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最近降低噪声对策的思路已变为“制造安静的制品和设备”、“音质感觉舒适的制品”。所以从规划、开发阶段就要考虑如何抑制噪声的产生已成为重要的课题。为了有效地降低噪声必须综合理解所采用的方案和为此所使用的材料。还有,必须确切知道声源的位置以及声源的特性等。本文除涉及有关减振降噪技术基础的隔声和吸声外,还介绍了声源探测技术之一的声音的可视化技术。
Recently, the idea of reducing noise has been changed to “making quiet products and equipment” and “products that feel comfortable in sound quality.” Therefore, from the planning and development stage, we must consider how to suppress the noise generation has become an important issue. In order to reduce noise effectively, the solutions used and the materials used for this purpose must be comprehensively understood. Also, you must know exactly where the sound source is and what the sound source is like. In addition to the noise and sound absorption related to vibration and noise reduction technology, this paper also introduces the sound visualization technology which is one of the sound source detection technologies.