Variations of this technique have been in use for decades.
Commonly known as "Voice Stress Analysis", it supposedly works by detecting changes in timber of a vocal sample based on a users stress level. (More stress = tighter vocal chords = high frequency sample = potential lie)
There have been many studies debunking this technique as well.
Variations of this technique have been in use for decades.
Commonly known as "Voice Stress Analysis", it supposedly works by detecting changes in timber of a vocal sample based on a users stress level. (More stress = tighter vocal chords = high frequency sample = potential lie)
There have been many studies debunking this technique as well.
en.wikipedia.org/wiki/Voice_stress...