Flip PDF Plus allows you to create online books with sound and animation.
Just follow these steps below:
1. Click [Assistant] tab on the sidebar, select an assistant role.
2. Choose the page that you want to add audio and text.
3. We offer two options to add audio:
(1) Convert Text to Speech
Enter the text in the box. > Choose to whether show captions or not. > Choose a voice engine. > Generate into audio.
(2) Upload MP3
Choose and import a *.mp3 file> Choose to whether show captions or not. > Enter text in the box to add captions.
4. After adding audio for all the pages, you can choose [Auto Flip after Play Audio] or [Manually Flip after Play Audio]
You can show or hide the voice assistant in the preview window.