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Alterations of the Temporal Spectrum in High-Resolution Sound Field Reproduction of Different Spatial Bandwidths

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We present simulations of the wave field reproduced by a discrete circular distribution of loudspeakers. The loudspeaker distribution is driven either with signals of infinite spatial bandwidth (as it happens in wave field synthesis), or the loudspeaker distribution is driven with signals of finite spatial bandwidth (as it is the case in near-field compensated higher order Ambisonics). The different spatial bandwidths lead to different properties both of the desired component of the reproduced wave field as well as of the spatial discretization artifacts. Our investigation focuses on the potential consequences of the artifacts on human perception.

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AES - Audio Engineering Society