# Persona Lab

- **Event:** [Meta Global AI Developer Hackathon](https://cerebralvalley.ai/e/meta-ai-developer-hackathon)
- **When:** Oct 26, 12:00 PM – Nov 4, 9:00 PM (EST)
- **Where:** Online
- **Team:** [Kranthi Kumar Kukkala](https://cerebralvalley.ai/u/KranthiKumar)
- **GitHub:** https://github.com/kranthikumark/Persona-Lab
- **Demo video:** https://youtu.be/NVuuef-5uFs
- **Gallery:** https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery
- **Page:** https://cerebralvalley.ai/e/meta-ai-developer-hackathon/hackathon/gallery/3579

PERSONA LAB — Practice Life Before It Happens

Persona Lab is an AI-powered communication practice, adaptive rehearsal, and decision-learning platform that helps people prepare for life's challenging moments before facing them in the real world.

 The Problem

Millions of students, job seekers, professionals, and individuals struggle with public speaking, interviews, presentations, and difficult conversations. Traditional training lacks personalized feedback, realistic practice, and opportunities to learn safely from mistakes.

People often discover their weaknesses during important real-life situations, when mistakes can affect their confidence, careers, and opportunities.

 The Solution

Persona Lab provides an interactive AI environment where users rehearse real-world situations with intelligent fictional characters, receive personalized feedback, explore alternative decisions, and improve through repeated practice.

Powered by Meta Muse Spark 1.3 and Meta Muse Voice Transcribe, the platform supports contextual conversations, voice practice, and speech transcription. Simli adds interactive talking avatars.

 Key Features

1. Real-Life Rehearsals: Practise speeches, interviews, presentations, customer interactions, and difficult conversations.

2. AI Characters: Intelligent characters respond contextually, ask questions, challenge assumptions, and adapt to conversation states.

3. Adaptive Practice: Simulated audiences and difficulty levels help users progressively develop communication skills.

4. Speech Coaching: Actionable feedback helps users improve clarity, structure, responses, and supported speaking metrics.

5. Decision Replay: Rewind conversations, try alternative responses, and compare simulated outcomes.

6. Evidence-Based Feedback: Report cards highlight strengths, mistakes, supporting evidence, and improvement recommendations.

7. Personal Growth: Track practice history, learning goals, performance, and self-reported confidence.

8. Multilingual Support: English, Hindi, and Telugu practice.

9. Personal & Team Editions: Individuals practise independently, while organizations manage training, assignments, and learner progress.

 How It Works

Choose → Practise → Get Challenged → Review → Retry → Improve

For example, a student preparing for a school speech can rehearse privately, answer AI-generated audience questions, receive feedback, and retry difficult sections before speaking on stage.

 Technology & Innovation

Persona Lab combines Meta AI with six core engines: Scenario Engine, AI Character Engine, State Engine, Decision Timeline, Counterfactual Replay, and Evaluation Engine.

Unlike basic chatbots, Persona Lab maintains simulated states, records decisions, enables alternative conversation paths, and connects feedback.

 Vision

To make personalized communication practice accessible to everyone, helping people build skills and face important real-life moments better prepared.

Persona Lab — Practice Life Before It Happens.

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