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A simple evaluating method of a reproduced sound field by a measurement of sound intensities using Virtual Source Visualizer

机译：使用虚拟源Visualizer测量声强度的重复声场的简单评估方法

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Recently, many kinds of technologies for restoring/reproducing 3D sound fields are proposed. However, it is little opportunity to compare these acoustic performances under a common condition. Though a subjective evaluation is one of the most effective methods for evaluating reproduced sound fields, it requires careful effort. Therefore, the authors propose an alternative method which requires only a physical measurement of sound intensities. Because the method is based on the intensity analysis, "sound images" are assumed to be "amplitude-based phantom sound sources" here. In order to verify effectiveness of the method, various types of reproduced fields were measured and analyzed. As a result, it is ascertained that the method can evaluate proper features of reproduced sound fields, regardless of their restoring techniques.
机译：最近，提出了许多用于恢复/再现3D声场的技术。但是，很少有机会在常见条件下比较这些声学性能。虽然主观评估是评估再现的声场的最有效方法之一，但需要仔细努力。因此，作者提出了一种替代方法，该方法仅需要声音强度的物理测量。因为该方法基于强度分析，所以“声音图像”被认为是“基于幅度的幻像声源”。为了验证该方法的有效性，测量并分析了各种类型的再现字段。结果，确定该方法可以评估再现声场的适当特征，无论其还原技术如何。

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