APPENDIX D
376
Troubleshooting
The duration of previewed or exported NTSC video is inaccurate
If you are editing an NTSC video program for a specific duration, such as a program that
must run for exactly 30 minutes, make sure you specified a timebase of 29.97 and a time
display of 30 fps Drop-Frame Timecode; see “General settings” on page 59. Using a timebase
of 30 for NTSC video will cause audio to go out of sync with the video. Using 30 fps Non
Drop-Frame Timecode for NTSC will cause a duration inaccuracy that accumulates over
time. See “Timebase” on page 335.
Previewed or exported video plays back with low picture quality
If a previewed or exported clip appears
pixilated
(blocky or having jagged edges), blurred,
or distorted when you use a Motion-JPEG codec, the data rate may have been incorrect or
unspecified. To prevent this problem, set the Quality slider to a higher setting, and specify
a data rate limit. See “Setting up a video codec” on page 298 and “Setting the data rate” on
page 300.
c00.book for PS Page 376 Tuesday, March 31, 1998 1:28 PM
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