NVIDIA Project Mellon is a lightweight Python package capable of harnessing the heavyweight power of speech AI (NVIDIA Riva) and large language models (NVIDIA NeMo service) to simplify user interactions in immersive environments. Project Mellon enables developers of almost any application, whether in XR or flat-screen worlds, to easily add natural language understanding to their software as a new kind of human-centered, hands-free user interface. Learn more: https://developer.nvidia.com/project-mellon