DigiDesign Pro Tools, Справочное руководство

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Chapter 35: Working with Synchronization 797
Feet+Frame Rate
Feet+Frame rates for sessions can be set with the
Feet+Frame Rate selector. Supported rates are
23.976, 24, and 25 fps.
Set this rate to match the rate of the film projec-
tor, or the video if the film projector speed is
taken into account. For example, doing a Tele-
cine transfer from a 24 fps film projector to
NTSC video would necessitate the projector run-
ning at 23.976 fps. This is regardless of whether
the session is using pull down audio or not.
Time Code 2 Rate
This pop-up menu lets you set a secondary
frame rate that can be displayed in the ruler
alongside the main Timecode ruler. This lets
you reference frame rates in the Timeline that
are different from the session time code rate.
SYNC Setup and Time Code
Offsets
(Pro Tools HD Only)
Sync Setup
The controls in the SYNC Setup section let you
configure SYNC peripheral settings, including
clock reference, positional reference, video for-
mat, and VSO.
Clock Reference This menu lets you set the
Pro Tools clock reference.
◆ When using a Digidesign SYNC peripheral,
the Clock Reference selector lists all supported
clock types for the SYNC peripheral.
◆ When using Pro Tools|HD systems without a
SYNC peripheral, choices include any currently-
enabled digital format or source available from
your Pro Tools|HD I/O (such as AES, S/PDIF, or
1x Word arriving at the Pro Tools|HD interface’s
Word Clock In port).
Positional Reference Use this menu to set the
time code source for Pro Tools to use for posi-
tional reference.
Video Format Use this menu to set the session
for NTSC or PAL format.
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Variable Speed Override (VSO) Variable Speed
Override (VSO) requires a Digidesign SYNC pe-
ripheral.
When a SYNC peripheral is connected to a
Pro Tools|HD system, the VSO controls are lo-
cated in the SYNC Setup section of the Session
Setup window.
VSO controls in the Session Setup window
Refer to your SYNC peripheral documenta-
tion for instructions on using VSO to
varispeed Pro Tools playback.