LongCat Video Avatar
LongCat Video Avatar is an audio-driven AI avatar generator for long-form videos. It creates stable, realistic talking avatars with accurate lip-sync from a single image and audio input. Ideal for...
What is LongCat Video Avatar?
LongCat Video Avatar is an audio-driven AI avatar generator for long-form videos. It creates stable, realistic talking avatars with accurate lip-sync from a single image and audio input. Ideal for podcasts, education, storytelling, and creator content.
Key Features
Unified Multi-Mode Generation
LongCat Avatar supports Audio-Text-to-Video (AT2V), Audio-Text-Image-to-Video (ATI2V), and Audio-conditioned Video Continuation within a single unified framework. This makes LongCat Avatar extremely flexible for both creative and production-level workflows.
Long-Sequence Stability at Scale
Through Cross-Chunk Latent Stitching, LongCat Avatar prevents pixel degradation and visual noise accumulation, ensuring seamless quality across long videos without quality collapse.
Natural Human Dynamics Beyond Speech
The Disentangled Unconditional Guidance mechanism decouples audio signals from motion dynamics. As a result, LongCat Avatar produces natural gestures, idle movements, and expressive behavior, even during silent segments.
Multi-Person & Infinite-Length Support
LongCat Avatar natively supports multi-person interactions and theoretically infinite-length video generation, making it suitable for complex conversations and long-form content.
Tool Information
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