• Effects of auditory feedback on multitap text input using standard telephone keypad 

      Ronkainen, S.; Marila, J. (Georgia Institute of TechnologyInternational Community on Auditory Display, 2002-07)
      Text input in mobile devices is becoming even more important with the increasing amount of text-based services such as mobile email. The keypad input of small mobile devices could benefit from well designed auditory feedback. ...