If you've imported music or audio files, you can add them to your movie as background music or sounds.
If you have a microphone connected to your PC, you can add audio narration to video clips. Your narration is synchronized with the video automatically, so the narration describes the action in your movie as it plays.
To add audio:
1. Choose View > Timeline.
2. In the Collections pane, click the collection that contains the audio clip that you want to add to your project.
3. Drag the clip from the Contents pane to the timeline's Audio/Music track (Figure 11.15 ).
video's audio track.) You can add video clips to the Audio/Music track if you want the audio, but not the video, to play in your movie.
To narrate the timeline:
1. Choose View > Timeline.
2. Move the timeline's playback indicator (the square with a vertical line; refer to Figure 11.15) to an empty point on the Audio/Music track where you want to begin your audio narration.
3. Choose Tools > Narrate Timeline (Figure 11.16 ).
4. Click Start Narration; then speak into the microphone to narrate the movie as it progresses.
5. Click Stop Narration.
6. Save the file.
Tips
Right-click an audio clip to adjust its volume levels or to delete it.