Roxio DVDit Pro HD, Руководство пользователя

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Chapter 4 Importing assets
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Removing assets
You can remove any asset from a project, including the sample assets provided with DVDit
Pro HD, as long as the asset is not being used in a title or menu. This does not delete the
source file from your computer hard drive.
To remove an asset:
t
Right-click the asset in the Palette window and choose Delete from the shortcut menu.
Changing a video asset’s Field Dominance
Each video frame comprises two sets of scan lines called fields . One field contains all the
odd-numbered scan lines (the top field or field A); the other contains all the even-numbered
scan lines (the bottom field or field B). Standard TVs display interlaced video, where one
field is displayed followed by the other. Computer monitors and high-definition TVs display
non-interlaced (progressive) video, where both fields are displayed at the same time.
A video asset’s Field Dominance (also known as Field Order ) determines which field is
displayed first. If the Field Dominance setting is incorrect, the video appears fine when
viewed on a computer monitor, but displays badly on a standard TV.
Different video formats use different Field Dominance settings, and some video editors can
create files with unusual or incorrect settings. The only way to detect an incorrect Field
Dominance setting is to burn a disc and watch the video on a TV. If you see motion artifacts
that are not apparent when you play the same disc on a computer, you can change the
problem asset’s Field Dominance setting in DVDit Pro HD and burn the disc again.
To change a video asset’s Field Dominance:
1. Locate the asset on the Palette window’s Media tab.
2. Right-click the asset and choose Properties from the shortcut menu. The Properties
dialog box opens.
3. Select the Field Dominance property.
4. Select a different setting from the Value pop-up menu. For example, if the asset’s
current setting is Top Field, try changing it to Bottom Field.
5. Click OK.
After changing the Field Dominance, burn a new disc and play it on a TV to see if the
problem has been corrected.
DVDit_Pro_HD.book Page 50 Monday, September 25, 2006 2:32 PM