History of the English Phonetic Association
IPA symbols
107 consonants and vowels
31 diacritics
19 additional signs
Brackets and Phonemes
[ Square brackets] are used for phonetics details of the pronuntiation
/slashes/ are used to mark off phonemes
The Sounds of English: Phonetic Chart
Foundation
1886
Group of French and British languaje teachers
French linguist Paul Passy
IPA Revisions
The alphabet was revised so as to be uniform across languages in 1888
The IPA convention Kiel in 1989
Addition of four letters in 1993
The alphabet was last revised in 2005
General principle of teh IPA
Provide one letter for each distinctive sound
Speech segment