MCSMN Blog

March 3, 2011

Social Media 155: Solving iMovie Audio Sync Problem

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Sync problems between audio and video in iMovie have gotten significant discussion on the Web. After one individual had almost completed his 40-minute video project, he reviewed it in the iMovie browser. When he was satisfied with his editing, he exported the video. However, the exported video file had a significant problem: the video and the audio were out of sync.

That's really a problem when you have tight shots of people talking.

We have run into this same problem several times. We tried everything from exporting the video in different formats to deleting all the video transitions, to no avail. Simply put, the words were still not moving directly in-line with the person's mouth.

This problem found with certain iMovie editions seems to have a relatively simple, although still slightly annoying, solution. Simply click on each specific clip and separate the audio from the video, by clicking on "Detach Audio".

Depending on the iMovie edition, a purple line may appear underneath that specific video file, indicating the separation of video and audio. This must be done to each video file in the project.

This solved the problem for us. Simply export again and hopefully you will not find any sync issues.

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