The peculiar challenges of Chinese Braille

Jessamyn West 5:10 am Sat Jan 30, 2010

The Braille system, in which the characters of a language are represented via the position of dots in a six-dot cell, is called "the world's first binary encoding scheme" for the characters of a language. Though text-to-speech technology enables many blind people to read via computer, Braille is still considered an integral part of literacy for blind people.

Most languages use one cell to represent one language phoneme. All Braille encodings employ the left-to-right evenly spaced cell patterns. Japanese Braille, Korean Braille, and Tibetan Braille (developed in 1992) have reassigned all the Braille blocks to sounds in their own languages. Cantonese and Mandarin Chinese Braille, based on pin-yin, use three characters per syllable: onset, rime and tone. The tone characters are frequently disregarded, creating ambiguity and problems for Chinese Braille students.

See also: Chinese-designed super cool Braille embossing printer/labeler, DotlessBraille for info on open source LaTeX and XML to Braille translation software and a terrific Braille FAQ, Moon Code and an early Braille book burning. [photo of performance art exhibit via impact lab]

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