X-SAMPA


X-SAMPA

The Extended Speech Assessment Methods Phonetic Alphabet (X-SAMPA) is a variant of SAMPA developed in 1995 by John C. Wells, professor of phonetics at the University of London. It was designed to unify the individual language SAMPA alphabets, and extend SAMPA to cover the entire range of characters in the International Phonetic Alphabet (IPA). The result is a SAMPA-inspired recasting of the IPA into 7-bit ASCII.

SAMPA was devised as a hack to work around the inability of text encodings to represent IPA symbols. However, as Unicode 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 an input 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 ~ for nasalization, = for syllabicity, and ` for retroflexion 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

]


Mu


IY
U


e2

@8

7o


E9

33

VO


a&

AQ

-
style="height:30px; font-size:smaller; text-align:right;" | Near‑close
-
style="height:30px; font-size:smaller; text-align:right;" | Close‑mid
-
style="height:30px; font-size:smaller; text-align:right;" | Mid
-
style="height:30px; font-size:smaller; text-align:right;" | Open‑mid
-
style="height:30px; font-size:smaller; text-align:right;" | Near‑open
-
style="height:30px; font-size:smaller; text-align:right;" | Open

ee also

* International Phonetic Alphabet (IPA)
* International Phonetic Alphabet for English
* SAMPA, a language-specific predecessor of X-SAMPA.
* CXS, an unofficial, extended version of X-SAMPA used for language construction
* SAMPA chart for English
* Kirshenbaum and WorldBet, similar systems.
* List of phonetics topics

References

External links

* [http://www.phon.ucl.ac.uk/home/sampa/x-sampa.htm Computer-coding the IPA: A proposed extension of SAMPA]
* [http://www.theiling.de/ipa/ Online converter between IPA and X-Sampa]
* [http://www.let.rug.nl/~kleiweg/xsampa/ Web-based translator for X-SAMPA documents.] Produces Unicode text, XML text, PostScript, PDF, or LaTeX TIPA.

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