Feel free to add background music, even though there are audio files in the original PowerPoint. Because this program can combine newly added music files with the original video and audio for conversion in order. It also allows you to check to ignore the original audio files for conversion.
This FAQ is about: Frequently Asked Questions, PowerPoint to DVD Pro, PowerPoint to DVD Standard, PowerPoint to FLV Converter, PowerPoint to iPad Converter, PowerPoint to Video Pro, PowerPoint to YouTube Converter