User Manual

Selecting the Timecode Format for Output
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The following table summarizes the change in audio rates for 23.976p output options.
Selecting the Timecode Format for Output
If you select one of the three NTSC output formats, you need to indicate the timecode format for
output: drop-frame or non-drop-frame.
You can designate drop-frame or non-drop-frame timecode for devices connected to one or both
of the following outputs:
• RS422 Output (serial port on the computer)
• LTC (LTC OUT on some Avid input/output hardware)
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To output LTC timecode, you need to select “Generate LTC on Playback” in the General
Settings dialog box. For more information, see “Using LTC Timecode for Output” on page 1041.
By default, the menus display the timecode format of the sequence you loaded into the Timeline.
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Your Avid editing application can generate LTC at 29.97 fps only. See “Indicating the
Destination Timecode Rate” on page 1079.
To select the timecode format for output:
1. Select Output > Digital Cut.
2. Do one or both of the following:
t Click the RS422 Output menu, and select Drop or Non-Drop.
t Click the LTC Output menu, and select Drop or Non-Drop.
Output Play Rate Source Output Audio Rate
23.976 NTSC 23.976 fps 48 kHz (no change)
24 NTSC 23.976 fps 48.048 kHz (0.1% speedup)
29.97 NTSC 23.976 fps 60 kHz (25% speedup)
24 PAL 23.976 fps 48.048 kHz (0.1% speedup)
25 PAL 23.976 fps 50.016 kHz (4.2% speedup)