The LTX2 Infinite Talking & Singing Video Workflow is a one-of-a-kind ComfyUI pipeline that lets you create perfectly lip-synced talking or music videos using your own custom audio or music. This workflow makes it possible to match facial movements precisely to spoken dialogue or song lyricsâdelivering smooth, realistic lip sync that feels continuous and natural.
Whether youâre building an AI avatar, a virtual singer, or a talking character, this workflow gives you full creative control over motion, camera movement, and performance styleâall driven by your prompt and audio input.
How It Works:
1ď¸âŁ Upload the image you want to animate
2ď¸âŁ Upload your custom audio or music
3ď¸âŁ Set the output width and height
4ď¸âŁ Enter the audio duration
5ď¸âŁ Write a detailed prompt describing the action (talking, dancing, walking, etc.) and camera motion
6ď¸âŁ Click Queueâyour perfectly lip-synced video is generated automatically
The result is an infinite-length talking or singing video (limited only by your hardware) with highly accurate lip sync and expressive motion.
Key Features:
đ Perfect Lip Sync â Matches mouth movements precisely to dialogue or lyrics.
đ§ Custom Audio Support â Use any voice clip, narration, or music track.
đ¤ Talking & Singing Modes â Ideal for AI presenters, singers, and virtual influencers.
đŹ Full Creative Control â Guide actions, dance moves, walking, and camera motion via prompts.
đźď¸ Resolution Customization â Set output size to match your project needs.
âžď¸ Infinite-Length Capability â Extend videos as long as your GPU resources allow.
⥠Optimized for Performance â Designed for fast, stable generation with high visual quality.
Performance Tips:
- ULTRA PRO GPU is strongly recommended for best speed and stability.
- If you encounter an out-of-memory error, simply re-run the workflowâit typically resolves on retry.
- Higher resolutions increase generation time and memory usage, so adjust output size thoughtfully.
Ideal Use Cases:
- AI avatars and virtual presenters
- Singing characters and music videos
- Lip-synced storytelling
- Social media content creation
- Voice-driven character animation
The LTX2 Infinite Talking & Singing Video Workflow unlocks a new level of creative freedomâbring any image to life with your own voice or music, perfectly lip-synced, expressive, and endlessly expandable inside ComfyUI.
