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one DVD. The final result of this conversion is a disc image file named “VisualHubDVD.iso” that can be tested before
being burned at your leisure on any Mac with Disk Utility, or with any PC burning software.
Burn When Done
Does what it says. Only available when "Author as DVD" is checked, it will burn the .iso file created by VisualHub to a
recordable DVD in your default disc burner automatically. Make sure you've inserted a disc before conversion completes.
Advanced Settings
The Advanced panel will show an extra section of you have the DVD tab selected.
Custom Volume Name - This lets you pick the name used for the DVD disc and the .iso file created by VisualHub. You
must use only capital letters and underscores: THIS_IS_AN_EXAMPLE
Long names above 31 characters are not supported.
Chapters Every n Minutes - By default, VisualHub will place a chapter marker at the beginning of every video in the list.
By selecting “5”, “10”, or “15” minutes from this menu, VisualHub will also place chapter marks at those intervals.
Force
Standard/Anamorphic - This lets you decide whether a DVD should be widescreen 16:9 or not instead of letting
VisualHub choose for you based on the majority aspect of the videos in your batch.
Full Resolution - This causes VisualHub to ignore its own resolution recommendation based on video duration, and
encode at the full DVD resolution no matter how low the quality may be.
Dual Layer - This changes all the quality equations to use nearly double the bitrate in order to fill a dual layer disc. Over
36 hours of video can be fit on a single dual-layer disc with this option.
DVD Tidbits
•
DVD videos produced by VisualHub will play immediately when inserted in a DVD player. Each video in VisualHub’s File
List is a separate chapter.
•
When converting a batch of videos under 3 total hours, VisualHub will make a decision between anamorphic 16:9 or
standard 4:3 based on which format is more prevalent. The minority aspect will be letterboxed. Batches over two
hours use a different resolution and must be 4:3, with widescreen material letterboxed.
•
The DVD specification is limited to 99 chapters, meaning VisualHub is limited to 99 files in a batch. Some DVD players
will be able to cope with more, but the disc will largely be incompatible with many players.
•
The 18 hour limit is a soft limit. You can actually make longer DVDs, but quality will really start to suffer.
•
To play a DVD image on Mac OS X without burning it,
double-click on the .iso file created by VisualHub. A
disk image will appear on the Desktop, containing a
“VIDEO_TS” folder. DVD Player can play this folder by
either dragging it onto the DVD Player icon, or by
choosing “Open DVD Media...” from DVD Player’s File menu. This is a good way to preview and verify converted
DVDs before burning a disc.
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