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- W2113100315 abstract "Sound source localization systems typically measure differences in time-of-arrival between microphones in free field arrays. Using a different concept, we previously designed and built a localization system that mimics nature's solution of harnessing wave diffraction about the head while relying only on two sensors positioned antipodally. Departing from the biological constraint of two sensors, I recently showed that for broadband sources, a high acuity array could be designed with merely three microphones. Yet adding more microphones may further increase acuity and robustness. The localization algorithm we have developed uses pair-wise comparisons between microphones, the number of which increases quadratically with the number of microphones, N. In order to minimize calculations in time sensitive applications, choosing a subset of pairs may be important. I examine this issue here through simulations of a hexagonal array. Thanks to the redundancy of spatial information contained in multiple microphone measurements, algorithms that are linear in N allow high acuity localization of broadband sources" @default.
- W2113100315 created "2016-06-24" @default.
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- W2113100315 date "2006-10-24" @default.
- W2113100315 modified "2023-09-27" @default.
- W2113100315 title "Planar Spherical Diffraction-Arrays: Linear Sound Localization Algorithms" @default.
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- W2113100315 doi "https://doi.org/10.1109/sam.2006.1706215" @default.
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