Acoustic system for detecting and locating low intensity and low frequency sound sources and related locating method

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United States of America Patent

PATENT NO 11172289
APP PUB NO 20210029448A1
SERIAL NO

17045695

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Abstract

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An acoustic system and method detect and locate low intensity and low frequency sound sources in an investigation area. An acoustic system is effective in identifying survivors trapped under rubble following a catastrophic event. The acoustic system focuses on the low frequency components of the human voice and includes acoustic sensors for detecting acoustic signals generated by the sound sources and for generating data representative of the acoustic signals. A wireless transmitter transmits the data representative of the detected acoustic signals to an electronic receiver block that receives and analyzes the data. A processor executes calibration of the acoustic sensors of the suite to temporally align each signal received from the acoustic sensors, and executes a digital beamforming to combine the data representative of the detected acoustic signals and to create an acoustic image of the investigation area to locate the low intensity and low frequency sound sources.

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Patent Owner(s)

  • LEONARDO S.P.A.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Di, Lallo Annarita Rome, IT 1 0
Vinelli, Francesco Rome, IT 1 0

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