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Improved microphone array configurations for auralization of sound fields by Wave Field Synthesis.

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In order to correctly reproduce ('auralize') the acoustic wave field in a hall through a Wave Field Synthesis (WFS) system, impulse responses are nowadays measured along arrays of microphone positions. In this paper three array configurations are considered: the linear array, the cross array and the circular array. The linear and cross array configurations both have strong limitations, most of which can be avoided by using circular arrays. In this paper auralization techniques are explained for all three types of arrays. For the circular array configuration the connection between circular holophony, high-order incoming and outgoing ambisonics and plane wave decomposition for a sound field will be established and used as tools for auralization.

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AES - Audio Engineering Society