Apple DVD Studio Pro 4 - Manual (Page 590)

Traditionally, the only way to include these features on your replicated disc was to use a
DLT drive. The Cutting Master Format (CMF) has been adapted to the DVD-R format so
that now you can burn a DVD-R disc on your system and a replication facility can use that
disc and include these features on the discs they make. CMF for DVD-R is only supported
by authoring drives and media.
Not all replication facilities support CMF discs; be sure to check with them ahead of time.
Also, discs formatted as CMF may not play correctly on all DVD players. Only use CMF
when supplying a disc to a replication facility.
Important: Only a replicator can create DVDs with copyright management features. Using
CMF discs allows you to format the data properly so that the replicator can add the
copyright information.
Reading a DLT Drive
With DVD Studio Pro, you can copy the contents of a DLT drive to your hard disk as a disk
image file. If the disk image is a single-layer project, you can then use the format feature
to write the file to a second tape or to a DVD-R disc. By opening the disk image, you can
access the VIDEO_TS or HVDVD_TS folder.
This technique can be useful if you want to verify the DLT tape’s contents, make a backup
of a DLT tape, or burn a DVD of a previous project without having to load the project and
all its assets onto your system.
To read a DLT drive
1 Make sure the DLT drive is connected and the tape is inserted.
2 Click Read DLT in the toolbar.
3 Select the location for the tape’s contents to be written to in the dialog that appears.
4 Click Open to start the process.
If the tapes are from a dual-layer project, you are prompted to insert the second tape
once the first has been read. The contents of the second tape are appended to the first
tape’s contents.
Important: When you read from a DLT drive, the “.layout” file that DVD Studio Pro uses
to track the copy protection settings, position of the dual-layer break point, and other
format related settings is not available. This means that, for single-layer projects, you have
to verify the settings in the format dialog before you burn a DVD or write a new DLT from
the file. It also means that you cannot burn a DVD or write a new DLT of a dual-layer
project.
590 Chapter 22 Finishing a Project