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Kinect for Windows SDK Programming Guide by Abhijit Jana

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Sound source localization

The fundamentals of sound source localization are based on identifying the sound source angle and the beam angle, and the response to the changes as well.

Sound source angle

The source angle is the range area that Kinect can listen to and it's valid from +50 to -50 radians. The KinectAudioSource class has the SoundSourceAngle property, which returns the current source angle.

Note

Once we start the Kinect audio source, the SoundSourceAngle property starts updating automatically.

The Kinect source angle is calculated based on the current Kinect camera coordinates, where the x and y axes define the horizontal plane.

Sound source angle

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