ademasi / DOA-Estimation

Direction Of Arrival Estimation recording with array of microphones using Arduino and Python

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DOA-Estimation

In signal processing, direction of arrival denotes the direction from which usually a propagating wave arrives at a point, where usually a set of sensors are located. These set of sensors forms what is called a sensor array. This project aims to estimate DOA of an audio signal.

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Hardware's ensamble is schematized below:

Screen_Shot_2017-12-08_at_22.21.33.png

Testing is performed emitting an audio signal (clap in the example) from various direction:

Screen_Shot_2017-12-08_at_22.21.54.png

Results shows a maximum error of 6°:

Screen_Shot_2017-12-08_at_22.22.24.png

Screen_Shot_2017-12-08_at_22.22.09.png

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Direction Of Arrival Estimation recording with array of microphones using Arduino and Python

License:Apache License 2.0


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Language:Python 49.7%Language:MATLAB 35.5%Language:C++ 14.9%