biometric identification by electronically recording and graphically representing a person's voice; "voiceprints are uniquely characteristic of individual speakers"

The chart in the Exercise for Language Skill D: Speaking that shows pitch, form, and tone of speech. The top section displays the pitch, form, and tone of the native speaker. The bottom section displays those of the student's recorded speech.

An audio signature of a person in digital form, useful for allowing a computer system to recognize a person's voice commands.

A unique audio pattern that is created by the sound of the person's voice. Like a thumbprint, this can be used to identify individuals. It can replace the need for a user ID and PIN when trying to access secure areas of the voice application.