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

# Ltx2 Pro Audio-to-Video

> Generates video driven by audio input, optionally guided by image or prompt.

Generates video driven by audio input, optionally guided by image or prompt.

**Model**

```bash theme={null}
ltx-2-pro-audio-to-video
```

## Inputs

### Required

* **audio / audio\_url (AUDIO or STRING)**\
  Audio input file (2–20 seconds).

### Optional

* **prompt (STRING)**\
  Text guidance for scene generation.
* **image / image\_url (IMAGE or STRING)**\
  Optional first-frame visual reference.
* **resolution (STRING, default: 1920x1080)**\
  Output resolution.
* **guidance\_scale (FLOAT, default: 5)**\
  Strength of prompt adherence.

## Outputs

* **video (VIDEO)**\
  Generated video.
* **video\_url (STRING)**\
  Public video URL.
* **file\_path (STRING)**\
  Local saved file path.