Adobe AFTER EFFECTS 5.5 Help Manual page 52

Adobe After Effects Help
Using Help | Contents
Setting the frame rate for footage
You can change the frame rate for any movie or sequence of still images. For example, you
can import a sequence of ten still images and specify a frame rate of 5 frames per
second (fps).
To set the frame rate for footage:
1 Select an item in the Project window.
2 Choose File > Interpret Footage > Main.
3 In the Frame Rate section of the Interpret Footage dialog box, specify a frame rate for
Conform to Frame Rate.
Note: If you remove 3:2 pulldown from interlaced video footage, After Effects automati-
cally sets the frame rate of the resulting footage to four-fifths of the original frame rate.
When removing 3:2 pulldown from NTSC video, the resulting frame rate is 24 fps. See
"About 3:2 pulldown" on page 44.
Looping footage
If you intend to loop visual footage continuously in your project, you need to create only
one cycle of the footage in After Effects.
To loop footage:
1 In the Project window, select the footage you want to loop.
2 Choose File > Interpret Footage > Main.
3 Type an integer value for Looping and click OK.
Copying Interpret Footage settings
If you want to ensure that different footage items use the same Interpret Footage settings,
copy settings from one item and apply them to others.
To apply Interpret Footage settings to several footage items:
1 In the Project window, select the item whose footage interpretations you want to apply.
2 Choose File > Interpret Footage > Remember Interpretation.
3 Select one or more footage items.
4 Choose File > Interpret Footage > Apply Interpretation. After Effects applies the footage
interpretation options to the selected items.
Replacing and substituting footage
After Effects offers a number of ways to replace and substitute footage in a composition.
Using proxies or other items in place of original footage can be useful when the footage
you want to use is not available. Also, when you are working with large, high-resolution
items, you may want to use low-resolution proxies to work more quickly and efficiently.
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