For example, from the Save Exported File window, choose Movie to QuickTime Movie from the Export pop-up menu, click the Options button to produce the Movie Settings window, click the Settings button in that window, choose H.264 from the Compression Type pop-up menu (you’re welcome to use a different codec), restrict data rate to 5,000 kbps (online video services suggest a data rate between 3,000 and 5,000 kbps), and click OK to close the window. To export 720p video from iMovie ’08 and ’09, you choose Share: Export Using QuickTime, and you muck with QuickTime’s Movie Settings box. (Progressive video draws all lines in one go, so is smoother than interlaced video.) Websites that support HD video display that video in 720p-1280 by 720 pixels, progressive. This is a process that smooths out the jaggies by using one of a variety of techniques to lessen the jaggy effect of the even and odd fields.

In order to get rid of that jagginess so that the output looks good on non-TV displays, youĭeinterlace the video.

How to export imovie