Live Avatar - AI Talking Head Generator
Create realistic talking avatar videos with Live Avatar AI. Upload a portrait image and audio to generate natural lip-synced videos with expressive facial animations and synchronized speech.
Create realistic talking avatar videos with Live Avatar AI. Upload a portrait image and audio to generate natural lip-synced videos with expressive facial animations and synchronized speech.
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What Can Live Avatar Do?
Audio-Driven Lip Sync
Upload any audio file and Live Avatar will analyze the speech to generate perfectly synchronized lip movements. The AI understands phonemes and timing for natural results.
Natural Facial Expressions
Beyond lip movements, Live Avatar adds contextual facial expressions that match the audio's emotion and energy. Eyebrows, eyes, and subtle muscle movements create believable animations.
Prompt-Guided Behavior
Use text prompts to guide the avatar's gestures and demeanor. Describe whether the character should be formal, casual, energetic, or calm to influence the generated animation style.
Flexible Duration Control
Choose from 5 to 20+ clips to create videos from 15 seconds to over a minute. Match your video length to your audio content precisely.
Quality-Speed Balance
Select acceleration levels from None (best quality) to High (fastest). Optimize for your use case - high quality for final productions, fast for previews and iterations.
Fast Processing
Live Avatar is optimized for efficient generation. Get your talking head videos in minutes, not hours, enabling rapid content creation workflows.
High-Quality Output
Generate smooth, high-quality video with consistent character appearance. The AI maintains identity and lighting throughout the entire video sequence.
How to Use Live Avatar
Upload Avatar Image
Select a clear, front-facing portrait photo. The image should show the face clearly with good lighting. Neutral expressions work best for natural animation.
Upload Audio File
Provide WAV or MP3 audio that will drive the avatar's speech. Use clear recordings without background noise. The audio length should match your desired video duration.
Write Your Prompt
Describe the scene and character behavior. Example: 'A person speaking naturally with expressive gestures, professional setting.' This guides the AI's animation style.
Select Number of Clips
Choose how many 3-second clips to generate. 5 clips = ~15s, 10 clips = ~30s, 20 clips = ~60s. Match this to your audio length for best results.
Choose Acceleration
Select 'None' for highest quality output, or choose faster options if you need quick results. Higher acceleration means faster generation with slightly reduced quality.
Generate Video
Click Generate and Live Avatar will create your talking head video. The AI synchronizes lip movements to your audio while adding natural expressions and gestures.
Frequently Asked Questions
What is Live Avatar?
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Live Avatar is an AI model that generates realistic talking head videos from a single image and audio input. It creates natural lip synchronization, facial expressions, and optional gestures that match the provided speech audio.
What image works best?
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Use a clear, front-facing portrait with the face clearly visible. Good lighting is essential. The subject should have a neutral or natural expression - extreme expressions may produce unexpected results. High-resolution images give better quality output.
What audio quality is needed?
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Use clear speech recordings without heavy background noise or music. WAV provides best quality, but MP3 works well too. Natural speaking pace and clear enunciation produce the most realistic lip sync results.
How many clips should I use?
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Match clips to your audio length. Each clip is ~3 seconds, so a 30-second audio needs about 10 clips. Using fewer clips than needed will truncate your video; using more creates extra animation time.
What does the prompt do?
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The prompt guides the avatar's behavior and scene context. It influences gestures, expressions, and overall animation style. Detailed prompts like 'confident speaker with subtle hand movements' produce more tailored results than generic descriptions.
What are the acceleration options?
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'None' gives the highest quality with full detail. 'Light' slightly speeds up generation with minimal quality loss. 'Regular' and 'High' progressively trade quality for speed - useful for previews or when rapid iteration is needed.
How long does generation take?
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Generation time depends on the number of clips and acceleration setting. Typical times range from 30 seconds for short videos with high acceleration to 3+ minutes for longer videos with no acceleration.
What is the output format?
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Live Avatar outputs MP4 video files with synchronized audio. The video maintains the original audio quality and adds the generated visual content with smooth frame transitions.
Can I use this for commercial projects?
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Yes, you can use generated videos commercially provided you have rights to the source image and audio. This is ideal for marketing videos, training content, presentations, and business communications.
How much does Live Avatar cost?
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Pricing is 2 credits per second. A 10-clip video (~30 seconds) costs 60 credits. This credit-based system lets you scale usage based on your content needs.
What makes a good prompt?
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Include the setting, character demeanor, and gesture style. Examples: 'A professional presenter speaking calmly with minimal gestures' or 'An enthusiastic spokesperson with expressive hand movements.' Be specific about the mood and energy level.
Can I generate long videos?
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Yes, by increasing the number of clips you can create videos over a minute long. 20 clips produces approximately 60 seconds. For longer content, consider breaking it into segments.
Pricing
Credit-based pricing
Technical Specifications
| Model | Live Avatar |
| Input Image | JPG, PNG, WebP |
| Input Audio | WAV, MP3 |
| Clip Duration | ~3 seconds |
| Frames per Clip | 48 (default) |
| Clips Available | 5, 10, 15, 20+ |
| Acceleration | None, Light, Regular, High |
| Output Format | MP4 |
| Processing Time | 30-180 seconds |
| Prompt Length | Up to 500 characters |