Pitch Change and Vocal Register

The muscle needed to raise pitch

cricothyroid

cricothyroid is innervated by

superior laryngeal nerve (branch of CN X)

When pitch is raised, vocal folds are

long, thin, and tense

Increasing pitch requires

higher glottal airflow rate

Glottal fry

is typically lower pitch than modal but can overlap

Modal register

often register for conversational speech