longcat video avatar 1.5

LongCat Video Avatar 1.5 transforms still images and audio into dynamic, lifelike digital human videos. This platform offers robust capabilities for creating engaging visual content, including: • Precise lip-synchronization to match audio • Support for singing and expressive vocal performances • Animation features for stylized and realistic characters • Browser-based generation with no GPU requirement The tool is built on the LongCat-Video foundation architecture, allowing users to generate talking character videos with synchronized lip movement, natural body motion, and consistent character identity throughout the video. It offers both Audio-Text-to-Video (AT2V) for generation from audio and text prompts, and Audio-Text-Image-to-Video (ATI2V) for personalized avatars using a reference photo. Users can also extend existing video clips while preserving identity and motion. Key enhancements in version 1.5 include significant improvements in lip-sync quality for smoother, more natural movements, and optimized inference steps for faster processing. It supports output resolutions of 480p and 720p, and can handle both English and Chinese audio. This tool is ideal for content creators, marketers, educators, and anyone needing to produce high-quality digital presenters, virtual characters, or multilingual talking videos quickly and efficiently.