Best expression analysis AI tools

Hume AI is a research lab and technology company that provides empathic AI tools. It features the world's most realistic voice AI, including an advanced Text-to-Speech (TTS) engine, a Speech-to-Speech (EVI) model, and an Expression Measurement API. These tools allow developers and creators to build emotionally intelligent applications, generate expressive voices with nuanced control, and analyze human emotion from text, audio, and video.