In 1886, a group of French and English language teachers, led by the French linguist Paul Passy, formed what would be known from 1897 onwards as the International … See more

The International Phonetic Alphabet is occasionally modified by the Association. After each modification, the Association provides an updated simplified presentation of the alphabet in the form of a chart. (See History of the IPA.) Not all aspects of the … See more

A number of IPA letters are not consistently used for their official values. A distinction between voiced fricatives and approximants is only partially implemented by the IPA, for example. Even with the relatively recent addition of the palatal fricative ⟨ʝ⟩ and the … See more

The general principle of the IPA is to provide one letter for each distinctive sound (speech segment). This means that:
• It does not normally use combinations of letters to represent single sounds, the way English does with … See more

Of more than 160 IPA symbols, relatively few will be used to transcribe speech in any one language, with various levels of precision. A precise phonetic transcription, in which sounds are specified in detail, is known as a narrow transcription. A coarser transcription with … See more

The International Phonetic Association organizes the letters of the IPA into three categories: pulmonic consonants, non-pulmonic consonants, and vowels.
Pulmonic consonant … See more

Diacritics are used for phonetic detail. They are added to IPA letters to indicate a modification or specification of that letter's normal pronunciation. See more