How do I add audio files to each page of language teaching book?

If I had a 200 page language teaching PDF with sound files on each page, is there a limitation to how many pages I can add audios?

There is no page limitation on how many pages you can add audios in Flip PDF Professional both PC and Mac versions. It's very easy for you to add videos to different pages of your books:

1. Start Flip PDF Professional or Mac version in your computer;
2. Import PDF file, click "Edit Page" button to enter into page editing interface, click "Add Sound" icon to draw sound box on pages, then select sound file from your computer, you can play sound when click "Play" button, or start when enter the page;
3. Save and exit, and then Convert to Flipping Book in your wanted format, then you will get the book with audios added on every page.

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