Within the Settings tab of the Envision App, you can adjust the voice of the screen reader for the app. Speech-related settings are only for non-VoiceOver speech, like results on Describe Scene, Instant Text or Scan Text. This will not affect the VoiceOver speech. There are two ways to change the speaking rate. You can do this directly on the Reader Preferences on the Reader of Scan Text, or on the Settings tab. This article contains the following: 

1. How to change Voices from the Reader Preferences tab?
2. How to change Voices from the Setting tab?

How to change voices from the Reader Preferences tab?

If you have already scanned a document and you wish to adjust the speaking rate, you can do it by following the steps below:

Step 1: Go to the Reader Settings button and do a one-finger double-tap. A pop up window will appear.

Step 2: On this pop up, go to the Voices button and do a one-finger double-tap. This will take you to a new window with a list of languages where you can choose the voice of your preference. 

How to change voices from the Setting tab?

Step 1: Open the Envision App and go to the Settings tab.

Step 2: Go to the Speech button and do a one-finger double tap. A new screen will open.

Step 3: On this screen go to Voices and do a one-finger double-tap. This will take you to a new window with a list of languages where you can choose the voice of your preference. 

You can also adjust the speed rate for the speech related to the app. For more information, see Change Speaking Rate