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3D Chatbot Features

Product: 3D Avatar Chatbot
Type: Flagship premium offering
Target Users: Enterprise customers, premium subscribers
Business Value: Highest revenue generator, most advanced capability


🎯 Overview

The 3D Chatbot is MachineAvatars' flagship product - a lifelike virtual assistant powered by advanced AI that combines realistic 3D avatars with natural language processing, voice synthesis, and intelligent conversation capabilities.

What Makes It Special:

  • Photorealistic 3D avatars with facial animations
  • Natural lip-sync synchronized to speech
  • Emotional expressions and gestures
  • Context-aware conversations with memory
  • Multi-model AI (11 LLM options)
  • Enterprise-grade features (guardrails, analytics, UTM targeting)

🚀 Core Capabilities

1. Realistic 3D Avatars

What it does:
Provides lifelike 3D avatar characters that visually represent your chatbot, creating an engaging and human-like interaction experience.

Key Features:

  • 16+ Professional Avatars: Diverse selection of male/female avatars representing different demographics
  • Three.js Rendering: High-quality real-time 3D graphics in the browser
  • Facial Animations: Eyes, eyebrows, mouth movements synchronized to speech
  • Emotional Expressions: Happy, neutral, thoughtful, concerned states
  • Responsive Design: Works seamlessly on desktop, tablet, and mobile

User Benefit:
Creates trust and engagement - users are 3× more likely to interact with a human-like avatar than text-only chat.

Technical Foundation:

  • Frontend: Three.js WebGL rendering
  • Backend: Rhubarb Lip-Sync engine (phonetic analysis)
  • Format: GLTF/GLB 3D models

2. Natural Voice & Speech

What it does:
Converts AI responses to natural-sounding speech with accurate lip synchronization to the 3D avatar.

Voice Selection:

  1. Esther Howard (Female) - Warm, professional
  2. Erica Rose (Female 2) - Energetic, friendly
  3. Sophia Martinez (Female 3) - Clear, authoritative
  4. Rose Bennett (Female 4) - Soft, empathetic
  5. Liam Johnson (Male) - Strong, confident
  6. Adrian Foster (Male 2) - Calm, reassuring
  7. Benjamin Hayes (Male 3) - Dynamic, engaging
  8. Caleb Reed (Male 4) - Smooth, sophisticated
  9. Emily Parker (Female 5) - Professional, articulate
  10. Female 6 - Variant option

Technology:

  • Azure Neural Text-to-Speech (10 premium voices)
  • Phonetic lip-sync animation (9 mouth shapes: A-H + X rest)
  • Base64 audio streaming
  • PCM audio encoding

User Benefit:
Natural conversations feel like talking to a real person, not a bot. Increases conversation duration by 40%.


3. Intelligent Conversations (RAG-Powered)

What it does:
Uses Retrieval-Augmented Generation (RAG) to provide accurate, contextual answers based on your knowledge base.

How It Works:

  1. Knowledge Base: Upload website content, PDFs, documents, Q&A pairs
  2. Vector Search: Finds most relevant information using Milvus vector database
  3. AI Generation: 11 LLM models generate natural responses
  4. Context Memory: Maintains conversation history for follow-up questions

Supported Data Sources:

  • Website Crawling: Up to 50 URLs, automatic sitemap parsing
  • File Upload: PDF, DOCX documents (multiple files)
  • Manual Text: Direct text input
  • Q&A Pairs: Predefined question-answer sets
  • Excel Data: Structured data import

AI Models Available:

  • GPT-4 (Azure OpenAI) - Complex reasoning
  • GPT-3.5-Turbo-16k (Default) - Balanced performance
  • GPT-4o-mini - Fast, cost-effective
  • o1-mini - Advanced reasoning
  • Llama 3.3-70B - Open-source alternative
  • DeepSeek R1 - Reasoning specialist
  • Ministral-3B - Lightweight
  • Phi-3 - Efficient
  • Gemini, Claude, Grok - Additional options

User Benefit:
90%+ accuracy in answering domain-specific questions. No hallucinations - answers are grounded in your actual data.

Technical Foundation:

  • Embeddings: BAAI/bge-small-en-v1.5 (384 dimensions)
  • Vector DB: Milvus with cosine similarity search
  • Top-K Retrieval: 5 most relevant chunks
  • Token Limit: 16,000 tokens (context window)

4. Advanced Customization

What it does:
Complete control over chatbot behavior, appearance, and functionality.

Customization Options:

A. Purpose & Personality

  • Sales Agent
  • Customer Support
  • Lead Generation
  • FAQ Assistant
  • Product Guide
  • Custom role

B. Visual Branding

  • Avatar selection (16+ options)
  • Voice selection (10 options)
  • Brand colors/styling
  • Custom backgrounds
  • Logo integration

C. Conversation Behavior

  • Custom system prompts
  • Personality traits
  • Tone of voice (professional, casual, friendly)
  • Response length preferences
  • Language style

D. Business Configuration

  • Lead capture forms
  • UTM campaign targeting
  • Custom greetings
  • Fallback responses
  • Contact information display rules

User Benefit:
Your chatbot aligns perfectly with your brand identity and business goals.


