Physical Sciences and Mathematics Commons^™

Emotion Authentication: A Method For Voice Integrity Checking, C. Reynolds, L. Vasiu, M. Smith

The ITB Journal

When people communicate with telephone type systems, it is often assumed that the listener would notice any modification of the speaker's voice. It is possible however to introduce small changes that would not be noticed by a listener but could modify the reading of a Voice Stress Analyser, popularly referred to as a lie detector. Existing approaches to checking the integrity of voice require significant amounts of processing or are able to detect only non-subtle modification such as change of speaker. With the advent of real time voice modification using software and hardware based signal processing, we argue that it …