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An problem I see with the magnetic timeline
One of the big, exciting new features of Final Cut Pro X that has a lot of people talking it the “magnetic timeline”, which causes clips to move down to the track below them if another clip is moved in, rather than being over-written. They say this will be very helpful because it will eliminate collisions that would leave a hole in your clip that has to be fixed.
In the demo Apple did, they had two video clips on the same track with music underneath each one. The music clips were both longer than the video clips that they were underneath, poking out from the right side of the video.
They moved the video clip on the left right up next to the video clip on the right, and the music underneath came with it. Through the magic of the magnetic timeline, the music clip under the second video moved down one (virtual) track to make room for the one that came with the first video. The crowd loved it.
Visually the whole thing was very impressive, but from a practical standpoint I see a problem with it.
The second music clip that moved down to make room for the first is now on another track, but it’s still part of the timeline- and you’re still going to hear it if you play the whole thing back- so you’re going to hear both of them playing at the same time, creating a very undesirable effect.
You’ll have to trim the second one back or fade it in to make sure this doesn’t happen, and at that point it seems to me it would be faster and easier (though less visually appealing) to use the old paradigm. Maybe I’m missing something here- I figured J and L cuts would be impossible until I watched the demo- but I don’t see how they’re going to get around this, unless they automatically mute the portion of the downward-moving clip that’s covered by the new one coming in. But you wouldn’t always want that either…
