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interlacing and deinterlacing issues
Hey everyone, I’m currently doing a project in Premiere Pro CS4. My footage is coming from DV and I imported it through firewire. When I was in the capturing screen, I noticed lines when there was motion (at this point I did not realize it was because the footage was interlaced until a quick internet search). So to fix it I made a new project with custom settings. I kept all of the default settings the same as DV interlaced but changed interlaced to progressive. This fixed the problem and I didn’t have issues between switching between wide screen and 4:3 footage (while reading another post on here I read to properly resize image ratios it must be progressive). After reading some posts though it seems like I should have had to do more to fix the problem, and now what I am concerned about is if I’m eventually exporting to DVD with my progressive project, will I run into any issues because of the way my project was originally set up? I also am going to be adding graphics such as lower thirds and the clients logo, but that’s more of an aftereffects export settings issue, correct? Thanks for your time everyone.
-Mark
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2 Replies
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Hi Mark,
The issue you’ve encountered with “lines” on the computer screen is due to the fact that computer displays are non-interlaced, but the video you were capturing IS interlaced, so the interlacing lines show up.
While I understand that this visual anomaly would be disconcerting if you did not understand it, switching to “progressive” is not the answer. The “lines” you were seeing would not be there when viewing the final DVD on a TV set. In other words, you fixed a problem that didn’t really exist.
You also mentioned something about not being able to mix 4:3 with 16:9 unless they were progressive, and that is off base as well, has nothing to do with it.
Glad to help if you have any other questions
Jeff Pulera
Safe Harbor Computers -
Thanks you for the help and explanation Jeff.
-Mark
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