Persona Chat System

Overview

Developed a conversational AI system with configurable personas and persistent memory.

Responsibilities

• Designed persona-driven prompt templates
• Implemented chat memory with summarization
• Integrated voice interaction (STT + TTS)

Approach

• Prompt engineering for persona behavior
• Chat history summarization
• Multimodal interaction

Architecture

flowchart LR
    A[User Input] --> B[Whisper STT]
    B --> C[Prompt + Persona]
    C --> D[LLM]
    D --> E[Response]
    E --> F[TTS]

    C --> G[Memory Update]
    G --> C

Tech

OpenAI · Whisper · ElevenLabs · HuggingFace

Impact

• Created human-like conversational agents
• Enabled persistent personality and context
• Demonstrated multimodal AI interaction