ComfyUI-IF_MemoAvatar is a memory-guided diffusion model designed for creating expressive videos. This technology enables users to generate dynamic speaking avatar videos from a single image and audio input. Its significance lies in its ability to transform static images into dynamic videos while retaining the facial features and emotional expressions of the characters, thereby providing new possibilities for video content creation. The model was developed by Longtao Zheng and others and is documented in a related paper published on arXiv.