transitions shrinking clips???

This is a new one for me as I have worked with iMovieHD for some time. I was re-working an older project that I completed 2 years ago--updating, adding new shots, etc.... Mostly, the work was added to the end, so nothing I had previously done was touched.

At the last minute, I thought "I have time to clean up the older section with some nice effects and transitions." So, I started adding transitions and was about 15 minutes into my movie (starting from the start) when I noticed that all of a sudden, my music bed was no longer correct. At first I didn't "get it," but eventually I noticed that the portion of the movie I had worked on was now significantly smaller, like about 30 seconds.

After rooting around, I came to the conclusion that the transitions had, for some mysterious reason, shrunk the clips.

So, my questions are:

--am I correct--do the transitions shrink the clips some?

--what can I do if I wish to add transitions yet keep the clips and the music connected? Using the "lock audio" did not work since the problem was the overall length of the section that had been tied to one specific music bed was now shorter.

Obviously I can go backwards (and did some) and delete transitions, but I really wanted to include this work if possible. But I can't shrink the music and specific parts of the music were tied to specific spots in the movie.

Ideas?

Posted on Jun 6, 2009 6:53 AM

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5 replies

Jun 6, 2009 9:28 AM in response to Carl Creasman1

Lets say you have two clips of 10 seconds each. Your total time line therefore is 20 seconds. Then you insert a 2 second cross-dissolve transition between them. To build the transition and blend the two clips iMovie will need to "steal" two seconds from each clip, and overlap those two-second segments to create the blend. That shortens the time line by two seconds. Thus your time line now is shortened from the original 20 seconds down to 18 seconds because of the two second overlap. (Each clip will be shown to be 8 seconds in duration for a total of 16 seconds, but the time line is not shortened by 4 seconds, but only by 2 seconds because the 2 second segments are overlapped and not stood end to end.) But with Fade in, Fade Out, and Overlap transitions iMovie is not blending anything and so there is no overlap to shorten the time line. I hope that I have explained it clearly.

Jun 6, 2009 10:26 AM in response to Rich839

Wow--what a great explanation. I get it perfectly. Of course my error was in doing transitions AFTER I put the music bed in! And since I had made it all very specific to the music, well that made it worse.

Live and learn--now I see what I should do differently. Of course, most of the time when I do iMovie now, I use the newer version so its altogether different.

Thank you for making it all very, very clear.

Message was edited by: Carl Creasman1

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transitions shrinking clips???

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