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Project title: Real-Time Voice Interaction Web App with Custom AI Model
Posted by: External project from PeoplePerHour
Started: 11-Aug-2025 04:41 GMT
Description: I need a developer to build a browser-based application that enables natural, real-time, two-way voice conversations between a user and an AI model. The application should be lightweight, embeddable into an existing website, and have the following capabilities:

Core Features:
1. Live Two-Way Audio
• User clicks a “Start Conversation” button to initiate a voice session.
• AI and user can speak back and forth with minimal latency.
• AI can respond while the user is speaking (interruptions allowed).

2. Streaming Speech-to-Text & Text-to-Speech
• User’s voice is continuously transcribed in real time.
• AI responses are converted to natural-sounding speech and played instantly.

3. Custom AI Model & Knowledge Base
• The AI will be fine-tuned or configured to follow a specific role/persona and to operate within a defined knowledge base.
• This role/persona will be predefined but should be easy to adjust in the code.

4. User-Uploaded Documents for Context
• Users can upload documents (PDF, Word, or text) before or during the session.
• The AI should be able to reference and incorporate this content dynamically into the conversation.
• Uploaded files should be processed so the AI can search and quote relevant sections when replying.

5. Embeddable UI
• Simple, single-screen interface with:
• “Start Conversation” / “End Conversation” controls
• Optional transcript display of the conversation
• File upload area for session-specific documents
• Minimal styling but easy to theme for my brand.

6. Optional Data Passing
• Ability to load additional text/data into the AI’s context before the session starts.

Technical Requirements:
• Must use OpenAI’s Realtime API (or similar low-latency LLM service) for voice streaming.
• Browser-based microphone access via WebRTC (or equivalent).
• Clean, well-commented HTML/JavaScript (or minimal React) that can be embedded into a Wix site.
• Clear instructions for changing system prompt, voice, and any AI settings.

Deliverables:
• Fully functional prototype that runs in Chrome and Edge without extra installs.
• Code files and documentation for setup and configuration.

Nice-to-Have (future scope, not required now):
• Session recording and playback
• Multiple AI personas selectable at start
• Visual indicators when AI is listening or speaking

This is a short project — I’m looking for a working prototype ready for testing within a week.
Project ID: 3444583
Project category:
Project budget:
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