Meta Voice Emotion Tracking Patent 2026: Is Your Phone Listening to How You Feel?
In June 2026, a patent filed by Meta Platforms Inc. surfaced on the USPTO database — and r/privacy lit up with 486 upvotes within hours. The patent describes a system that analyzes voice characteristics captured through device microphones to infer a speaker’s emotional state. The accompanying diagrams show microphones on smartphones, smart speakers, and vehicle infotainment systems feeding voice data into a machine learning pipeline that classifies emotions across axes of valence, arousal, and dominance. ...