Final answer:
Stridor is the high-pitched inspiratory noise associated with laryngeal edema or constriction.
Step-by-step explanation:
The high-pitched inspiratory noise associated with laryngeal edema or constriction is called stridor. Stridor is a characteristic sound that is heard when there is narrowing or obstruction in the upper airway, specifically the larynx. It is commonly heard in conditions such as croup or epiglottitis, where there is inflammation and swelling of the larynx.