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        建筑結構中音響工程實現一個均勻的聲場
        更新時間:2022-06-23
        文章來源:http://www.jmsslc.com/
        閱讀量:22
        一般的音響是沒有能力讓建筑結構完全按照自己的意圖設計的,但是對于工程質量要求嚴格、建筑工程屬于改建結構上進行處理的部分情況,音響設計人員都有必要盡量提出相應的要求。下面來講講建筑結構中音響工程實現一個均勻的聲場的相關內容吧。
        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.
        對聲均勻度的概念,一般都不是十分清楚,工程中也沒有過多的考慮,是不是就不重要了呢?不是,非常重要。舉個簡單的例子:你遇然去一個娛樂廳,發現現場各處聲音情況不同,有的地方音樂很動聽,有的地方又好象缺點什么似的,聲音飄忽不定。這就是均勻度不好造成的影響。
        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.
        在國家有關標準中,一般要求各點場壓級測試值偏差是小于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.
        建筑結構中應該沒有明顯的缺陷。例如:房間中不能有太多的立柱,墻壁應避免有圈套的弧形,尤其是舞臺一側的墻面不能有較大形結構;不能在擴聲范圍內出現較大的聲陰影區等,但是由于在建筑結構施工后期裝飾完工后無法進行大量的改動來滿足這些要求,所以在音響工程中應該盡量利用經驗,巧妙地安排擴聲區,避開較大的缺陷結構,將它們帶來的影響降到很低;
        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;
        山東音響
        可以及時有效地向裝飾單位提供一些簡單的提高聲擴散效果的方案。例如:所有的音樂廳都有很好的聲擴散效果,原因是其內部采用了大量各種形狀的聲擴散體,而且這些結構可以通過一些簡單的裝飾方法來完成。
        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.
        所以只要方法得當應該可以達到較好的效果,當然要想對擴散體的形狀,位置、數量進行合理恰當的設計不是件容易的事,一般比較經濟可行的辦法就是采用墻體水泥拉毛的方法,雖然這種方法顯得比較陳舊而且不太美觀,但它對廳堂的聲擴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.
        山東音響廠家認為合理地布置音響系統,尤其是音箱的擺位一定要嚴格要求。假如在設計中能采用某些音箱廠商提供的電腦設計軟件進行聲場模擬就再好不過了,如果沒有,就應該在實際調整,直到現場聲場很佳為止。
        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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