- X-SAMPA
The Extended Speech Assessment Methods Phonetic Alphabet (X-SAMPA) is a variant of
SAMPA developed in1995 byJohn C. Wells , professor ofphonetics at theUniversity of London . It was designed to unify the individual language SAMPA alphabets, and extend SAMPA to cover the entire range of characters in theInternational Phonetic Alphabet (IPA). The result is a SAMPA-inspired recasting of the IPA into 7-bitASCII .SAMPA was devised as a hack to work around the inability of
text encoding s to represent IPA symbols. However, asUnicode support for IPA symbols becomes more widespread, the necessity for a separate, computer-readable system for representing the IPA in ASCII decreases. On the other hand, X-SAMPA is still useful as the basis for aninput method for true IPA.Summary
Notes
* The IPA symbols that are ordinary lower-case letters have the same value in X-SAMPA as they do in the IPA.
* X-SAMPA uses a following backslash as an escape character to create a new symbol. For example O is a distinct sound from O, to which it bears no relation.
* X-SAMPA diacritics follow the symbols they modify. Except for ~ fornasalization , = for syllabicity, and ` forretroflexion and rhotacization, diacritics are joined to the character with the underscore character _.
* The underscore character is also used to encode the IPA tiebar.
* The numbers _1 to _6 are reserved diacritics as shorthand for language-specific tone numbers.Lowercase symbols
Diacritics
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