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

# Audio

### **1. Adding Background Music to Your Velo**

Open the **Audio** panel from the right sidebar. Enable the **Background
Music** toggle to turn on background music for your video.

* Velo provides a built-in library of tracks you can preview and
  select.

* Custom music uploads are not currently supported - you can only
  choose from the pre-built library.

<img src="https://mintcdn.com/velo/I9xX2ufexVfsvzZG/images/editing-velo/audio/1.png?fit=max&auto=format&n=I9xX2ufexVfsvzZG&q=85&s=aee03424bf5033471fc5f22110be660a" alt="Description" width="1439" height="899" data-path="images/editing-velo/audio/1.png" />

### **2. Adjusting the Master Volume**

The **Master Volume** slider controls the overall loudness of your
entire project, affecting all audio layers simultaneously.

* Slide right to increase the overall volume.

* Slide left to reduce it.

<img src="https://mintcdn.com/velo/I9xX2ufexVfsvzZG/images/editing-velo/audio/2.png?fit=max&auto=format&n=I9xX2ufexVfsvzZG&q=85&s=28e375247d0066cfe075ae6b9475c91c" alt="Description" width="1439" height="899" data-path="images/editing-velo/audio/2.png" />

### **3. Adjusting the Narration Volume**

The **Narration Volume** slider lets you independently control how loud
your AI voice clone sounds relative to other audio in the video.

* Increase it if your narration feels too quiet compared to the
  background music or system audio.

* Decrease it for a more subtle voiceover effect.

<img src="https://mintcdn.com/velo/I9xX2ufexVfsvzZG/images/editing-velo/audio/3.png?fit=max&auto=format&n=I9xX2ufexVfsvzZG&q=85&s=303950aafd1e18dc05a052040e62ed91" alt="Description" width="1439" height="899" data-path="images/editing-velo/audio/3.png" />