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Vietnamese Braille is the braille alphabet used for the Vietnamese language. It is very close to French Braille (and thus to a lesser degree to English Braille), but with the addition of tone letters. Vietnamese Braille is known in Vietnamese as chữ nổi, literally "raised letters", while electronic braille displays are called màn hình ...
Braille tiếng Việt. Hệ thống chữ nổi tiếng Việt hay chữ Braille tiếng Việt là hệ chữ Braille được dùng trong tiếng Việt dành cho người khiếm thị, dựa trên chữ Braille tiếng Pháp. Một số chữ không có trong tiếng Việt đã được Việt hóa sang các chữ Việt. Chữ ư và ơ ...
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Braille ( / breɪl / BRAYL, French: [bʁɑj]) is a tactile writing system used by people who are visually impaired. It can be read either on embossed paper or by using refreshable braille displays that connect to computers and smartphone devices. Braille can be written using a slate and stylus, a braille writer, an electronic braille notetaker ...
- Numerical Order
- Unification of 1878
- Congress of 1929
- Congresses of 1950–1951
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Braille arranged his characters in decades (groups of ten), and assigned the 25 letters of the French alphabet to them in order. The characters beyond the first 25 are the principal source of variation today. In the first decade, only the top four dots are used; the two supplementary characters have dots only on the right. These patterns are repeat...
Braille is in its origin a numeric code. Louis Braille applied the characters in numerical order to the French alphabet in alphabetical order. As braille spread to other languages, the numeric order was retained and applied to the local script. Therefore, where the alphabetical order differed from that of French, the new braille alphabet would be i...
In 1929 in Paris, the American Foundation for Overseas Blind sponsored a conference on harmonizing braille among languages which use the Latin script, which had diverged in the previous decades.
When additional letters are needed for a new braille alphabet, several remedies are used. 1. They may be borrowed from an existing alphabet; French–German ⠜ ä, ⠪ ö, and ⠳ ü, for example, are widely used where a language had need of a second a-, o-, or u-vowel. Likewise, the values of English contracted ("Grade 2") ⠡ ch, ⠩ sh, and ⠹ thare widely use...
"World Braille Usage" (2nd ed.). UNESCO. 1990. Retrieved 2012-04-19.{{cite web}}: CS1 maint: url-status (link)Vietnamese Braille is the braille alphabet used for the Vietnamese language. It is very close to French Braille (and thus to a lesser degree to English Braille), but with the addition of tone letters. Vietnamese Braille is known in Vietnamese as chữ nổi, literally "raised letters", while electronic braille displays are called màn hình chữ nổi.
Louis Braille is the inventor of the braille code. He was born on January 4, 1809, in Coupvray, France. At the age of 3, while playing in his father's shop, Louis injured his eye on a sharp tool. Despite the best care available at the time, infection set in and soon spread to the other eye, leaving him completely blind.
Vietnamese Braille is the braille alphabet used for the Vietnamese language. It is very close to French Braille (and thus to a lesser degree to English Braille), but with the addition of tone letters. Vietnamese Braille is known in Vietnamese as chữ nổi, literally "raised letters", while electronic braille displays are called màn hình ...
