The design of auditory user interfaces for blind users
Proceedings of the second Nordic conference on Human-computer interaction
Interactive Sonification of Choropleth Maps
IEEE MultiMedia
Interactive 3D sonification for the exploration of city maps
Proceedings of the 4th Nordic conference on Human-computer interaction: changing roles
Aurally and visually enhanced audio search with soundtorch
CHI '09 Extended Abstracts on Human Factors in Computing Systems
Tangible user interface for the exploration of auditory city maps
HAID'07 Proceedings of the 2nd international conference on Haptic and audio interaction design
Making digital maps accessible using vibrations
ICCHP'10 Proceedings of the 12th international conference on Computers helping people with special needs: Part I
A zero-vision music recording paradigm for visually impaired people
Multimedia Tools and Applications
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City maps are an important means to get an impression of the structure of cities. They represent visual abstraction of urban areas with different geographic entities, their locations, and spatial relations. However, this information is not sufficiently accessible today to blind and visually impaired people. To provide a non-visual access to map information, we developed an interactive auditory city map, which uses 3D non-speech sound to convey the position, shape, and type of geographic objects. For the interactive exploration of the auditory map, we designed a virtual walk-through. This allows the user to gain an overview of an area. To be able to focus on certain regions of the map, we equip the user with an auditory torch. With the auditory torch users can change the number of displayed objects in a self directed way. To further aid in getting a global idea of the displayed area we additionally introduce a bird's eye view on the auditory map. Our evaluation shows that our approaches enable the user to gain an understanding of the explored environment.