Speech Disorder – A speech disorder is an impairment of the articulation of speech sounds, fluency, and/or voice.

Fluency disorder an interruption in the flow or rhythm of speech characterized by hesitations, repetitions, or prolongations of nouns, syllables, words, or phrases.

Articulation disorder – difficulties with the way sounds are formed and strung together, usually characterized by substituting one sound for another (wabbit for rabbit), omitting a sound (han for hand), and distorting a sound (ship for sip).

Voice disorder characterized by inappropriate pitch (too high, too low, never changing, or interrupted by breaks); quality (harsh, hoarse, breathy, or nasal); loudness, resonance, and duration