NVIDIA has updated the NVIDIA Avatar Cloud Engine (ACE) with new animation and speech capabilities for AI-powered avatars and digital humans. These enhancements focus on natural conversations and emotional expressions.
Developers now have access to cloud APIs for automatic speech recognition (ASR), text-to-speech (TTS), neural machine translation (NMT), and Audio2Face (A2F). These tools, available through the early access program, enable creators to build advanced avatar experiences using popular rendering tools like Unreal Engine 5.
The ACE AI animation features now include A2F emotional support and an Animation Graph microservice for body, head, and eye movements. These additions aim to create more expressive digital humans. A new microservice facilitates rendering production and real-time inference, and A2F quality improvements enhance lip sync for realistic digital human representations.
The ACE suite now supports additional languages including Italian, EU Spanish, German, and Mandarin, and has improved ASR technology accuracy. The cloud APIs simplify access to Speech AI features. The new Voice Font microservice allows customisation of TTS outputs, enabling unique voice applications in various scenarios.
ACE Agent, a new dialog management and system integration tool, provides a seamless experience by orchestrating connections between micro-services. Developers can now integrate NVIDIA NeMo Guardrails, NVIDIA SteerLM, and LangChain for more controlled and accurate responses.
The updates make it easier to use these tools in various rendering and coding environments. New features include support for blendshapes within the Avatar configurator for integration with renderers like Unreal Engine, a new A2F application for Python users, and a reference application for developing virtual assistants in customer service.
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