This is made for students for speech sounds. Phonetics is the study and classification of spèech sounds. This course is made for children as well as adults.

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.

For children:

Phonics is a method of teaching children to read by linking sounds (phonemes) and the symbols that represent them (graphemes, or letter groups). Phonics is the learning-to-read method used in primary schools in the UK today.

For adults:

One can go for teacher's training course or simply to learn the pronunciation.