> ## Documentation Index
> Fetch the complete documentation index at: https://docs.wrldwide.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# 数字人

> 从照片生成实时说话数字人

# Live Avatar

Create real-time talking avatars from a single photo. Upload a portrait and audio to generate a video of the person speaking.

**Credit Cost:** 8-16 credits (quality-dependent)\
**Speed:** 2-5 minutes\
**Model:** Kling 2.6 AI Avatar

***

## 使用方法

<Steps>
  <Step title="Go to Live Avatar">
    Navigate to [app.wrldwide.ai/live-avatar](https://app.wrldwide.ai/live-avatar)
  </Step>

  <Step title="Select Quality">
    Choose quality level:

    * **Standard** — 8 credits, faster generation
    * **Pro** — 16 credits, higher quality
  </Step>

  <Step title="Upload Photo">
    Upload a clear portrait:

    * Front-facing preferred
    * Good lighting
    * High resolution
  </Step>

  <Step title="Upload Audio">
    Upload audio file:

    * Clear speech
    * MP3, WAV, M4A supported
  </Step>

  <Step title="Generate">
    Click **Generate** and wait 2-5 minutes
  </Step>

  <Step title="Download">
    Download your talking avatar video
  </Step>
</Steps>

***

## Standard vs Pro

| Feature      | Standard               | Pro                        |
| ------------ | ---------------------- | -------------------------- |
| **Cost**     | 8 credits              | 16 credits                 |
| **Quality**  | Good                   | Excellent                  |
| **Speed**    | Faster                 | Standard                   |
| **Best For** | Testing, quick content | Premium work, final output |

***

## 使用场景

### Marketing Videos

* Spokesperson videos
* Product announcements
* Brand messaging

### Training Content

* Employee training
* Tutorial videos
* Onboarding content

### Personalized Messages

* Custom greetings
* Client communications
* Scaled personalization

***

## 提示

<Tip>
  **Start with Standard:** Test with Standard (8 credits), then use Pro (16 credits) for final output.
</Tip>

<Tip>
  **Consistent Character:** Use same photo across multiple videos for consistent brand character.
</Tip>

***

## 下一步

<CardGroup cols={2}>
  <Card title="Lip Sync" icon="microphone" href="/cn/features/lip-sync">
    Alternative lip sync tool
  </Card>

  <Card title="UGC Video Ads" icon="video" href="/cn/features/ugc-video-ads">
    Create UGC-style videos
  </Card>
</CardGroup>