> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pads4.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Fading properties

These properties control the **fade in and fade out effects** for the **sound** of a video or audio file.

***

## **Fading Effects**

### **Fade In**

* Defines the **duration (in seconds)** at the **start** of the media file.
* The **volume gradually increases** from **zero** to the **defined volume level**.

### **Fade Out**

* Defines the **duration (in seconds)** at the **end** of the media file.
* The **volume gradually decreases** from the **defined volume level** to **zero**.

***

## **Remarks**

* **Fading effects** depend on the **volume settings** of the element.
* If the **volume is set to zero**, the fading effect will have **no audible impact**.
* Works with **both video and audio** files.