How Your Voice Reveals Emotion, Deception, and Intent | Rana Gujral, former CEO, Behavioral Signals

Rana Gujral is the former CEO of Behavioral Signals and the author of the upcoming book The AI Instinct. During his time leading Behavioral Signals, Rana has led a company built on a contrarian bet: that the words in a conversation are the least interesting part of it, and that the real signal, intent, trust, stress, deception, lives in how something is said rather than what is said. His team has mapped roughly 75 to 100 behavioral dimensions in the human voice, work that now powers everything from deepfake detection for government agencies to a matching system that pairs call center customers with the agents they are most likely to have a natural, flowing conversation with.

Liam and Rana dig into the unconscious vocal tells we all give off, why pitch compression, not raised volume, is the real signature of suppressed stress, and how studying voice for eight years changed the way Rana himself talks and listens. They also get into the ethics of emotion AI, including why the EU has banned it from workplaces, and the central idea behind Rana's book: that large language models are missing an entire axis called experience. Rana introduces his concept of Artificial General Experience, or AGE, and makes the case that the real fork in the road for AI isn't intelligence versus replacement, it's whether these systems make us more ourselves or less.

Key Topics Covered

Why Behavioral Signals bet on voice as a behavioral signal instead of a language signal

The 75 to 100 dimensions of emotion, intent, and cognitive state hidden in a voice

How deepfake detection works when a synthetic voice is good enough to fool a mother

Surprising commercial uses of voice AI in marketing, call centers, and fraud detection

The science of compatibility: why some conversations click and others feel like effort

What 8 years of studying voice changed about how Rana communicates

The unconscious vocal tells that give away hesitation and suppressed stress

Why the EU banned emotion AI in workplaces, and where Rana draws his own ethical line

The idea behind Rana's book, The AI Instinct, and why AGI is the wrong question to ask