Emmanuel Ayedoun

From Wizard-of-Oz to Autonomous: A Hybrid Rule and LLM Backchannel Architecture for a Silent Listening Agent

We present a working autonomous system that replaces the human wizard in a previously validated listening-agent architecture for second-language (L2) production support. The system streams learner speech through cloud ASR and runs two parallel rule-based policies, one for content-driven facial affect and one for rhythm...