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• Tapulator: A Non-Visual Calculator Using Natural Prefix-Free Codes

  Vaspol Ruamviboonsuk, Shiri Azenkot, Richard E. Ladner · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2012)

  This demonstration paper presents the Tapulator, a non-visual calculator for smartphones that replaces traditional on-screen buttons with a simple gesture-based numeric entry system using multi-finger taps and swipes. The core innovation is a natural prefix-free code for…

  blindness · low vision · touchscreen accessibility · screen reader · gesture input

• Task Analysis for Sonification Applications Usability Evaluation

  Ag Asri Ag Ibrahim · 2006 · Proceedings of the 8th International ACM SIGACCESS Conference on Computers and Accessibility (Assets '06)

  This poster paper from University Malaysia Sabah and the University of York proposes a task analysis framework for evaluating the usability of sonification applications — software that transforms data into sound representations. The author argues that while usability evaluation…

  sonification · task analysis · usability inspection · auditory display · accessibility evaluation

• Automatic impact sound generation for using in nonvisual interfaces

  A. Darvishi, E. Munteanu, V. Guggiana, H. Schauer, M. Motavalli, M. Rauterberg · 1994 · Proceedings of the First Annual ACM Conference on Assistive Technologies (Assets '94)

  This paper describes a joint research project between the University of Zurich and the Swiss Federal Institute of Technology (ETH) aimed at developing an audio framework for non-visual interfaces based on physically modeled impact sounds. Rather than using arbitrary audio cues…

  sonification · auditory display · non-visual interface · physical modeling · sound synthesis

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