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Lesson 20. Synchronizing with Digital Vi... > Synchronizing the Animation Using Li...

Synchronizing the Animation Using Lingo

Using cue points and the tempo channel to synchronize digital video with events in the score is so easy that it may be the only technique you ever need. However, there may be times when you need to use Lingo instead. For example, you may want to synchronize a digital video with an animation that you have created using Lingo (as you will do in Lesson 21). In this case, the Lingo that is doing the animation also needs to be able to monitor the cue points, because the tempo channel can control events only in the score, not events generated by Lingo. Or you may have a digital video playing with a separate sound file for narration, and each may have its own set of cue points. The Tempo dialog box lets you set only one cue point per frame, and therefore you will need to monitor both sets of cue points simultaneously with Lingo. Finally, one of the more common questions heard by Director Technical Support concerns rollover buttons not responding when the movie is using the tempo channel to wait for a cue point. For that reason, Macromedia recommends always using Lingo to check cue points.

As the digital video plays, Director keeps track of cue points as they occur in the movie. You will use the the mostRecentCuePoint property to ask Director for the number of the last cue point it encountered. The numbers returned by this property correspond to the order of the cue points within the digital video; these are the numbers you wrote down earlier when you were in the Tempo dialog box.


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