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27 Jan 2008

peanut_bot_cornell_university_autonomous_robot.jpg

The PeanutBot robot consists of three microphone circuits, three servo motors, an MCU and a PC. The three microphones were used to triangulate the angle of the source relative to the robot. The audio source plays a continuous stream of pulses. Pulses were chosen over a continuous tone because, instead of detecting phase difference in the audio signal, our system detects the arrival time of the signal at a certain amplitude at each microphone.

Autonomous Sound Finding Robot - [Link]

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