The development of intelligent voice-controlled systems has gained significant importance with the advancement of artificial intelligence and human-computer interaction. This project presents Jarvis, an AI-based voice detection assistant designed to enable real-time speech recognition and task automation. The system utilizes speech-to-text conversion, natural language processing (NLP), and text-to-speech synthesis to facilitate seamless interaction between users and machines. Jarvis can perform various tasks such as answering queries, opening applications, retrieving information, and executing system-level commands based on user voice input. The system incorporates noise reduction and wake-word detection to ensure reliable performance in real-world environments. Lightweight implementation allows for deployment on personal computers and embedded devices. Experimental results demonstrate that the proposed system achieves accurate voice recognition and quick response times, enhancing user experience and productivity. This project highlights the potential of AI-driven voice assistants in simplifying daily activities and improving human-machine interaction.