# Creating background audio

You can create background audio for your movies. The audio plays while the slides of your movie are shown. Background audio can be music, sound effects, or almost any kind of sound you can import or record.

You can use background audio together with individual slide audio for a truly professional effect. Captivate provides an option to lower the volume of background audio when a slide with audio assigned plays. For example, you can import a music file and set it to loop continuously as background audio. In that same movie you can record voice-over narration for individual slides, and when the voice-over audio plays, the music volume is lowered.

#### To create background audio:

1. Open a Captivate project.

2. From the Movie menu, select Preferences.

3. Click the Background Audio tab.

4. Import an existing audio file by clicking Import, navigating to the file, selecting the file, and clicking Open. (If you want to use an audio file that is already in your movie, click Audio library.)

5. (Optional) Click Play to listen to the audio file.

6. Select from the following options:

Fade in and Fade out lets you set a time, in seconds, for the audio file to fade in and fade out at the beginning and end of the movie.

Lower background audio volume on slides with additional audio lets you automatically reduce the background audio volume on slides that have individual audio files assigned, such as voice-over narration.

Loop audio lets you have the background audio file replay continuously.

Stop at end of movie lets you have the background audio stop when the movie ends.

7. When you finish, click OK to add the background audio to your movie.