EchoMimic V3
Generate realistic talking head videos by combining a portrait image with an audio reference. Features fine-grained control over guidance scale, frame count, and negative prompts.
Quick Start
curl -X POST https://api.eachlabs.ai/v1/prediction \
-H "Content-Type: application/json" \
-H "X-API-Key: $EACHLABS_API_KEY" \
-d '{
"model": "echomimic-v3",
"version": "0.0.1",
"input": {
"image_url": "https://example.com/portrait.jpg",
"audio_url": "https://example.com/speech.mp3",
"prompt": "A person speaking naturally with realistic expressions",
"guidance_scale": 4.5,
"audio_guidance_scale": 2.5
}
}'
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
audio_guidance_scale |
number | 2.5 |
The audio guidance scale for the video generation |
audio_url |
string | (empty) | The URL of the audio to use as a reference |
guidance_scale |
number | 4.5 |
The guidance scale for the video generation |
image_url |
string | (empty) | The URL of the image to use as a reference |
negative_prompt |
string | (empty) | The negative prompt for the video generation |
num_frames_per_generation |
integer | 121 |
The number of frames to generate at once |
prompt |
string | (empty) | The prompt for the video generation |
seed |
integer | (empty) | The seed for reproducible generation |
Output
- Type: video
Examples
Professional Speaker
{
"model": "echomimic-v3",
"version": "0.0.1",
"input": {
"image_url": "https://example.com/business-headshot.jpg",
"audio_url": "https://example.com/presentation.mp3",
"prompt": "A professional speaker presenting clearly",
"negative_prompt": "blurry, distorted, low quality",
"guidance_scale": 5.0,
"audio_guidance_scale": 3.0,
"num_frames_per_generation": 121
}
}
Animated Character
{
"model": "echomimic-v3",
"version": "0.0.1",
"input": {
"image_url": "https://example.com/character-art.jpg",
"audio_url": "https://example.com/voice-line.mp3",
"prompt": "An animated character speaking with lively expressions",
"guidance_scale": 4.0,
"audio_guidance_scale": 2.5,
"seed": 42
}
}
Related Models
- Kling V1 Pro AI Avatar - Pro-tier AI avatar generation
- LatentSync - Lip sync for existing videos
- Bytedance OmniHuman - Audio-driven human video