5. Comprehensive Admin Dashboard

What it does:
Full-featured control panel for managing your 3D chatbot.

7-Tab Interface:

Tab 1: Overview

  • Quick stats
  • Active sessions
  • Response quality metrics

Tab 2: Chat History

  • Complete conversation logs
  • User questions and bot responses
  • Session details
  • Export capabilities

Tab 3: Knowledge Base

  • View/edit training data
  • Add/remove content
  • Update Q&A pairs
  • Refresh website data

Tab 4: Analytics

  • Usage statistics
  • Popular questions
  • Conversation quality
  • User engagement metrics

Tab 5: Settings

  • Avatar selection
  • Voice configuration
  • System prompts
  • Guardrails management

Tab 6: Lead Management

  • Captured leads
  • Form submissions
  • Export to CRM

Tab 7: Screenshot Capture

  • Take chatbot screenshots
  • Preview how users see it
  • Share with team

User Benefit:
Complete visibility and control. Make data-driven improvements to your chatbot.


6. Enterprise Features

What it does:
Advanced capabilities for business-critical deployments.

A. Content Guardrails

  • Blocked keywords filtering
  • Topic restrictions
  • Response validation
  • Safety rules
  • Profanity detection
  • Action triggers (reject, redirect, notify)

Structure:

{
  "rules": [
    {
      "type": "blocked_keywords",
      "keywords": ["competitor", "inappropriate"],
      "action": "reject"
    },
    {
      "type": "topic_restriction",
      "allowed_topics": ["products", "support"],
      "action": "redirect"
    }
  ],
  "enabled": true
}

B. UTM Campaign Targeting

  • Personalized responses based on traffic source
  • Campaign-specific content
  • Dynamic prompts by marketing channel
  • Conversion optimization

Scoring Algorithm:

  • Target URL match: +10 points
  • Each UTM parameter match: +2 points
  • URL-only match: +5 points

Example Use Case:

  • User from Google Ads sees "20% discount" messaging
  • User from email campaign sees "valued customer" messaging
  • User from partner site sees co-branded content

C. Performance Logging

  • Response time tracking
  • Token usage monitoring
  • Model performance comparison
  • Cost analytics
  • Bottleneck identification

Metrics Tracked:

{
  "metrics": {
    "total_time_ms": 4500,
    "milvus_time_ms": 120,
    "llm_time_ms": 2500,
    "tts_time_ms": 1200,
    "lipsync_time_ms": 680
  },
  "tokens": {
    "input": 150,
    "output": 80,
    "total": 230
  }
}

D. Lead Collection

  • Smart form triggers
  • Custom field configuration
  • CRM integration ready
  • Lead scoring

User Benefit:
Enterprise-grade reliability, security, and insights for mission-critical applications.


7. Seamless Deployment

What it does:
Multiple integration options to embed your 3D chatbot anywhere.

Deployment Methods:

A. Widget SDK (Recommended)

<script
  src="https://machineavatars.com/sdk/chat-sdk.js"
  async
  data-h="[your-project-id-encoded]"
></script>

Features:

  • Floating chat bubble
  • Minimizable window
  • Mobile responsive
  • Auto-loads on page
  • Customizable position

B. iFrame Embed

<iframe
  src="https://app.machineavatars.com/embed/[project-id]"
  width="400"
  height="600"
  frameborder="0"
></iframe>

C. Direct Integration

  • React component
  • Vue component
  • Angular component
  • Vanilla JavaScript

D. Shared Links

  • Public chatbot URL
  • No login required
  • QR code support
  • Social media sharing

User Benefit:
Deploy in minutes. Works on any website, platform, or app.


📊 Feature Comparison by Plan

Feature Free Pro Business Premium
3D Avatars 3 options 8 options 16 options All + Custom
Voices 2 5 10 All + Custom
Website URLs 10 25 50 Unlimited
File Uploads 1 MB 10 MB 50 MB Unlimited
Chat Sessions 100/month 1,000/month 10,000/month Unlimited
Knowledge Base Text only Text + Files All sources All + API
LLM Models GPT-3.5 GPT-3.5, GPT-4o-mini All 11 models All + Custom
Analytics Basic Standard Advanced Custom dashboards
Guardrails Basic Full Full + Custom
UTM Targeting
Lead Collection Basic Full Full + CRM integration
Priority Support Email Email + Chat Dedicated manager
White-Label
SLA None 99% 99.9% 99.99%

💼 Use Cases

1. E-Commerce Sales Assistant

Scenario: Online store needs 24/7 product expert

Configuration:

  • Purpose: Sales Agent
  • Avatar: Professional female (Sophia Martinez)
  • Voice: Clear, authoritative
  • Data: Product catalog, pricing, shipping info
  • Guardrails: No competitor mentions
  • Lead Form: Collect email for cart abandonment

Results:

  • 30% increase in conversion
  • 50% reduction in support tickets
  • 24/7 availability

2. Healthcare Patient Support

Scenario: Medical practice needs appointment scheduling and FAQs

Configuration:

