Video tc rate, Sound tc rate – Apple Cinema Tools 3 User Manual
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Chapter 4
Creating and Using a Cinema Tools Database
To choose a default film standard:
m
Choose the standard film type used for your project from the Film Standard
pop-up menu.
 35mm 4p: 35mm film, 4 perforations per frame
 16mm 20: 16mm film, 20 frames per key number
Video TC Rate
Cinema Tools supports four different video timecode rates. See Appendix A,
“
,” on page 201 for information on timecodes. The film lab that
transfers your film to video can tell you what kind of timecode is recorded on the
videotape.
To choose a default video timecode rate:
m
Choose the Video TC Rate recorded on the videotapes for your project from the Video
Timecode pop-up menu.
 30 NDF: Non-drop frame NTSC timecode at 30 frames per second (fps)
 30 DF: Drop frame NTSC timecode at 30 fps
 25 FPS: PAL timecode at 25 fps
 24 FPS: Video timecode at 24 fps
Sound TC Rate
Usually, timecode is recorded along with the soundtracks on the production sound
rolls. That timecode can be used to locate the audio that goes with any particular clip,
and many systems can use that timecode to synchronize the audio with the video. The
primary purpose for entering the sound rolls and sound timecode in the database is for
matching audio back to an audio Edit Decision List (EDL), as described in “
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