Voiceprint (noun)

A representation of a person's voice, often used for identification or verification purposes.

Origin:

A blend of voice and print, first recorded in 1960s.

Examples:

1. The voiceprint analysis revealed that the person on the recording was indeed the prime suspect.
2. You can use your voiceprint to unlock your phone with the new bio-metric technology.
3. The voiceprint identification system is able to recognize a person's voice with high accuracy.
4. Voiceprint technology is now used in many call centers for customer identification.
5. The voiceprint of the caller matched the one on file, confirming the identity of the speaker.