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Source-Location-Informed Sound Field Recording and Reproduction: A Generalization to Arrays of Arbitrary Geometry

机译:源 - 地点通知的声场录制和再现:任意几何阵列的概括

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A sound field recording and reproduction method that takes into account prior information on the locations of primary sources is proposed. Current recording and reproduction methods are generally based on sound field analysis and synthesis in the spatial Fourier domain. However, the size of the reproduced region and the maximum reproduced frequency are limited by the spatial Nyquist frequency. We previously proposed a source-location-informed sound field recording and reproduction method for several array geometries, which enables higher reproduction accuracy above the spatial Nyquist frequency. We here generalize this method for application to arbitrary array geometries. It is shown that two requirements must be satisfied to generalize the method by using an example of cylindrical arrays of microphones and loudspeakers.
机译:提出了一种关于考虑主源的位置的先前信息的声场录制和再现方法。电流记录和再现方法通常基于空间傅立叶域中的声场分析和合成。然而,再现区域的大小和最大再现频率受到空间奈奎斯特频率的限制。我们之前提出了用于多个阵列几何形状的源通知的声场记录和再现方法,其能够高于空间奈奎斯特频率的再现精度。我们这里概括了应用于任意阵列几何形状的方法。结果表明,必须通过使用麦克风和扬声器的圆柱形阵列的示例来满足两个要求来概括该方法。

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