Live Avatar AI: How We Reached 20 FPS Real-Time Streaming with a 14B-Parameter Model

15 days ago 高效码农

LiveAvatar under the hood: how a 14-billion-parameter diffusion model now runs live, lip-synced avatars at 20 FPS on five GPUs A plain-language walk-through of the paper, code and benchmarks—no hype, no hidden plugs. “We want an avatar that can talk forever, look like the reference photo, and run in real time.” —Authors’ opening line, arXiv:2512.04677 1. The problem in one sentence Big diffusion models give great faces, but they are slow (0.25 FPS) and drift out of look after a few hundred frames. LiveAvatar keeps the quality, removes the lag, and stops the drift—so you can stream an avatar for …

Persona Engine: The Complete Guide to Building AI-Driven Virtual Avatars

8 months ago 高效码农

Introduction: Revolutionizing Digital Interaction Persona Engine redefines how we create lifelike virtual characters by integrating cutting-edge AI technologies. This open-source platform combines speech recognition, natural language processing, and real-time animation to empower developers in crafting intelligent digital personas. Discover how this toolchain bridges the gap between static avatars and truly interactive entities. Core Features and Technical Architecture Multimodal Interaction System A three-tiered architecture enables natural conversations: • Speech Recognition Layer: Dual Whisper models (tiny & large) balance speed (200ms latency) and accuracy (95%+ transcription rate) • Cognitive Processing Layer: Customizable personality profiles with GPT-4/LLAMA3 integration • Voice Synthesis: Hybrid TTS-RVC …