Grc27Sound Synchronization
Assignment
craig polanowski
   
     
     


Notice what happens when the white balance
is not set the same on both cameras
 

You are to demonstrate cross-cutting between two clips while maintaining lip synch. This is accomplished by shooting the subject simultaneously on two cameras at different angles. Be sure to use tripods and have the subject turn frequently to face each camera.

Begin by making a loud sound that will be recorded on both cameras. When you capture the clips to the computer, you will make two separate bins, and name the reels accordingly. You will have to remember to set the logging bin for each tape being captured.

Bring the main clip to the timeline. This is the frontal angle, and you will use the sound track from this clip. Select the audio track and display the waveform by pressing command+option+w.

Note the spike in the waveform (the "spark") where the loud sound occurs. With the track selected, add a marker.

Drop the next clip on the timeline and repeat the procedure.

Align the markers and the movie is in synch.

Now, eliminate the secondary audio track. I do this by right-clicking the track in the gray area by the icons on the left hand side. Then , you can select "delete" from the contextual menu.

Back to the video: You will see the topmost track. The technique is to cut sections out of the top track using the razor blade tool. This allows you to see down to the lower video track. Toggle visibility of the top track on and off to see where to cut.

You are to cut on action. Switch clips as the subject is turning to face the other camera.