Converting the text typed into the Slide Notes panel to speech is not difficult. All you need to do is choose the note(s) to be converted, assign a speech agent to each note, and generate the audio file:
- Make sure you are on slide 3 in the Chapter03/takeTheTrain.cptx file.
- At the top of the Slide Notes panel, click the TTS checkbox to select all three notes as shown in the following screenshot:

Most of the time, you'll want to convert all the notes to speech. But, if needed, you can deselect the notes that don't need to be converted to speech.
- Click the Text-To-Speech button at the top of the Slide Notes panel ...