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269 Views 6 Replies Latest reply: Nov 11, 2012 6:03 PM by AppleMan1958 RSS
adamkrause2004 Level 1 Level 1 (0 points)
Currently Being Moderated
Nov 10, 2012 8:16 PM

I am making a home movie of various family photos and video clips.  I am absolutely out of my mind trying to adjust the duration of transitions, photos and video clips to the correct lenghts.  It seems that EVERYTHING I do has an adverse and unpredictable effect on the transition durations.  I understand that the transition pulls frames from the media on both sides, but I swear there is a gremlin in this app.  EVERY thing I do throws off the durations of both the transitions, photos and video to the point that I cannot get this project done.  Using Ken Burns, adding a new photo, removing or adding transitions or video, changing themes, spliting clips and so on all throw it off.  I've tried setting the durations in the general settings, changing the time HH:MM:SS etc...and still end up with a mess.

     Is there a real, actual, honest to goodness method by which to make sense out of this process and have control over these durations ?  It really should not be this difficult

iMac, Mac OS X (10.7.3)
  • Karsten Schlüter Level 7 Level 7 (29,465 points)
    Currently Being Moderated
    Nov 11, 2012 1:48 AM (in response to adamkrause2004)

    the only 'issue' with durations in iM is, as you mentioned, pulling frames from clip to allow a transition. professional editors do it it different - no handles, no dissolve.

    so, for 99% consumers that automatism is fine.


    another side effect of this method:

    a transition can only have max the half length of shortest clip involved in this transition.



    clip A 5sec, clip B 10sec = dissolve max 2.15



    clip A 7sec, clip B 4sec = dissolve max 2s


  • AppleMan1958 Level 7 Level 7 (27,335 points)
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    Nov 11, 2012 4:39 AM (in response to adamkrause2004)

    In addition to what Karsten said, there is a command where you can change how this works. It only will help if your clips have extra unused frames on either side (these are called "handles" in Karsten's post above. See the portion of iMovie Help here that is titled "To Set How Transitions Overlap With Other Clips" at this link.

  • AppleMan1958 Level 7 Level 7 (27,335 points)
    Currently Being Moderated
    Nov 11, 2012 2:25 PM (in response to AppleMan1958)

    The best way to line up photos precisely with music is to use the Beat Marker feature. It is also best to avoid the use of transitions. A beat occurs at a point in time, where a transition occurs over a range of time. If you want to use transitions, I would set your photos to whatever length you want and don't worry about the beat. Your audience will probably not notice that you are halfway through the transition on the beat.


    Here is a Tutorial on the Beat Marker Feature. Scroll down past the part on Comment Markers and Chapter Markers.


    Here is a sample video that uses beat markers to keep time with music.


    You basically add your music track, add the beat markers in the Clip Trimmer by pressing M as you listen to the track wherever you want a marker. I line up the photos I want to use in an album in iPhoto or Aperture, and drag the whole album in. Everything should snap to the beat markers.





    Here is another good sample video using beat markers from ldparkinson...


  • AppleMan1958 Level 7 Level 7 (27,335 points)
    Currently Being Moderated
    Nov 11, 2012 6:03 PM (in response to adamkrause2004)

    You can easily trim video to the length you need.

    You can grab the end of the video and drag to make it shorter or longer, or you can select a portion in the middle of the clip and then EDIT/TRIM TO SELECTION.


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