(If you cut the audio clip and then paste it into a new location, it forgets both its original video-clip spouse and the fact that it was ever "married" to begin with. Doing so simply makes iMovie realign the clip with a new video frame, lining up the pushpin accordingly. You're still welcome to slide the audio clip left or right in its track, independent of any other clips. Dragging the audio clip will not drag the "attached" video clip along with it. Nor does locking an audio clip prevent you from shifting it.
#Trim sound clips for imovie slideshow movie
Put another way, "Lock Audio" actually means " Don't Lock Audio (to one spot in the Movie Track) Let It Slide Around as Necessary." The audio clip isn't locked into a particular time in the movie (such as 5:23:12). It's important to understand, however, that locking an audio clip freezes its position only relative to the video clip above it. Nothing you do to the video clips to its left in the Timeline Vieweradd, delete, insert, or trim themwill affect its synchronization. Once you've locked an audio clip to its video, you no longer have to worry that it might lose sync with its video when you edit your video clips. Tip: If you've highlighted several audio clips, iMovie "pushpins" the beginning of each clip at its present video location. Even if the video later gets moved around in its track, or even if you later trim away some footage from the beginning part of the video clip, the sync moment remains intact. IMovie locks the audio to the video at that frame, as indicated by the little pushpin (see Figure 8-10). Whenever you place an audio clip that you'd like to keep aligned with a video moment, get the Playhead into position and then choose Advanced Lock Audio Clip at Playhead (or press -L). In iMovie, the solution is especially elegant.
You may wind up playing a frustrating game of find-the-frame, over and over again, all the way through the movie, as you try to redo all of your careful audio/video alignments. The dog clip slides leftward to close the gapand leaves the barking sound behind, now hopelessly out of alignment with the video above it.īottom: If you had remembered to lock the barking clip to the video above it, as indicated by the tiny pushpins, the sound effect would have slid to the left along with the dog clip, remaining perfectly in sync. You've deleted the clip that was just to the left of the dog. You've selected the clip right before the dog, in preparation for deleting it. Top: You've carefully lined up a barking sound effect with the beginning of the dog clip. This syndrome can rear its ugly head in many video- editing programs. In short, when you insert or delete some video footage after lining up audio clips with specific video moments, you shove everything out of alignment, sometimes without even realizing it. Locking Audio Clips to Videoįigure 8-10 illustrates a serious problem that results from trying to line up certain video moments (like Bill-Gates-getting-hit-with-a-pie footage) with particular audio moments (like a "Splat!" sound effect). You can move them around, copy and paste them, synchronize them with video, scrub 'em, split 'emit's hours of fun for the whole family! 8.9.1. You can have all sorts of fun with audio clips in iMovie.
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