> For the complete documentation index, see [llms.txt](https://help.voiceout.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.voiceout.app/introduction/enable-custom-voices.md).

# Enable Custom Voices

Voice Out lets you integrate high-quality custom voices from a variety of providers, including Amazon Polly, Google Wavenet, IBM Watson, Nvidia Riva, OpenAI, and Azure. Follow this guide to configure custom voices and enhance your text-to-speech experience.

**Step 1: Navigate to Voice Settings**

1. Open Voice Out and go to **Settings** (refer to the screenshot for guidance).

<figure><img src="/files/2rKmebAEbkWRP4uU32Be" alt=""><figcaption></figcaption></figure>

2. Under **Voice**, scroll down to Additional Voices and click on **Enable Custom Voices**.

<figure><img src="/files/yMfFQgXIuV8t2xGabX9q" alt=""><figcaption></figcaption></figure>

**Step 2: Configure Custom Voices**

Depending on your preferred provider, input the necessary credentials to enable the voices. Here’s a breakdown of the options available:

* **Amazon Polly Voices**\
  Enter your AWS credentials:
  * Access Key ID
  * Secret Access Key
* **Google Wavenet Voices**\
  Enter your GCP API Key to enable Google Wavenet voices.\
  Optionally, you can include **Google Studio voices**, but be mindful of the higher cost (10x).
* **IBM Watson Voices**\
  Enter the following to enable IBM Watson voices:
  * API Key
  * URL
* **Nvidia Riva Voices**\
  Enter the URL of your **Riva TTS proxy server** to enable Nvidia Riva voices.
* **OpenAI ChatGPT Voices**\
  Enter your OpenAI API Key to enable ChatGPT voices.\
  You can also provide an optional API URL if you are using a custom endpoint.
* **Microsoft Azure Voices**\
  Enter the following credentials to enable Azure voices:
  * **SPEECH\_REGION**: The Azure region where your speech services are hosted.
  * **SPEECH\_KEY**: Your Azure Speech API key.

**Step 3: Customize Your Text-to-Speech Experience**

After enabling custom voices, return to the **Voice** menu and select the custom voice you want to use. You can further adjust settings like **speed**, **pitch**, and **volume** to tailor your listening experience.