How to Add Audio
After importing pages from PDF, you can turn to the page you
want to add audio, then click "Add Audio" button to add an audio to
the current page.
clicking "Add Audio" button, you will be prompted to select audio
file you want to add into current page.
After selecting audio
file, you will see the following interface:
In this interface, you
are allowed to determine the audio to be placed on which page.
After you finish the selection and click "OK" button, you will see
this icon displaying on the left top coner
of the page you selected.