🎤 Voice Expense Tracker

Speak your expenses, track them automatically with AWS AI

A demo application showcasing AWS Transcribe and AWS Comprehend for voice-powered expense tracking.

🚀 Quick Start

# Install dependencies
npm install

# Start the server
npm start

# Open browser
open http://localhost:3000

🎯 Demo Features

Voice Processing

• 🎤 Real-time speech recognition (Web Speech API)
• 📁 Audio file upload with AWS Transcribe
• 🧠 Smart expense extraction with AWS Comprehend

AI-Powered Extraction

• 💰 Automatic amount detection
• 📂 Category identification
• 🎯 Confidence scoring
• 😊 Sentiment analysis

Daily Tracking

• 📊 Running daily totals
• 📝 Recent expenses list
• 📈 Category breakdown
• 💾 Persistent storage

🛠️ AWS Services Used

• AWS Comprehend: Entity detection & sentiment analysis
• AWS Amplify: Serverless hosting and deployment

📝 Example Usage

Say any of these:

• "I spent 5000 naira on food"
• "Paid 15000 naira for fuel today"
• "Just bought lunch for 3500 naira"

The app extracts:

• Amount: ₦5,000
• Category: food
• Confidence: high
• Updates daily total

🧪 Testing

# Test the API endpoints
node test-demo.js

🎬 Demo Script

See DEMO_SCRIPT.md for complete demo walkthrough.

🔧 Configuration

Set up AWS credentials:

export AWS_ACCESS_KEY_ID=your_key
export AWS_SECRET_ACCESS_KEY=your_secret
export AWS_DEFAULT_REGION=us-east-1

🚀 Deploy to AWS Amplify

npm install -g @aws-amplify/cli
amplify init
amplify add hosting
amplify publish

🚀 Production Enhancements

• Database integration (PostgreSQL/DynamoDB)
• User authentication (Cognito)
• Budget alerts (SNS)
• Analytics dashboard (QuickSight)
• Mobile app (React Native)

📄 License

MIT - Built for educational demo purposes