Movie vs DV stream

My QuickTime movies stop and stutter (in QuickTime AND Keynote). But, if I export the movies as a DV stream, they play back perfectly. Since Keynote can use DV streams, I have a solution to my problem. But can anyyone telll me why this difference should occur?

The stutter may be caused by the number of audio clips in the project. Lots more here:
http://discussions.apple.com/thread.jspa?messageID=2597033#2597033
Karl

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Confirming no loss of quality on export "Movie to DV Stream"?

This may be a very dumb question, but before I spend a lot of time on this, I wanted to confirm there is NO loss of quality.
From a DV file (imported form my DV camera) if I choose a portion of it in Quicktime and export using the feature "Movie to DV Stream" there is no loss of quality from the original DV file right?
I am working on an iMovie project, opening the original LONG DV files into Quicktime and pulling shortened clips from them to import into iMovie, so as not to import the whole thing.
Before I spend time doing this for my entire project, I want to make sure there is no loss of quality from my original DV footage.
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export using the feature "Movie to DV Stream" there is no loss of quality from the original DV file right?
There will be loss of quality if you export via iMovie's expert settings! The video is deinterlaced and the embedded timestamp is lost!! This is an old bug.
http://www.sjoki.uta.fi/~shmhav/iMovieHD_6_bugs.html#expertsettings
To preserve the original quality you must therefore always remember to export via the Full Quality preset instead.

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It's very hard to describe but whenever there is a fast Zoom or Pan shot the image flickers for around half a second. It seems to happen every 20 seconds or so, this has only been the case since the latest update of ATV2.
I purchased Tron Legacy (HD) from the iTunes store and it occurs when playing that movie. It also happens on all my self generated HD contect.
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http://www.squared5.com
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I have streaming set up on X 10.3 server. It has worked fine in the past (initially 1 1/2 years ago) and the files I had streaming then will still stream.
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MOV files not streaming to ATV

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They would work on the newer model as well as having the ability to airplay directly from the iPod. I have posted the compatibility for the 1st ATV
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MOV files not streaming

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do the files fall within the limits of video (below).. play in iTunes and Quicktime do not guarantee the file will play on appleTV.. appleTV has limits on files since they need to be access via streaming over wireless in many cases, so it makes sense to set some limits on files size, data rate etc..
*Video formats supported*
*H.264 and protected H.264 (from iTunes Store):* Up to 5 Mbps, Progressive Main Profile (CAVLC) with AAC-LC audio up to 160 Kbps (maximum resolution: 1280 by 720 pixels at 24 fps, 960 by 540 pixels at 30 fps) in .m4v, .mp4, and .mov file formats
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Hi,
but I can not get it to stream to me.
Try restarting your iPad. Press and hold the Sleep/Wake button until the red slider appears. Slide your finger across the slider to turn off iPad. To turn iPad back on, press and hold the Sleep/Wake until the Apple logo appears.
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Movie vs DV stream

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