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- W1488054016 abstract "The direction of arrival of impulsive, wideband audio signals, specifically of gunshot signals, is the main interest of this work. The Generalized Cross-Correlation (GCC) method, typically employed for wideband signals, is used in a tetrahedral microphone array to estimate horizontal and vertical angles. An investigation on the performance of the scheme is carried out based on signals recorded in an open air, low-noise environment, and then repeatedly replayed in an open-air, noisy environment, under controlled Direction of Arrival. To increase the accuracy of DoA estimates, the correlation function evaluated between each pair of microphones and used by GCC methods goes through an interpolation process. From this study, we have concluded that the GCC method can perform adequately in the task of estimating the DoA of a gunshot signal even in the presence of strong noise level and lower sampling frequency." @default.
- W1488054016 created "2016-06-24" @default.
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- W1488054016 date "2011-09-15" @default.
- W1488054016 modified "2023-09-27" @default.
- W1488054016 title "DoA of gunshot signals in a spatial microphone array: Performance of the interpolated Generalized Cross-Correlation method" @default.
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