compression ratio TOYOTA SIENNA 2005 XL20 / 2.G Navigation Manual

138 DVD VIDEO DISC GLOSSARY
DVD video discs: Digital versatile Disc that
holds video. DVD video discs have adopted
“MPEG2”, one of the world standards of digi-
tal compression technologies. The picture
data is compressed by 1/40 on average and
stored. Variable rate encoded technology in
which the volume of data assigned to the pic-
ture is changed depending on the picture for-
mat has also been adopted. Audio data is
stored using PCM and Dolby digital, which
enables higher quality of sound. Further-
more, multi−angle and multi−language fea-
tures will also help you enjoy the more ad-
vanced technology of DVD video.
Viewer restrictions: This feature limits what
can be viewed in conformity with a level of re-
strictions of the country. The level of restric-
tions varies depending on the DVD video
disc. Some DVD video discs cannot be
played at all, or violent scenes are skipped or
replaced with other scenes.
Level 1: DVD video discs for children can be
played.
Level 2 − 7: DVD video discs for children and
G−rated movie can be played.
Level 8: All types of the DVD video discs can
be played.
Multiangle feature: You can enjoy the
same scene at different angles.Multilanguage feature: You can select a
language of the subtitle and audio.
Region codes: The region codes are pro-
vided on DVD players and DVD discs. If the
DVD video disc does not have the same re-
gion code as the DVD player, you cannot play
the disc on the DVD player. For region codes,
see page 137.
Audio: This DVD player can play liner PCM,
Dolby digital and MPEG audio format DVD.
Other decoded type cannot be played.
Title and chapter: Video and audio pro-
grams stored in DVD video disc are divided in
parts by title and chapter.
Title: The largest unit of the video and audio
programs stored on DVD video discs. Usual-
ly, one piece of movie, one album, or one au-
dio program is assigned as a title.
Chapter: The unit smaller than that of title. A
title comprises plural chapters.
Manufactured under license from Dolby
Laboratories. “Dolby”, “Pro Logic”, and
the doubleD symbol are trademarks of
Dolby Laboratories. Confidential unpub-
lished works.
19921997 Dolby Laboratories. All
rights reserved.This product incorporates copyright
protection technology that is protected by
method claims of certain U.S. patents and
other intellectual property rights owned
by Macrovision Corporation and other
rights owners. Use of this copyright
protection technology must be authorized
by Macrovision Corporation, and is in-
tended for home and other limited viewing
uses only unless otherwise authorized by
Macrovision Corporation. Reverse engi-
neering or disassembly is prohibited.
“DTS” is a trademark of Digital Theater
Systems, Inc.