---
title: "Online Course: Text-to-Speech Narration"
slug: "online-course-text-to-speech-narration"
updated: 2024-07-17T15:17:06Z
published: 2024-07-17T15:17:06Z
canonical: "support.smarteru.com/online-course-text-to-speech-narration"
---

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

# Online Course: Text-to-Speech Narration

Text-to-speech is a feature where [narration provided for the course's content slides](https://support.smarteru.com/v1/docs/content-slide-audio#adding-or-editing-a-content-slides-narration) is converted to spoken audio. This is useful for learners who are visually impaired or have difficulty reading text. When learners take the course, they'll have the option to [play audio of the narration or view the narration's text](https://support.smarteru.com/docs/learner-interface-course-content-slides#playing-and-viewing-narration).

The text-to-speech narration settings for a course control the automated narration. These online course settings are located in the Text-to-Speech Narration accordion of the Course Information workscreen which displays when you [add](/v1/docs/adding-an-online-course) or [edit](/v1/docs/editing-an-online-course) a course.

![Text to Speech](https://cdn.document360.io/7efaadab-fef6-4186-806a-2ca14c9ce9ea/Images/Documentation/online-course-text-to-speech-narration-image-cu3qy8kf.png)

This section is only displayed if the [account's **Enable Text-to-Speech** setting](/v1/docs/account-settings#enable-texttospeech) is checked. The settings specified are used throughout the entire course.

## Settings

Be sure to click **Save** after changing these settings.

### Voice

Select the voice you would like to use for narration.

### Effect

Unless it is absolutely necessary, we do not recommend applying an effect. If you choose to select an effect, only one effect can be used for the entire course.

To apply an effect to the voice, select the effect from the list. The available options are:

- None - no effect is applied to the selected voice
- Duration - how fast/slow the text is spoken
- Pitch - how high/low the voice sounds
- Speed - similar to duration, it affects how fast/slow the text is spoken
- Robotic - causes an echo-y effect
- Time - depends on the selected Effect Level

### Effect Level

This setting is only available if you've selected an [effect](/v1/docs/online-course-text-to-speech-narration#effect) other than *None*. Select the effect level from the list.

| Effect | Effect Level |
| --- | --- |
| Duration | Ranges from: - 3: causes the speech to be slower - -3: causes speech to be faster |
| Pitch | Ranges from: - 3: causes voice to be higher - -3: causes voice to be deeper |
| Speed | Ranges from: - 3: causes the speech to be faster - -3: causes the speech to be slower |
| Robotic | Bullhorn is the only option. |
| Time | Options include: - Echo: causes an echo in the speech - Reverb: causes a lingering sound similar to a loudspeaker - Flanger: causes a bouncy sound - Phase: causes a crackly, almost robotic, sound |

### Preview

Listen to the selected voice and effect.

## Related

- [Account: Settings](/account-settings.md)
- [Adding an Online Course](/adding-an-online-course.md)
- [Adding Content to an Online Course](/adding-content-to-an-online-course.md)
- [Content Slide: Audio](/content-slide-audio.md)
- [Editing an Online Course](/editing-an-online-course.md)
- [Learner Interface: Course Content Slides](/learner-interface-course-content-slides.md)