GestureCoach: Rehearsing for Engaging Talks with LLM-Driven Gesture Recommendations

Rehearse 3/10Why are we here, why are we alive?One key reason is that our ancestors on the savannas of Africa were really good at one thing…They weren't bigger than the animals they took down a lot of the time, they weren't faster than the animals they took down a lot of the time, but they were much better at banding together into groups and cooperating.…One key reason… Proactive Gesture Cues Current Slide Hover to Preview and Modify Gestures Presenter Notes with Gesture highlights Edit DeleteWhy were humans at hunting ?• Not bigger or faster than animals • Good at cooperationFigure 1: GestureCoach guides speakers to perform gestures while rehearsing their talk.A gesture recommendation model predicts text segments in the presenter notes that should be emphasized with gestures and retrieves relevant semantic gestures for each segment.During rehearsal, the system highlights the segments and proactively cues a video clip of the gesture by tracking users' speech, allowing them to integrate the gesture smoothly into their talk.Hovering over a segment allows users to preview and modify the associated gesture with alternate suggestions from the model.