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An Optical System to Track Azimuth Head Rotations for Use in Binaural Listening Tests of Automotive Audio Systems

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Binaural technology is used to capture elements of an automotive audio system and reproduce them over headphones. This requires the tracking of azimuth head rotations of listening test participants in order to assist source localisation. The parameters and faults of the currently implemented system are discussed and a new method of tracking azimuth head rotations is described. The system is tested, implemented and found to have an error within 0.26o. The potential for its further development, and the development of the field is discussed.

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AES - Audio Engineering Society