difference between a vowel and a consonant in a phonetic perspective
Articulation: Vowels and Consonants. 1. Vowels and Consonants. Phonetically, it is easy to give definitions: a vowel is any sound with no audible noise produced by constriction in the vocal tract, and consonant is a sound with audible noise produced by a constriction. However, this definition forces us to identify as vowels many sounds which function as consonants in speech. For example, in the English word yes, the initial [j] is phonetically a vowel according to the definition above.