Making a Movie in iMovie HD and iDVD 5: Visual QuickProject Guide

Extracted audio clips automatically lock to their video clips to keep the audio and video synchronized.

To free the extracted audio, click the audio clip and choose Unlock Audio Clip from the Advanced menu.

Lock icons removed

Now you can move the audio clip independently. This is helpful when you want to add the background noise of one video clip to another clip in order to maintain a consistent audio evironment.

After repositioning the clip, choose Lock Audio Clip at Playhead from the Advanced menu. As you edit other clips in the movie, the audio remains attached to this new position.