This document provides information about English phonetic and phonology. It discusses long vowels, diphthongs, triphthongs and their pronunciation. It also covers voicing, the larynx, respiration, plosives and the distinction between fortis and lenis consonants. Some key points include: - There are 5 long vowels, 8 diphthongs and 5 triphthongs formed by adding /ɚ/ to closing diphthongs. - Plosives have 4 phases of production and English has 6 plosive consonants that differ in voicing and aspiration depending on their position. - Fortis consonants are strongly articulated while lenis consonants are weakly artic