ComfyUI: Generating AI video and audio with LTX-2.3

Demo summary
The user shows how to input a prompt including dialogue and sound effects into the LTX-2.3 workflow in ComfyUI to generate a video with synchronized audio.
Step-by-step
- Navigate to the prompt input field in the LTX-2.3 workflow
- Describe the subject, environment, and motion
- Type in the exact dialogue, sound effects, ambience, or music descriptions
- Click Run to start the generation
Options
- Generate audio alongside video
- Include specific dialogue in the prompt
- Describe ambient sounds or music in the prompt
Tips
- Remember that LTX 2.3 can generate audio, so be specific with sound descriptions in your prompt
All demos from “How To Use LTX-2.3 in ComfyUI | Best FREE AI Video Model?”
1:230:41Setting up LTX-2.3 in ComfyUIThe creator demonstrates how to browse templates in ComfyUI, search for LTX 2.3, and download the required missing models for the text-to-video workflow.ComfyUI· AI Animation Generator
3:130:22Generating AI video and audio with LTX-2.3CurrentThe user shows how to input a prompt including dialogue and sound effects into the LTX-2.3 workflow in ComfyUI to generate a video with synchronized audio.ComfyUI· Text to Video
6:160:38Image-to-video generation with LTX-2.3The creator demonstrates the image-to-video workflow in ComfyUI, showing how starting from an input image improves text legibility and subject consistency in the final video.ComfyUI· Image to Video- Watch “How To Use LTX-2.3 in ComfyUI | Best FREE AI Video Model?” →
Text to Video
7:390:27Input prompt and run generationThe demo shows entering a text description into the prompt box and clicking 'Queue Prompt' to start the Wan 2.2 Animate generation process.MDMZ
3:250:40Compare camera rotation: HunyuanVideo 1.5 vs Wan 2.2A side-by-side comparison of a prompt involving a rotating camera in a marketplace, showing HunyuanVideo 1.5 successfully executing the orbit while Wan 2.2 struggles with speed and motion.AI Search
4:070:42Anatomy test: HunyuanVideo 1.5 vs Wan 2.2The creator tests both models with a figure skating prompt to evaluate anatomical correctness, noting Hunyuan's superior handling of limbs compared to Wan 2.2.AI Search
6:043:25Text-to-Video generation with LTX 2.3The video demonstrates generating a 7-second video from a detailed text prompt describing a woman at a zoo, showing how the model handles specific dialogue and character actions.AIKnowledge2Go
3:130:22Generating AI video and audio with LTX-2.3CurrentThe user shows how to input a prompt including dialogue and sound effects into the LTX-2.3 workflow in ComfyUI to generate a video with synchronized audio.MDMZ
1:050:21Multi-action video generation with WAN 2.1The creator demonstrates prompting the WAN model to have a character speak while performing complex actions like walking to a table and opening a laptop.Apex Artist
ComfyUI