How shall I do to add background music into the output video?
We offered this function in our program. First, please highlight the file you need and click ‘Effects’ button to enter ‘Effect’ window. Then you need do: 1. Click ‘Audio’ tab to enter ‘Audio’ setting page. 2. Click ‘Add Audio Track’ button to add audio tracks into the list. 3. Then, choose the wanted one from the list as the background music for the video. 4. You can also set the play mode as ‘Loop’ or ‘Play Only Once’.