Optimizing of virtual reality simulators for spatial hearing research and for development of assistive technologies for the visually impaired

Assoc.-Prof. Dr.-Ing. György WERSÉNYI
Széchenyi István University, Györ, Hungary
Faculty of Engineering Sciences
Department of Telecommunications

Virtual Reality Simulators create a multisensory 3D space for subjects by using visual screens and auditory displays. In this multimedia presence, audio plays a significant role. Users often wear headphones and a virtual sound space is rendered with directional information.
In order to achieve this, psychoacoustic measurements, implementation of digital filters, subjective listening tests etc. are required. The whole process raises several problems, so information technology and engineering solutions may help reducing errors, inconvenience or even price.
Besides basic research questions about the human spatial hearing, measurement and playback systems support the development of assistive applications, devices mostly focused on people with disabilities, such as rehabilitation, sports or the community of the visually impaired.

György Wersényi was born in Györ, Hungary, in 1975. He received the M.Sc. degree in electrical engineering from the Technical University of Budapest, Hungary, in 1998 and the Ph.D. degree from the Brandenburgische Technische Universitat (BTU) Cottbus, Germany, in 2002. He has been a member of the Department of Telecommunications at the Szechenyi Istvan University, Hungary, since 2002.
He is an associate professor at the field of telecommunications, audio and video broadcast, and electroacoustics. His current research includes spatial hearing, listening tests, virtual audio displays, acoustic measurement, and dummy-head techniques.
Dr. Wersenyi is a member of the Audio Engineering Society, the Hungarian Telecommunication Society, and board member of the International Community for Auditory Display (ICAD).

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