is erratic. This is the effect of poor uniformity.
在国家有关标准中,一般要求各点场压级测试值偏差是小于2dB。
In relevant national standards, it is generally required that the deviation of field pressure level test value at each point is less than 2dB.
建筑结构中应该没有明显的缺陷。例如:房间中不能有太多的立柱,墙壁应避免有圈套的弧形,尤其是舞台一侧的墙面不能有较大形结构;不能在扩声范围内出现较大的声阴影区等,但是由于在建筑结构施工后期装饰完工后无法进行大量的改动来满足这些要求,所以在音响工程中应该尽量利用经验,巧妙地安排扩声区,避开较大的缺陷结构,将它们带来的影响降到很低;
There should be no obvious defects in the building structure. For example, there should not be too many columns in the room, and the wall should avoid the arc of traps, especially the wall on one side of the stage should not have a large shape structure; It is not allowed to have large sound shadow areas within the sound reinforcement range. However, since a large number of changes cannot be made to meet these requirements after the decoration is completed in the later stage of the construction of the building structure, experience should be used as much as possible in the sound engineering to skillfully arrange the sound reinforcement areas, avoid large defective structures, and reduce their impact to a very low level;
山东音响
可以及时有效地向装饰单位提供一些简单的提高声扩散效果的方案。例如:所有的音乐厅都有很好的声扩散效果,原因是其内部采用了大量各种形状的声扩散体,而且这些结构可以通过一些简单的装饰方法来完成。
It can timely and effectively provide some simple schemes to the decoration units to improve the sound diffusion effect. For example, all concert halls have good sound diffusion effect, because a large number of sound diffusers of various shapes are used inside, and these structures can be completed by some simple decoration methods.
所以只要方法得当应该可以达到较好的效果,当然要想对扩散体的形状,位置、数量进行合理恰当的设计不是件容易的事,一般比较经济可行的办法就是采用墙体水泥拉毛的方法,虽然这种方法显得比较陈旧而且不太美观,但它对厅堂的声扩散能起到非常有效的作用。
Therefore, as long as the method is appropriate, it should be able to achieve better results. Of course, it is not easy to design the shape, position and quantity of the diffuser reasonably and properly. Generally, the more economical and feasible method is to use the wall cement roughening method. Although this method seems old and not beautiful, it can play a very effective role in the sound diffusion of the hall.
山东音响厂家认为合理地布置音响系统,尤其是音箱的摆位一定要严格要求。假如在设计中能采用某些音箱厂商提供的电脑设计软件进行声场模拟就再好不过了,如果没有,就应该在实际调整,直到现场声场很佳为止。
Shandong audio manufacturers believe that the reasonable layout of the audio system, especially the placement of the speakers, must be strictly required. If the computer design software provided by some speaker manufacturers can be used for sound field simulation in the design, it would be better. If not, it should be adjusted in practice until the sound field is very good.
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