Phonetic transcription is also known as phonetic script . It is the visual representation of speech sounds (or phones). The most common type of phonetic transcription uses a phonetic alphabet, such as the International Phonetic Alphabet.
Phonemic transcription is basically writing words and phrases the way they are pronounced without regard to their orthography. The main purpose for studying phonemic transcription is to find out how much and in what ways phonemic transcription has helped English students in learning pronunciation