How to Sync Audio & Video on a Mac iMovie

Updated February 21, 2017

There is nothing worse than an out of sync audio and video in iMovie. Thankfully, the issue is fixable by extracting the audio from the project and re-adding it, according to Apple. In addition to audio extraction, your iMovie application might require a software update to correct software errors that might have caused the synchronisation issue between the audio and video.

Click "Go" and "Applications" on your Mac's desktop menu. Double-click "iMovie" or "Control" and click the application's icon.

Click "File" and "Import Movies" in iMovie. Click the movie and click "Choose."

Click the iMovie file and "Advanced" on the iMovie menu. Click "Extract Audio."

Select the audio file, and click "Edit" on the menu. Click "Trim to Selection" and trim the audio clip to sync up to the video clip.

Click "File" and "Save."


Click "Apple" and "Software Update" to update your iMovie application.

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