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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：通过使用Virtual Source Visualizer测量声音强度来简单评估再现声场的方法

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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：近来，提出了用于恢复/再现3D声场的多种技术。但是，在常见条件下比较这些声学性能的机会很小。尽管主观评估是评估再现声场的最有效方法之一，但仍需要认真努力。因此，作者提出了另一种方法，该方法仅需要对声音强度进行物理测量。因为该方法基于强度分析，所以这里将“声音图像”假定为“基于振幅的幻象声源”。为了验证该方法的有效性，对各种类型的复制场进行了测量和分析。结果，确定了该方法可以评估再现的声场的适当特征，而不管其恢复技术如何。

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