Brett Marmo, Xi Engineering; Martin Roberts, WAT, UK
相比于传统的动圈式耳机,静电换能器的清晰度高、总谐波失真小、频率范围大,成为了市场追捧的高端产品。然而此类换能器对制造加工精度的要求极为严苛,因此售价过高,难以进入更广阔的主流消费市场。华威音频技术有限公司(WAT)借助多物理场建模和仿真 App 开发了一款易于制造的静电换能器。工程师在仿真模型中耦合了结构-MEMS-声学现象,从而捕捉到耳机中高精度静电层压材料(high-precision electrostatic laminate)换能器的高度非线性特性,并对其性能进行了优化。
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