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X-SAMPA [ ˈɛksˌsæmpə ] (Abbreviation for Extended Speech Assessment Methods Phonetic Alphabet [ ɪkˈstɛndɪd spiːtʃ əˈsɛsmənt ˌmɛθədz fəʊˈnɛtɪk ˈælfəbɛt ]) is a further development of SAMPA , a phonetic alphabet that can be represented by 7-bit ASCII . X-SAMPA was developed in 1995 by the British phonetician John C. Wells in order to bring the different SAMPA variants for different languages ​​to a common denominator, as well as to be able to represent all characters that occur in the International Phonetic Alphabet . Despite the spread of Unicode for the purpose of creating and archiving print products, X-SAMPA is increasingly being used in phonetic and language technology contexts around the world, especially when it comes to the automatic processing of large amounts of transcriptions in local languages ​​for statistical purposes, speech input / output To develop systems and to create lexicographic databases.


Complete definitions and application examples of SAMPA and X-SAMPA can be found in the following manuals:

  • Gibbon, Dafydd, Roger Moore and Richard Winski (Eds.): Handbook of Standards and Resources for Spoken Language Systems. Mouton de Gruyter, Berlin 1997
  • Gibbon, Dafydd, Inge Mertins and Roger Moore (Eds.): Handbook of Multimodal and Spoken Language Systems: Resources, Terminology and Product Evaluation. Kluwer Academic Publishers, Boston, etc. 2000

Web links

Commons : X-SAMPA  - album with pictures, videos and audio files