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首页> 外文期刊>International Journal of Precision Engineering and Manufacturing >An optimal design of the internal space in a micro-speaker module
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An optimal design of the internal space in a micro-speaker module

机译：微型扬声器模块内部空间的优化设计

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摘要

The development of display and battery technologies has led to the miniaturization of smart devices. However, the acoustic performance of micro speakers using less than 1-2 cm(3) of space has been limited. Internal space management for modules with limited internal volumes is a critical factor in the acoustic performance of mobile devices. Previous studies have mostly focused on improving the performance of a micro speaker itself. This study has sought to identify the characteristics of resonant space by performing an anechoic chamber experiment using the Taguchi method and by using the finite element analysis of a micro-speaker module. As a result, an optimum internal space was designed based on the effects of the structural characteristics of the interior of the microspeaker module on the acoustic performance. In particular, focus was placed on the rise in sound pressure at low frequencies and on the flatness of the sound pressure at high frequencies related to the size and shape of the internal space.
机译：显示和电池技术的发展导致了智能设备的小型化。但是，使用不到1-2 cm（3）的空间的微型扬声器的声学性能受到限制。内部空间有限的模块的内部空间管理是移动设备声学性能的关键因素。以前的研究主要集中在提高微型扬声器本身的性能上。这项研究试图通过使用Taguchi方法进行消声室实验并通过对微型扬声器模块进行有限元分析来确定共振空间的特征。结果，基于微型扬声器模块内部的结构特性对声学性能的影响，设计了最佳的内部空间。特别地，关注于与内部空间的大小和形状有关的低频声压的升高以及高频声压的平坦度。

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