[ This article was first published in the October, 2010, issue of
Larry’s Monthly Final Cut Studio Newsletter. Click here to subscribe. ]
TECHNIQUE: ADDING AUDIO TO VIDEO USING QUICKTIME 7
Most of the time when I send a mix from Final Cut to Soundtrack, then export it back to Final Cut, everything stays in sync and sounds great.
However, with many of my webinars, I’ve discovered that the audio sync tends to slowly slip out of sync. I suspect this has to do with the frame rate that I record the webinars, which is 30 fps. I’ve tried a lot of different things to fix it, but haven’t found a solution.
So, whenever I have a problem like this, I fall back to an old technique that allows me to combine audio and video using QuickTime, which works perfectly every time.
This window lists all the components of the QuickTime file. In this case, the new soundtrack is listed at the bottom as Sound Track 2.
Now is a good time to play your movie to make sure everything sounds right. To disable an audio file, uncheck the checkbox at the left side of the audio file you don’t want to hear.
Once you decide everything sounds correct, there is still the older soundtrack (Sound Track 1) to delete.
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