Best setup for playback of video in Keynote?

I use keynote on a daily basis and find inserting video elements can cause sputtery playback and even flash frames?!! which can be a bit of a problem on a 14meter screen!!
What is the ideal set-up for playing back video in keynote? I see that the video plays fine in quicktime but as soon as you inbed in keynote you get splutters and the odd flash frame.
Is there a recommended codec - max size/dimensions - prefured system configuration - hardware recomendations... I see I'm not the only one to have these problems...
Keynote is a great advancement over powerpoint and should be developed further, even a “designer” edition with more complex design/motion features for us that would like to push the bound’s…. THINK AFTER EFFECTS...
Thanks,

I had this problem and it drove me batty. Went to Apple store and 'stumped the stars' with the issue. We tried changing compression to make video smaller, etc to no avail. Sometime video would even lock up.
I found the solution on this discussion board. Can't recall who to thank. I put the Keynote on an external drive to my MacBookPro. Now it worked much better. Occasionally I will get a short milli-second flash, but no sputtering or no locking up. So I just carry a 80GB external drive with me with my lecture on it an it works great. If you figure out how to get rid of the random flash let me know, on your 14 meter screen it will look like a nuclear test!
I think what happens when you drive an external projector, in addition to showing the instructors version on your MBP, it is simply too much for either RAM or hard drive to deal with fast enough. So when you put the presentation on an external drive it takes that load off your internal drive. Maybe that is not what really happens but sort of sounds logical. Let me know if it works for you, and let me know if you get (and later solve) the random flash

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NAS is the right tool for this job.
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Edit very large files on the computer. ie copy to computer.. edit.. copy back to the NAS.
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Don't skimp.. spending a $1000 for a NAS with disks.. plus extra for the backup disks.. that represents how many day's work for you plus anyone you have helping.. $$$$ ????
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Rick may be right because although i didnt think of it before i tend to have notoriuosly long classnames for my php classes and i have used samba on occasion (when rsync is out of the question for one reason or another) and never had a problem. I use kubuntu (feisty at the moment )with an ext3 filesystem. if i have a chance this evening ill give it a try and see what happens.
You could also possibly use FUSE to use an ssh filesystem for the shares... i don tknow how that would figure in your back up though.
Also if worse comes to worse you could tar or dmg the the necessary files... just some thoughts.
Ill be interested to know what you end up implementing....
OH one last thought... Compile Darwin from source and use that as your server

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Message was edited by: sfandtheworld

Thanks for the advice and the links. yes, I would like to speed up ps as much as possible.
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bsbiran wrote:
Hi,
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http://www.macworld.com/article/157414/2011/02/mybackupplanlex.html
http://www.macworld.com/article/156643/2011/01/howi_back_up_frakes.html?lsrc=top1
http://www.macworld.com/article/141363/2009/07/backup.html
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I completely understand.
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Thanks for that tip,
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