User Guide
5
AC-3 Audio in HD Projects
The following issues have been addressed regarding using Dolby Digital AC-3 audio
files in HD projects:
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AC-3 audio outputs from HD DVD players will now work correctly with external
decoders.
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AC-3 audio files encoded on an Intel-based Macintosh computer using Compressor
will now play correctly in HD DVD players.
Important:
You must use Apple DVD Player version 4.6.5 or later to play HD projects
created with DVD Studio Pro 4.1.2 that contain AC-3 audio. This version of DVD Player is
included with Mac OS X v10.4.8.
Still Menus in HD Projects Created on Intel-Based Macintosh Computers Now Correct
HD projects created on an Intel-based Macintosh computer that use still menus will
now build and play correctly. Previously, in some cases, the menus would show as
black frames.
HD Projects Using H.264 Assets Require the Latest Version of Apple DVD Player
You must use Apple DVD Player version 4.6.5 or later to play HD projects created with
DVD Studio Pro 4.1.2 that contain H.264 video. This version of DVD Player is included
with Mac OS X v10.4.8.
Multi-Angle HD Projects Now More Compliant With the HD DVD Specification
HD projects using multi-angle and mixed-angle tracks are now checked more
thoroughly for bit rate compliance when building. In some cases, HD projects that
previously would build with no errors may now show errors regarding the bit rate.
HD DVD Projects for Replication Now Use DDP 3.0 or CMF 2.0
When formatting HD DVD projects for replication, you now have Disc Description
Protocol (DDP) 3.0 and Cutting Master Format (CMF) 2.0 as the options. DDP 3.0 or CMF
2.0 is required for most HD DVD replication. Additionally, DLT is no longer an output
option when formatting your HD projects. Contact your replicator about HD project
delivery options.
About HD Project Verification Issues
When you submit an HD project for replication, the replicator may use a verifier to ensure
the project is compliant with the HD DVD specification. It is important for the replicator
to have the latest version of the verifier to ensure that false issues are not found in your
projects. See the Apple Knowledge Base (KB) article at http://docs.info.apple.com/
article.html?artnum=304992 for details about specific verifier warnings.
About HD DVD Players
There have been several firmware updates for most HD DVD players. Make sure your
HD DVD player has the latest firmware.