2. Flip PDF is easy-to-use flip book
maker. It provides many features to
you to control your books. You can
easily import a piece of beautiful
music to the eBook can play it as
background sound.
Introduction
3. Steps to make it
Find Sound item in the left design setting panel:
Make “Enable Sound” “Enable”;
Import mp3 music in “Sound File”;
Set “Sound Loops” (Sets -1: Plays background music
all the time. Sets N (N>0): Plays N times then stop.)
4. Steps to make it
A sound on/off button will show in the toolbar. Readers can turn
off the sound by themselves when necessary.