Avid Technology Car Video System PT 用户手册

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Chapter 1: Introduction
9
MXF Media Data Locations 
On the volumes you 
have designated for media storage, 
Media Station|PT stores all MXF media:
• When stored locally, MXF media is placed 
in the Avid MediaFiles/MXF/1 folder. 
Media Station|PT can also read MXF media 
located at Avid MediaFiles/MXF/2, Avid 
MediaFiles/MXF/3, and so on.
• When stored in a shared environment, 
MXF media is placed in a folder called 
Avid MediaFiles/MXF/client.1 (where client 
represents the name of the client com-
puter).
This guide refers to the root folder name (Avid 
MediaFiles
) whenever referencing this folder.
OMF Media Data Locations 
On the volumes you 
have designated, Media Station|PT stores all 
OMF media in the OMFI MediaFiles folder.
Metadata
Metadata is used to describe:
• Information about each media file. This 
may include sample rate, bit depth, region 
names, the name of the videotape from 
which the media file was captured, and 
even time code values that specify where a 
file was used in a Pro Tools session.
• Information about Pro Tools sessions or 
other sequences, including what files are 
used, where they appear in a Timeline, and 
automation.
• For AAF or OMF sequences, metadata also 
includes information about unrendered 
AudioSuite effects (such as real-time EQ) on 
Avid workstations. Pro Tools skips unren-
dered effects on import. Rendered effects 
are media files, that can be imported or 
skipped on import into Pro Tools.
• For AAF or OMF sequences, information 
about automation (clip-based gain or key-
frame gain).
Embedded Media and Linked 
Media
There are two ways to handle media files when 
exporting AAF or OMF files: 
• Embedded media (in which the media files 
are embedded in an AAF or OMF sequence)
• Linked media (in which media files are ref-
erenced by an AAF or OMF sequence)
Pro Tools with DigiTranslator 2.0 lets you im-
port AAF or OMF sequences containing embed-
ded audio files. You can also import AAF or OMF 
sequences containing embedded video files, but 
only if you are importing them to a video satel-
lite track. In such a case, only the video meta-
data is imported.