New trends in non-visual interaction-sonification of maps

Authors:
Vidas Lauruska
Affiliations:
Siauliai University, Siauliai, Lithuania
Venue:
UAHCI'11 Proceedings of the 6th international conference on Universal access in human-computer interaction: users diversity - Volume Part II
Year:
2011

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Abstract

An inexpensive sonification system of maps and charts for visually impaired is described. A digitiser (tablet) is used as system's input device, which helps to investigate the map. The maps are presented using xml technology - mainly svg language tags. Then the maps from svg are converted to RGB bitmap. A system software is based on Microsoft .NET technology. Free Microsoft development systems as Visual C# 2008 Express Edition and Direct Sound are used to implement sonification system.