System information
1.  Add your media to the timeline using  Add Across Tracks  mode so the video for the left and right 
eyes is on separate tracks. In  the following example, the left-eye track is above the right-eye track.
2.  Use one of the following methods  to align the audio and video so the video output is synchronized.
n  If you used a slate or a loud clap  for your synchronization point, you can align the events to 
within a frame  of each other using the audio waveforms:
a.  Roughly  align the audio waveforms by dragging events in the timeline.
b.  Use  the Zoom controls at the bottom-right  corner of the timeline to zoom in on the 
waveform. For more information, see "Zooming and magnification" on page 188.
c.  Verify  Quantize to Frames  is enabled because you want video frames to be aligned 
even if the audio  is slightly out of alignment. 
d.  Drag  a track's border to make the tracks taller and view large waveforms.
e.  Use  Shift+Up Arrow to magnify the waveforms if necessary.
f.  Click the event you want  to move and press 1 or 3 on the numeric keypad to nudge 
the event by frames  to the left or right.
n  Synchronizing a video event:
These steps require snapping to be enabled, so if you have not  already done so, turn 
snapping on by clicking the Enable  Snapping button  . For more information, see 
"Enable Snapping" on page 139.
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