Go to the File menu
Click Preferences
Go to the Audio tab
Fill in your Speech Key, Region, and Voice Name for your Azure Cognitive Services Speech Service
You can now close the preferences window and use audio generation
You can change the Voice Name at any time. To preview and choose voices, please visit https://speech.microsoft.com/portal/voicegallery
You will now see a new button is available in the Audio Recording Window. Clicking this will generate audio for you based on the text in the step
The audio generation button will also be available in the scene editor for the video output