History of the English
Phonetic Asociation

1987 -Formation if IPA

1888-The IPA is revised

1900 & 1932- Great Revisions

1989- IPA Kiel Convention

1900- Extension to the IPA

1993-Addition and removal letters

1994-Adoptes extensions

2005-Letter labiodental

Derived

Inspirated

Sistemiticy

Retroflex

Implosion

Nasal

Sounds

Hard

Non-Silent

Unaspirated

Voiceless

Vowels

Symbols

Capital lettes

Diacritic

Cursive form

Rotation

107 letters represent consonats and vowels:
31 diacritics are use to modify them
19 aditional signs indicate suprasegmentak qualities as length, tone,stress and information.

Brackets

Square brackets

Slashes

Double slashes

Angle brackets

Phonemes

Narrow description

Briad transcription

It used for phonetic details of pronunciation