The array of MEMS microphones, called LUCY (Listening system Using a Crow's nest arraY), uses acoustic sensors to detect cries for help and other noises that can identify survivors and help determine their precise locations.
LUCY currently is equipped with 48 microphones, can detect frequencies that cannot be heard by the human ear, and uses artificial intelligence (AI) to filter out noise from rescue equipment, wind, birds, and the drone's rotors.
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