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User’s Manual 4-15
Operating Basics
HD DVD
This section describes the features and use of HD DVD.
Summary
HD DVD allows users to enjoy video, concerts and other packaged content
by taking advantage of its large amount of storage space and high-quality
audio and video. HD DVD also allows for the storage of long video when
combined with the latest video compression technologies.
The storage capacity and data transfer rate of HD DVD is superior to
standard DVD, with two types of playback-only discs in single-sided single-
layer 15GB and single-sided dual-layer 30GB (Gigabyte) formats.
HD DVD Media
■ Like CD and DVD, HD DVD is divided into the read-only and recordable
formats listed below.
■ Some media cannot be used with this product. Be sure to thoroughly
read section the HD DVD-ROM drive, Chapter 2, before using this
product.
■ HD DVD-Video: For video playback. Used to store movies and other
video.
■ HD DVD-ROM: Read-only media.
■ HD DVD-R: A recordable media which can be written to only once.
■ HD DVD (Twin format disc): Has both HD DVD and DVD recordable
layers.
Media Structures and Capacity
Please refer to the included Qosmio HD DVD Guide for more information
on the HD DVD.
■ Unfinalized DVDs created on home DVD recorders may not be
playable on the computer.
■ When inserting an unfinalized DVD-R DL disc into the computer,
Windows Vista™ may automatically finalize the disc and prevent
further writing.
HD DVD
Recordable Surface Recordable Layer Structure Capacity
Single-sided
Single-Layer
HD DVD Recordable Layer Only 15GB
Single-sided
Dual-Layer
HD DVD Recordable Layer Only 30GB