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Finnish Trial For Touch-Screen Braille On Mobiles

A method for presenting Braille characters as a sequence of strong and weak pulses on the touch-screen of a mobile device has been developed by a research team at the University of Tampere in Finland.

The most successful method tested by the team involved sending sequences of pulses about a third of a second apart to a single point of the screen of a Nokia 770 Internet Tablet. Almost all participants could accurately recognise individual characters sent in this way, though faster speeds reduced the recognition rate.

Further studies are needed to evaluate how well people can recognise a series of multiple characters forming words, the team says. The full research paper is available from the international technology standards and research organisation IEEE at a cost of 29 US Dollars:
http://ieeexplore.ieee.org/search/wrapper.jsp?arnumber=4760140

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