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Braille ASCII (or more formally The North American Braille ASCII Code, also known as SimBraille) is a subset of the ASCII character set which uses 64 of the printable ASCII characters to represent all possible dot combinations in six-dot braille. It was developed around 1969 and, despite originally being known as North American Braille ASCII ...
English Braille, also known as Grade 2 Braille, [1] is the braille alphabet used for English. It consists of around 250 letters , numerals, punctuation, formatting marks, contractions, and abbreviations . Some English Braille letters, such as ⠡ ch , [2] correspond to more than one letter in print.
Unlike print, which consists of mostly arbitrary symbols, the braille alphabet follows a logical sequence. The first ten letters of the alphabet, a–j, use the upper four dot positions: ⠁ ⠃ ⠉ ⠙ ⠑ ⠋ ⠛ ⠓ ⠊ ⠚ (black dots in the table below).
In themselves, braille letters do not belong to any print script, but constitute a distinct braille script. The same braille letter can be used to transcribe multiple scripts, e.g. Latin, Cyrillic, Greek and even elements of Chinese characters, as well as digits.
In all braille systems, the braille pattern dots-0 is used to represent a space or the lack of content. [1] In particular some fonts display the character as a fixed-width blank. However, the Unicode standard explicitly states that it does not act as a space, [2] a statement added in response to a comment that it should be treated as a space. [3]
Unified English Braille is designed to be readily understood by people familiar with the literary braille (used in standard prose writing), while also including support for specialized math and science symbols, computer-related symbols (the @ sign [1] as well as more specialised programming-language syntax), foreign alphabets, and visual ...
Lego is selling Lego Braille Bricks to families after offering the product to schools that educate blind children. It helps blind children learn the code.
IPA Braille is the modern standard Braille encoding of the International Phonetic Alphabet (IPA), as recognized by the International Council on English Braille. A braille version of the IPA was first created by Merrick and Potthoff in 1934, and published in London. It was used in France, Germany, and anglophone countries.