Christorious/ghana-voice-ledger

Voice-powered transaction ledger for Ghanaian small businesses # Voice Ledger Ghana A voice-powered financial transaction recording application designed specifically for Ghanaian small business owners and market vendors. ## Overview Voice Ledger Ghana enables users to record financial transactions using natural voice commands in English, Twi, and other Ghanaian languages. The app uses advanced speech recognition and machine learning to automatically categorize transactions, identify speakers, and generate daily summaries. ## Features ### Core Functionality - **Voice Transaction Recording**: Record sales, purchases, and expenses using natural speech - **Multi-Language Support**: English, Twi, Ga, Ewe, and other Ghanaian languages - **Offline Capability**: Full functionality without internet connection - **Speaker Identification**: Automatic identification of different speakers/users - **Smart Categorization**: AI-powered transaction categorization - **Daily Summaries**: Automated daily business summaries with insights ### Advanced Features - **Real-time Processing**: Instant transaction processing and feedback - **Data Privacy**: End-to-end encryption and local data storage - **Battery Optimization**: Efficient power management for all-day use - **Accessibility**: Full accessibility support for users with disabilities - **Export Capabilities**: Export data in multiple formats (CSV, PDF, Excel) ## Technical Architecture ### Technology Stack - **Platform**: Android (Kotlin) - **UI Framework**: Jetpack Compose with Material 3 - **Architecture**: Clean Architecture with MVVM - **Database**: Room with SQLite - **Dependency Injection**: Hilt - **Speech Recognition**: Google Cloud Speech API + Offline TensorFlow Lite - **Machine Learning**: TensorFlow Lite for on-device processing - **Audio Processing**: WebRTC VAD, custom audio utilities - **Security**: AES encryption, biometric authentication ### Key Components - **Voice Agent Service**: Continuous voice monitoring and processing - **Speech Recognition Manager**: Multi-provi …