iMovie HD 6: Static in transitions using MPEG-4 project

Issue or symptom

Audio may be missing or static may be introduced when adding transitions or effects (such as Reverse) to an MPEG-4 or iSight-based iMovie project.

Solution

Remove the existing transition or effect, extract the audio from the affected clips, and reinsert the transition or effect.

1. Select the transition that caused this issue and press the delete key to remove it.
2. Select the clip or clips that will be used to build the transition or effect.
3. From the Advanced menu, choose Extract Audio. (The extracted audio appears as a separate clip in the audio track of the timeline viewer).
4. Reinsert the transition or effect.