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Ultrasonic Waves to Support Human Echolocation

: Zabiensky, F. von; Kreutzer, M.; Bienhaus, D.


Antona, M.:
Universal access in human-computer interaction. 12th international conference, UAHCI 2018. Proceedings. Pt.I : Held as Part of HCI International 2018, Las Vegas, NV, USA, July 15-20, 2018
Cham: Springer International Publishing, 2018 (Lecture Notes in Computer Science 10907)
ISBN: 978-3-319-92048-1 (Print)
ISBN: 978-3-319-92049-8 (Online)
International Conference on Universal Access in Human-Computer Interaction (UAHCI) <12, 2018, Las Vegas/Nev.>
International Conference on Human-Computer Interaction (HCI International) <20, 2018, Las Vegas/Nev.>
Conference Paper
Fraunhofer SIT ()

In this paper a new device and methods to get an acoustic image of the environment is proposed. It can be used as an electronic aid for people who are visual impaired or blind. The paper presents current methods on human echolocation and current research in electronic aids. It also describes the technical basics and implementation of the audible high resolution ultrasonic sonar followed by a first evaluation of the device. The paper concludes with a discussion and a comparison to classical methods on active human echolocation.