LTX 2.3 Audio to Video

Convert audio into lip-synced videos. Add images to create talking avatars and music visualizations.

Inputs

Input Image

Input Image
Image

Input Audio

Output

Generated

Upload your video and sync lips in seconds

10,000+ generations this month

📄 About LTX 2.3 Audio to Video
Key Features
Converts 2-20 second audio clips into high-quality, synchronized videos with realistic lip sync.
Supports optional image input for customized avatars or scene backgrounds.
Accepts both file uploads and URLs for audio and image sources, enhancing workflow flexibility.
Advanced AI ensures natural motion and expressive facial animations that match the input audio.
Prompt-based video generation enables creative scene descriptions and custom animations.
Configurable guidance scale allows users to control how closely the output matches the prompt or image.
Fast video generation, typically producing results within 30-60 seconds.
💡 Use Cases
Creating talking head avatars for explainer videos or virtual assistants.
Animating podcast episodes with synchronized visuals for YouTube or social media.
Producing lip-synced music video snippets for promotional purposes.
Enhancing e-learning content with animated educators or presenters.
Visualizing voiceover scripts for marketing or advertising campaigns.
Developing interactive chatbots with realistic video responses.
Generating personalized video messages or greetings.
🎯 Best For
🎯 Content creators, marketers, educators, and developers seeking fast, high-quality audio-to-video generation with lip sync.
👍 Pros
Delivers accurate and natural lip synchronization for realistic video output.
Flexible input options support both images and text prompts for creative control.
Quick turnaround time for video generation enhances productivity.
No manual animation or filming required, saving time and resources.
Ideal for a wide range of applications, from social media to e-learning.
⚠️ Considerations
Limited to audio clips between 2 and 20 seconds in duration.
Quality of output may depend on the clarity of the input audio and images.
Requires publicly accessible files or correctly formatted data URIs.
📚 How to Use LTX 2.3 Audio to Video
1
Prepare your audio file (2-20 seconds) and ensure it is publicly accessible or in a supported format.
2
Optionally, select or upload an image to serve as the video’s first frame, or prepare a detailed prompt for scene description.
3
Provide the audio URL and, if desired, the image URL or prompt in the input fields.
4
Adjust the guidance scale to control how closely the video matches your prompt or image.
5
Submit your inputs and wait for the model to process and generate your video (typically 30-60 seconds).
6
Download or share your lip-synced video for use in your chosen application.
Frequently Asked Questions
You can use any audio file that is between 2 and 20 seconds in duration, provided it is publicly accessible or formatted as a base64 data URI. Supported formats typically include common audio types such as MP3 and WAV.
An image is optional. If you do not provide an image, you must enter a prompt describing the scene or animation you want. If an image is provided, it serves as the video’s first frame and influences the animation.
LTX 2.3 Audio to Video uses advanced AI to produce highly accurate lip synchronization, resulting in natural mouth movements that closely match the input audio. The quality also depends on the clarity of the audio and the suitability of the provided image or prompt.
Pricing varies by model and is based on a pay-as-you-go credit system. This allows you to scale your usage according to your needs without long-term commitments.
Video generation is typically fast, with most videos produced within 30 to 60 seconds depending on the input length and complexity.

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