> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.kumullus.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to stretch your audio overlays

You can now adjust the speed of your audio overlays in the blink of an eye 🎛️  
Speed up, slow down, and perfectly synchronize a **voice-over, music track, or sound effect** with your video.  
No more timing issues — everything aligns down to the millisecond for a flawless result!  

# How to Speed Up or Slow Down an Audio Overlay (Stretch)

To use this feature, hold down the **Shift** key and drag your mouse over your **audio overlay** to lengthen or shorten it.  

Once the speed is adjusted, an **indicator** will display the **current speed multiplier**. You can then select a **preset speed** or **return to the original speed** with a single click.  

![How to use audio stretch](https://storage.crisp.chat/users/helpdesk/website/-/6/c/d/1/6cd1eb32c6ece00/stretch-audio_13tktw0.gif)