InfiniteTalk - Open Source Audio-Driven Video Generation Tool for Mission Vision AI

What is InfiniteTalk?

InfiniteTalk is an audio-driven video generation tool developed by the MeiGen-AI team that generates talking videos of unlimited length based on incoming audio. The core advantage is the precise lip synchronization technology, which can perfectly match the audio with the character's mouth shape to generate natural and smooth dialog effects. It also generates head movements and body gestures that match the rhythm of the voice, making the video look more vivid and natural.InfiniteTalk supports generating videos from images and audio, or combining the input video with new audio to generate entirely new video content. The sparse frame video dubbing technology used maintains character identity and iconic movements by preserving key frames, supporting natural synchronization of facial expressions and body dynamics with the audio. Seamless transitions between blocks are achieved using temporal context frames to ensure video coherence.

InfiniteTalk Features

• Unlimited length video generationThe video can be generated at any length according to the input audio, breaking through the length limitation of traditional video generation technology.
• Precision Lip Synchronization: Accurately matches the audio to the character's accent to generate natural and smooth dialog effects.
• Natural Motion Generation: Generate head micro-movements and body postures that match the rhythm of the voice, making the video more vivid and natural.
• Multi-mode input support: Support for generating video from images and audio, as well as combining input video with new audio to generate new video.
• Sparse frame video dubbing technology: Maintain character identity and iconic movements by preserving keyframes for natural synchronization of facial expressions and body dynamics with audio.
• Streaming Video Generation: Utilizes temporal context frames for seamless transitions between blocks to ensure video coherence.
• Open source and easy to deploy: As an open source project, the code has been published on GitHub and can be deployed with one click through tools such as AIStarter, or manually installed and configured.

InfiniteTalk's Core Benefits

• Breaking the time limit: Unlimited length videos can be generated to meet diverse content creation needs.
• Efficient Content Generation: Audio-driven video generation for fast output of high-quality content, saving time and effort.
• Natural smooth effect: Precise lip synchronization and natural motion generation for realistic and smooth video results.
• Flexible Input Methods: Supports multiple input modes, including image, audio and video combined with new audio.
• Open source and easy to deploy: Open source code for easy secondary development, and simple to deploy, easy to use.

What is InfiniteTalk's official website

• Project website:: https://meigen-ai.github.io/InfiniteTalk/
• Github repository:: https://github.com/MeiGen-AI/InfiniteTalk
• HuggingFace Model Library:: https://huggingface.co/MeiGen-AI/InfiniteTalk
• arXiv Technical Paper:: https://arxiv.org/pdf/2508.14033

Who InfiniteTalk is for

• Video Creators: High-quality video content can be generated quickly to enhance the efficiency of creation.
• educator: Used to create personalized instructional videos that enhance the interactivity of teaching and learning.
• marketer: Helps create more engaging marketing videos that boost brand impact.
• content developer: Facilitates the development of all types of video content and expands the creative space.
• technology enthusiast: Open source features are available for learning and secondary development to explore more possibilities.