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What's the secret to compressing video for iPad?

537 Views 3 Replies Latest reply: Feb 13, 2013 5:44 AM by Skydiver119 RSS
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Jan 27, 2013 7:57 PM

If I "share" or export a 1080p H.264 video to my iPad from the Quicktime player, the resulting file is larger than the original. That doesn't make any sense as the screen on my iPad has fewer pixels than a 1080p TV screen. It must be producing a video with a higher bit rate than the original. When I "share" or export from Quicktime to iPad I have no control over frame rate or bit rates for either video or audio. I would like to export videos to iPad that have "reasonable" file sizes. I've tried exporting to MPEG-4 with Quicktime Player 7 because it will let me specify video frame rates and bit rates and also audio bit rates. But what I produce, iTunes won't synch with my iPad. I get an error message telling me that the video can not be played on the iPad. What is the secret? Are there maximum frame rates, maximum dimensions, maximum bit rates, limited codecs that the iPad can play? If so what are they? Is there a reference for this information somewhere?

27" iMac

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