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

# Add audio to video

> Easily add background music, sound effects, and narration to your videos.

A feature that adds audio files you've created with Carat AI or already have to specific points in your video.

## How to use

There are two main ways to add audio to a video.

#### Generate new audio then add

<Steps>
  <Step title="Generate audio">
    First create audio using [Audio features](/en/features/audio/text-to-speech) (background music, TTS, etc.).
  </Step>

  <Step title="Request audio addition">
    Once the audio is generated, make your request in the Chat.

    ```text theme={null}
            Add the background music I just made to the video
    ```
  </Step>
</Steps>

#### Upload existing audio file

<Steps>
  <Step title="Upload audio file">
    Upload an audio file (MP3, etc.) to the Chat.
  </Step>

  <Step title="Request audio addition">
    Once the audio is uploaded, make your request in the Chat.

    ```text theme={null}
            Add this audio file to the video
    ```
  </Step>
</Steps>

<Tip>
  You can layer multiple audio tracks like background music and narration (TTS) to create richer sound.
</Tip>