1 .What is phonetics? Phonetics is a scientific description of what speech sounds exist in a language. It represents how they are produced and perceived and what acoustic properties they have. Thus, it can be put in the class of natural sciences. Phonetics essentially seeks to trace the processes physiologically involved in sound production. It describes the ways the sounds are produced and the points at which they are articulated. Phonetics is a branch of linguistics that focuses on the production and classification of the world's speech sounds. The production of speech looks at the interaction of different vocal organs, for example the lips, tongue and teeth, to produce particular sounds.