  • Purpose: Customer Support
  • Avatar: Empathetic female (Rose Bennett)
  • Voice: Soft, reassuring
  • Data: Services, doctor bios, insurance info
  • Guardrails: HIPAA-compliant responses
  • Lead Form: Appointment booking

Results:

  • 40% reduction in phone calls
  • Improved patient satisfaction
  • After-hours service

3. SaaS Product Guide

Scenario: Software company needs onboarding assistant

Configuration:

  • Purpose: Product Guide
  • Avatar: Tech-savvy (Liam Johnson)
  • Voice: Professional, clear
  • Data: Documentation, tutorials, API docs
  • UTM: Different demos for free vs paid traffic
  • Lead Form: Trial signup

Results:

  • 60% faster onboarding
  • Reduced support load
  • Higher trial conversions

4. Real Estate Virtual Agent

Scenario: Real estate agency needs property information assistant

Configuration:

  • Purpose: Sales + Lead Generation
  • Avatar: Professional (Erica Rose)
  • Voice: Friendly, energetic
  • Data: Property listings, neighborhood info, mortgage calculator
  • UTM: Property-specific campaigns
  • Lead Form: Contact for viewing

Results:

  • 24/7 lead capture
  • Qualified leads increased 45%
  • Reduced agent workload

🔧 Configuration Best Practices

Optimal Avatar Selection

For Professional Services: Sophia Martinez, Liam Johnson
For Healthcare: Rose Bennett, Adrian Foster
For Sales/Marketing: Erica Rose, Benjamin Hayes
For Tech Support: Caleb Reed, Emily Parker

Voice Selection Tips

  • Match voice gender to avatar
  • Consider brand tone (formal vs casual)
  • Test with sample audience
  • Female voices: Higher engagement for service/support
  • Male voices: Higher authority perception for tech/finance

Data Training Recommendations

  1. Start with Website: Easiest, fastest setup
  2. Add Q&A Pairs: Cover edge cases not on website
  3. Upload Documents: Product manuals, detailed guides
  4. Iterate: Review chat logs, add missing content

Performance Optimization

  • Keep knowledge base focused (quality > quantity)
  • Use Q&A for frequently asked questions (faster retrieval)
  • Enable guardrails to prevent off-topic conversations
  • Monitor analytics to refine system prompts

🔗 Technical Integration

Frontend Components

  • 3D Rendering: ThreeD_Chatbot.js component
  • Chat Interface: 3d-chatbot/page.tsx (524 lines)
  • Admin Dashboard: 7-tab interface with screenshot capture

Backend Services

  • Main: response-3d-chatbot-service (Port 8011) - 2,534 lines
  • Data Source: data-crawling-service, client-data-collection-service
  • State: state-selection-3dchatbot-service
  • Creation: create-chatbot-service

APIs Used

  • Azure OpenAI (11 models)
  • Azure TTS (10 voices)
  • Milvus Vector DB
  • MongoDB (6 collections)
  • Rhubarb Lip-Sync

Collections

  1. chatbot_history - Conversation logs
  2. chatbot_selections - User preferences
  3. files - Knowledge base content
  4. chatbot_guardrails - Safety rules
  5. performance_logs - Metrics
  6. LEAD_COLLECTION - Form submissions

📈 Performance Specs

Average Response Time: 4-8 seconds (including lip-sync generation)

Breakdown:

  • Vector search: ~120ms
  • LLM generation: ~2,500ms
  • TTS synthesis: ~1,200ms
  • Lip-sync creation: ~680ms
  • Overhead: ~1,000ms

Concurrent Users: 1,000+ (scales automatically)

Accuracy: 90%+ on domain-specific questions

Uptime: 99.9% SLA (Business/Premium plans)


🚨 Limitations & Considerations

Current Limitations

  1. Video Upload: Not yet supported (roadmap)
  2. Multi-Language: English optimized (other languages experimental)
  3. Voice Cloning: Not available (uses predefined voices)
  4. Offline Mode: Requires internet connection
  5. Mobile Performance: Reduced quality on low-end devices

Workarounds

  • Video Content: Use YouTube links in text or convert to text transcripts
  • Multi-Language: Separate chatbots per language
  • Custom Voice: Contact for enterprise custom TTS
  • Mobile: Responsive design ensures functional experience

Backend Services:

Frontend:

APIs:

Architecture:


🎓 Training Resources

For Sales Teams

  • Demo video: 3D chatbot product tour
  • ROI calculator: Show cost savings vs human agents
  • Case studies: Successful customer implementations
  • Competitive comparison: vs Intercom, Drift, Tidio

For Support Teams

  • Setup guide: Step-by-step chatbot creation
  • Troubleshooting: Common issues and solutions
  • FAQ: Frequently asked questions from customers
  • Best practices: Optimization tips

For Developers

  • SDK documentation: Integration guide
  • API reference: Endpoint details
  • Code samples: React, Vue, Angular examples
  • Webhook guide: Custom integrations

"Lifelike conversations, powered by advanced AI - the future of customer engagement." 🤖✨