Access to the written word for the visually disadvantaged: diversity and complementarity of aids and uses
The challenge taken up to provide access to the written word for the visually disadvantaged is the origin of a rich history of major inventions and the sum of extraordinary discoveries. From Braille to vocal synthesis, the techniques perfected respond to the specific needs of categories of readers or are linked to needs in specific contexts. This huge diversity of uses is accompanied by a complementarity of aids.
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