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Refinements of transmission line loudspeaker models

机译:传输线扬声器型号的改进

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Simple waveguide models of loudspeaker enclosures describe well enclosures with simple interior geometry, but their accuracy is limited if used with more complex internal structures. A refinement of transmission line loudspeaker model is discussed, presenting one-dimensional waveguide approximations for bends and corners. Bends and corners are represented as area changes in the line, approximated as one-dimensional line segments with parameters adjusted to match the exact solutions for sharp (rectangular) corners in a waveguide. Besides modeling the paper discusses the sound transmission characteristics of commonly used bend types and the applicability of the results to folded horns.
机译:扬声器箱的简单波导模型描述了具有简单内部几何形状的孔箱,但如果与更复杂的内部结构一起使用,其精度将受到限制。讨论了传输线扬声器模型的改进,提出了弯曲和拐角的一维波导近似。弯曲和拐角表示为线中的面积变化,近似为一维线段,并调整了参数以匹配波导中尖锐(矩形)拐角的精确解。除了建模之外,本文还讨论了常用弯曲类型的声音传输特性以及结果对折角的适用性。

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