Sound is produced at the glottis by the vibration of the vocal folds. Some sounds are differentiated by voicing alone. These are called cognate pairs. It is important to understand the active process of either adducting or abducting the folds. Plosive release followed by air flow through glottis.
Most consonants are obstruents.
Characteristic of first member of pair described. Brief descriptions-see book for more details. Obstruction anterior to production of 'sh'. The characteristics of sounds that will be used in learning the sounds of the English language. Introducing the sound - general description 2.