About This Site
Browser-based AI public speaking coach using photorealistic 3D environments. Stageum is a browser-based AI public speaking training platform that allows users to practice presentations in photorealistic 3D environments without needing a VR headset. It uses advanced WebGL and WebGPU technologies to simulate real-world spaces like boardrooms, auditoriums, and classrooms, featuring realistic virtual audiences that react to the speaker in real-time. By utilizing the user's webcam and microphone, Stageum's AI analyzes speech patterns, body language, and gaze to provide instant, actionable feedback on filler words, pacing, eye contact, and vocal confidence. It also supports slide presentations and tracks detailed progress metrics securely over time.
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Key Features AI
Core Features
Photorealistic 3D environments using WebGL/WebGPU with adjustable audience sizes
Real-time AI analysis of filler words, speaking pace, vocal variety, and eye contact
On-device privacy-first real-time data processing with encrypted cloud storage for reviews
Support for presentation slide uploads (PowerPoint, PDF, Keynote) on virtual screens
Customizable interactive 3D audiences that react behaviorally to simulate real-world pressure
Comprehensive session history and progress tracking with detailed metrics over time
Advantages
No expensive VR headset hardware or desktop app installation required
Fast 10-second setup directly from any modern web browser
Real-time AI feedback on both visual body language and spoken delivery metrics
Privacy-first architecture ensures raw webcam feeds stay on your device during practice
Simulates real public speaking pressure better than practicing in front of a mirror
缺点：Free tier is limited to 3 sessions per month and 10 minutes maximum duration per session
缺点：Lacks the full 360-degree head tracking experience of standard hardware VR headset apps
缺点：Advanced AI analytics, progress history, and some environments are locked behind paid tiers
缺点：Watermark present on video recordings under the free plan
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