EVA: Windows AI Assistant – Capabilities Overview

What is EVA?

EVA is a powerful AI assistant for Windows, built with PyQt5. It combines voice recognition, natural language processing, and system automation to deliver a seamless desktop assistant experience. EVA understands both voice and text commands, automates system tasks, and interacts with multiple AI language models.

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Key Features

🤖 AI Conversation & Language Models

• Supports Multiple LLMs: Cohere (main), ChatGPT (GPT-4.1-nano), Claude (Claude-3-5-Haiku), DeepSeek (formatting)
• Streaming Responses: Real-time, token-by-token
• Contextual Conversations: Maintains chat history
• 18 Languages Supported: Including English, Russian, Japanese, German, Spanish, and more

🎤 Voice & Speech

• Speech-to-Text: Real-time via Google Web Speech API
• Wake Word: "EVA" for hands-free use
• Text-to-Speech: ElevenLabs and Edge TTS integration
• Continuous Listening: Background microphone monitoring
• Audible Feedback: Spoken confirmations and responses

🕒 Time & Reminders

• Time & Date: Commands like say time and say date
• Alarms & Reminders: Set alarms (e.g., "set alarm 15:30") and custom reminders
• Task Scheduling: Background operations for timed tasks

🌐 Web & Browser Control

• Open Websites: "open google.com"
• Launch Browsers: "open chrome"
• Web Search: "search for Elon Musk"
• URL Handling: Automatic formatting and validation

🔊 Audio & Music

• Volume Control: volume increase, volume decrease, mute, unmute
• Music Playback: Play and manage music files, add directories, organize tracks
• Audio Formats: MP3, WAV, and more

🖥️ System & File Management

• Launch Apps: Notepad, Paint, CMD, Calculator, Explorer, and custom apps
• File Operations: Open, read, scan, search, and reorganize files
• Directory Management: Navigate and manage folders

🎛️ System Automation

• Screen Brightness: Adjust display levels
• Process Management: Monitor and control running apps
• System Monitoring: Track resources in real time
• Power Controls: Basic system power management

🧮 Math & Calculator

• Calculator: Solve expressions and advanced calculations
• Instant Results: Real-time computation

📱 User Interface

• Modern PyQt5 UI: Clean, responsive, multi-page design
• Settings & Themes: Customizable preferences and visual styles
• Sidebar & Chat: Quick navigation and modern chat interface

🔧 Advanced

• NLP: Smart command parsing and fuzzy matching
• Multi-threading: Non-blocking background tasks
• Error Handling: Robust feedback and logging
• Config Management: Persistent user settings
• Plugin System: Easily extend EVA's capabilities

🌍 Internationalization

• 18 Languages: Localized responses and region-specific formatting
• Translation: Real-time text translation

🔒 Security & Privacy

• Local Processing: Voice and basic tasks run locally
• API Key Security: Safe handling of credentials
• User Data: Preferences stored locally, privacy controls available

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System Requirements

• OS: Windows 10/11
• Python: 3.10+
• RAM: 4GB minimum (8GB recommended)
• Storage: 500MB free
• Microphone: Required for voice features
• Internet: Needed for AI and web features

Core Dependencies

• PyQt5, SpeechRecognition, PyAudio, pycaw, Cohere/OpenAI/Anthropic, Edge TTS, psutil, screen_brightness_control

Architecture

• Modular, thread-safe, event-driven, and plugin-ready

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Use Cases

• Productivity: Quick system tasks, file management, scheduling, web research
• Accessibility: Voice control, hands-free operation, audio feedback, multi-language
• Entertainment: Music playback, AI chat, web browsing, media management
• Technical: System monitoring, automation, math, workflow assistance

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Looking Ahead

Planned features include:

• Improved voice recognition
• More AI integrations
• Advanced automation
• Cloud sync
• Mobile companion app
• Smart home integration
• Enhanced scheduling and calendar

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EVA is your all-in-one, voice-powered AI assistant for Windows—bridging natural language and system control for productivity, accessibility, and entertainment.