Previous screen readers provide blind WWW-users only with the textual contents of the web pages, but exclude the access to important information coded in the layout of web pages. The approach we introduce here shall overcome the layout barrier of webpages with the help of three-dimensionally auditory objects ("hearcons") which are positioned in an auditory interaction realm (AIR). The elements of a webpage are reproduced in the AIR by a reference model ("torch metaphor").In a first detailed investigation the tonal qualities of the hearcons and the general design rules of the auditory interaction space have been examined. These results formed the foundation for the construction of an auditory webbrowser. The usability of this auditory webbrowser has been evaluated by a group of blind experts.
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