> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.smartshort.co/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).

# Voice

An in-depth guide on how to use **Voice** tab: ![Voice tab](https://storage.crisp.chat/users/helpdesk/website/8b5ec43d2a95a000/image_myallg.png)

After clicking on Voice tab you will see a few things on the left side:

1. **Text field & Generate speech button**: 

![Text field & Generate speech](https://storage.crisp.chat/users/helpdesk/website/8b5ec43d2a95a000/image_1qw5lbv.png)

* In the text field you can modify the text of your voice-over in case of any error or if you would just like to add or remove something.
* By clicking the **Generate speech** button you will apply the new changes to your video (on how to change voice continue reading).

2. **Voice selection** (click to toggle):

![Voice selection](https://storage.crisp.chat/users/helpdesk/website/8b5ec43d2a95a000/image_17hofcm.png)

* Clicking on the voice toggles a dropdown menu in which you will be able to change the voice for the selected segment of the video.
* To apply the new voice simply select it and click on **Generate speech**.

3. **Preview button**:

![Preview](https://storage.crisp.chat/users/helpdesk/website/8b5ec43d2a95a000/image_1snf2cs.png)

* Clicking on the preview button lets you listen to the preview of the voice-over for the selected segment of the video.

4. **Voice generation credits**:

![Voice credits](https://storage.crisp.chat/users/helpdesk/website/8b5ec43d2a95a000/image_1xexnlh.png)

* This field lets you know how many extra voice generations credits you have (this is depending on the subscription plan and it renews monthly).
* Cost of new voice generation credits is 0.1 each.

**!NOTE** - You are able to modify **Voice** with **Timeline** as well - check [TIMELINE](https://help.smartshort.co/en/article/timeline-bsrupp/) article.



This concludes the features in the **VOICE** tab for other features make sure to check other articles!