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Apr 17, 2018 · At first, the Vietnamese Braille letter "đ" was written as "d" in the Latin Braille (dots 145) and the letter "d" was written as "z" in the Latin Braille (dots 1356). However, these rules were changed later to avoid conflicts with the Latin Braille, which means putting back the "d" and "z" to their original places and creating a new code for ...
Vietnamese Braille Specifications and Guidelines Rules and Guidelines for Vietnamese Braille. by: Sao Mai Center for the Blind; published: 2018; language: English: English
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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 ...
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1 . EA 032 Building a costeffective Braille book production System in Vietnam . Nguyen Van Khoa Lecturer Department of Special Educational Pedagogical University of Ho Chi Minh City 280 An Duong Vuong Street, District 5, HCM City Vietnam +84 8 8335579 khoa_ngv@yahoo.com 1. Current status of Braille book production for the visually impaired in ...
Section 3.2 of Specification 800 (Braille Books and Pamphlets) February 2008 reads as follows: Size and Spacing. 3.2.1 The nominal height of braille dots shall be 0.019 inches [0.48 mm] and shall be uniform within any given transcription. 3.2.2 The nominal base diameter of braille dots shall be 0.057 inches [1.44 mm].
The braille system has succeeded because it is based on a rational sequence of signs devised for the fingertips, rather than imitating signs devised for the eyes. In addition, braille can be written by blind people and used for any notation that follows an accepted sequence, such as numerals, musical notes, or chemical tables.
