Passive Voice Liveness Detection

How do you detect a fake voice?

As with other biometrics, you can use either active or passive voice liveness detection.

Daon describes the latter:

“Unlike active liveness, which asks the user to complete an action (like…saying a phrase), passive liveness analyzes the content of a user’s…voice biometric input via AI neural networks that assess elements like…audio artifacts, and…the pitch, tone, and cadence of the user’s voice….”