JoyAI-Echo open-source framework targets stable 5-minute AI long videos

Original: 5分钟AI长视频不翻车！国产开源框架杀到全球第一梯队

JoyAI-Echo is an open-source long-video generation framework focused on consistency, latency, editing, and upscaling.

QbitAI reports that JD’s team has open-sourced JoyAI-Echo, a long audio-video generation framework for multi-minute AI videos. It targets character drift, unstable voice, slow inference, and blurry output through cross-modal memory, memory-driven post-training, and lightweight real-time super-resolution. The system also includes a Director Agent for script planning, shot-level generation, localized edits, and iterative video production.

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