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Raspberry Pi Tracks Unseen Drones Using Sound

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The implementation uses six microphones, which helps with the accuracy of estimating the location of the drone when its out of visual range.

Even when visually blocked by a tree, the model locates the drone from the sound it makes.

Credit: The University of Texas

Researchers from the universities of Texas and Tennessee used Raspberry Pi computers to track unseen drones with sound.

The DroneChase implementation involves programming the Pi to enclose a detected drone within a red box, using audio to zero in on its location and keep tabs on it even when it is hidden by intervening objects.

A three-dimensionally-printed housing contains the tracker, which could be mounted on a vehicle.

The researchers trained the artificial intelligence model to locate a drone if it is within the camera's visual scope.

DroneChase operates as part of a custom-designed system that uses six microphones to triangulate the drone's position.

From Tom's Hardware
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