English is a communicative language in an era of the availability
of immense information and advanced technology. English is called a
global language . Thai learners’ TOEFL scores are significantly lower
than the scores of learners from other Asian counties. There are two
main areas of pronunciation teaching and learning: segmentals and
suprasegmentals. Segmental refers to the individual sounds and
suprasegmental refers to rhythm, stress, prominence and intonation.