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Psychoacoustic Investigation on the Auralization of Spherical Microphone Array Processing with Wave Field Synthesis

In the present work we have investigated the perceptual effects induced by various errors and artifacts that arise when spherical microphone arrays are used on the recording side. For spatial audio it is very important to characterize the acoustic scene in three-dimensional space. In order to achieve this three dimensional characterization of a sonic scene, spherical microphone arrays are employed. The use of these spherical arrays has some inherent issues because of some errors and by virtue of mathematics involved the in processing. In this paper we analyzed these issues on recording side (spherical microphone array) that plague the audio quality on the rendering side and did a psychoacoustic investigation to access the extent to which the errors and artifacts produce a perceivable affect during auralization when the acoustic scene is reproduced using wave field synthesis.

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AES - Audio Engineering Society