1)General phonetics-Which studies the human sound-producing possibilities the functioning of his speech mechanism and and the ways they are used in all languages to pronounce speech sound syllables , stress and intonation
2)Descriptive phonetics-studies the phonetic system of certain language
3)Historical and Diachronic phonetics-Which studies the changes a sound under goes in the development of a language or language.
4)Comparative –typological phonetics-Studies the phonetic features of two or more language of different systems.
5)General phonetics-Studies the complex nature of phonetic phenomena and formulates phonetic laws and principles.
6) Special phoneticsconcerned with the phonetic structure of a particular language.