2019
DOI: 10.1121/1.5083829
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Geometric calibration of very large microphone arrays in mismatched free field

Abstract: Large microphone arrays are an efficient means for source localization thanks to a wide aperture and a great number of sensors. When such arrays are deployed in situ, accurate geometric calibration becomes essential to obtain the microphone positions. In free field, the classic procedures rely on measured Times Of Arrival (TOA) or Time Differences of Arrival (TDOA) between the microphones and several controlled sources. However free field model mismatches, such as reflectors, generate outliers which severely d… Show more

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Cited by 6 publications
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References 49 publications
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