Access overlays: improving non-visual access to large touch screens for blind users

  title={Access overlays: improving non-visual access to large touch screens for blind users},
  author={Shaun K. Kane and Meredith Ringel Morris and Annuska Z. Perkins and Daniel J. Wigdor and Richard E. Ladner and Jacob O. Wobbrock},
Many touch screens remain inaccessible to blind users, and those approaches to providing access that do exist offer minimal support for interacting with large touch screens or spatial data. In this paper, we introduce a set of three software-based access overlays intended to improve the accessibility of large touch screen interfaces, specifically interactive tabletops. Our access overlays are called edge projection, neighborhood browsing, and touch-and-speak. In a user study, 14 blind users… CONTINUE READING
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