Phonology: Analyzing the Sounds of Language. Introduction to Articulatory Phonetics: Vowels. Types of Phonemes. Phonologists distinguish between three main categories of phonemes: consonants, vowels , and diphthongs.
Introduction to ArticulatoryPhonetics: Vowels
In a diphthong, the vowel sound begins at one position and “glides” to another position.
You can actually feel your jaw move as you make the sound.
eye; out; boy