User Manual

Pro Tools Reference Guide362
Enforce Avid Compatibility
If the Enforce Avid Compatibility option is enabled,
all AAF and OMF files and sequences will meet
the specific requirements of Avid Video worksta-
tions. Sample rates are limited to 44.1 kHz or
48 kHz. Exported regions will be padded to the
nearest frame boundaries (Quantize Edits to
Frame Boundaries). This padding ensures that
the placement of a file in the Timeline will be
the same on sample-accurate as well as frame-ac-
curate systems.
Target Project Time Code Format
Select the time code format for the project into
which this file or sequence will be imported.
This may be different from the time code format
of the current session. This parameter allows re-
gions to be placed correctly in sessions with dif-
ferent time code formats, and also calculates
how many samples must be added to pad re-
gions to frame boundaries.
Quantize Edits to Frame Boundaries
Pro Tools allows sample-accurate placement of
regions. In Pro Tools, you can place a region of
any length at any position, without any require-
ment for aligning regions with frame boundar-
ies.
However, most video editing programs, such as
Media Composer, only support frame-accurate
editing. In these programs, you can only edit
sounds on whole frame boundaries, limiting
your precision.
Selecting Enforce Avid Compatibility will automat-
ically select Quantize Edits to Frame Boundaries.
The Quantize Edits to Frame Boundaries option al-
lows Pro Tools to export your sample-accurate
Pro Tools edits into an AAF or OMF file so they
appear as frame-accurate.
When you quantize edits to frame boundaries,
you must enter a handle size (length) under Au-
dio Media Options. See “Consolidate Handle
Size (Milliseconds)” on page 365.
The Quantize Edits to Frame Boundaries set-
ting must be selected when you are translating
your Pro Tools session for use in frame-accu-
rate editing workstations. Therefore, it is au-
tomatically selected whenever you export
tracks with Enforce Avid Compatibility
checked.
Figure 3. Original region
Figure 4. Region exported with handles
Figure 5. Subclip: Region stretched to farthest frame
boundaries
Figure 6. Subclip with OFFs (One-frame files) laid over
end frames