re-editing an mpeg video.

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Beni

Newbie Joined: Jun 03, 2008 02:53 Messages: 14 Offline

Solved by

Oct 12, 2009 23:29

I have a video in mpeg format which I have edited in the past. Now I would like to do some further editing on it. The locations of the original raw avi files that I used for this video have changed so I cannot upload the project and continue to edit from the point where I produced the last version of that video. If I use now the mpeg video file as a source for editing, will the result movie be in a reduced quality compared to re-editing the original avi files which would take me much longer?
Thanks

JL_JL

Senior Contributor Location: Arizona, USA Joined: Oct 01, 2006 20:01 Messages: 6091 Offline

Oct 12, 2009 23:47

Beni,

No real loss in quality IF your produced mpeg is of the same quality that you plan to produce to again. For instance, if initially you took your avi files and produced a MPEG-2 SP file and now are reading that file in and what to create a MPEG-2 HQ file, yes you will have a loss in quality relative to the avi. (assuming your avi files initially had more quality than the MPEG-2 SP) However, if you intitally created a MPEG-2 HQ files and are now reading that in to do some edits and produce another MPEG-2 HQ file, NO loss in quality.

Often with video editing you "produce" several different sections of video and then combine all those clips into a final product with chapters and so on. It's usually desired that one produces these sections to at least the same quaility or higher than the desired finished product.

Jeff

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