Jagged Verticle Edges in active Video

What can cause jagged verticle edges in moving video. I noticle the edge distortion in a high contrast verticle edge in active moving video. Is this due to a video compression setting or is it the nature of this program's ability to handle a complex scene due to it's sampling rate?

Here's a link to the screen shot showing the jagged vertical lines/ banding in a the uprights of a window frame.
http://homepage.mac.com/WebObjects/FileSharing.woa/20/wo/mjbqBNIUGW0p792X.1/0.2. 1.2.26.31.97.0.71.0.3.1.1?user=bruceandeerson&fpath=&preview=window%20frame.jpg& templatefn=FileSharing18.html#file0

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One way to to put the videos into an iDVD slideshow
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I am also experiencing this issue on Lightroom 4.x. I've isolated it down to only happening on Windows 8, but I've not been able to find a specific resolution that triggers it.
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Hello all,
let's see if I'm able to describe this problem adequately.
I have taken short video clips with, now two different camera (AVCHD used), imported into iPhoto and viewed within. During playback there are severe jagged blocks mostly around the outlines of moving subjects. If the subject stops moving this effect disappears but resumes as soon there once again is movement. This isn't even subtle, the videos are quite unwatchable.
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Cheers Argento

As a test launch iPhoto with the Option key held down and create a new, test library. Import some photos and test to see if the same problem persists. Does it?
If it does try the following:
1 - delete the iPhoto preference file, com.apple.iPhoto.plist, that resides in your
User/Home/Library/ Preferences folder.
2 - delete the contents the following folder:
User/Library/Containers/com.apple.iPhoto
3 - reboot, launch iPhoto and try again.
NOTE: For Mavericks, 10.9, go to your Home folder and use the View ➙ Show View Options menu to bring the this window:
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http://img407.imageshack.us/img407/7535/textpw2.jpg
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Its MPEG2 (.m2v) destination = SD DVD.
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Submit burn and check quality on TV.
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Jagged Verticle Edges in active Video

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