compression ratio Lexus IS250 2012 Navigation Manual

AUDIO/VIDEO SYSTEM
244
DVD VIDEO DISC GLOSSARY
DVD video discs:Digital Versatile Disc
that holds video. DVD video discs have
adopted “MPEG2”, one of the world stan-
dards of digital compression technologies.
The picture data is compressed by 1/40 on
average and stored. Variable rate en-
coded technology in which the volume of
data assigned to the picture is changed de-
pending on the picture format has also
been adopted. Audio data is stored using
PCM and Dolby Digital, which enables
higher quality of sound. Furthermore, mul-
ti− angle and multi −language features will
also help you enjoy the more advanced
technology of DVD video.
Viewer restrictions: This feature limits
what can be viewed in conformity with a
level of restrictions of the country. The lev-
el of restrictions 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.
Multi− angle feature: You can enjoy the
same scene at different angles.
Multi− language 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 region code as the DVD player, you
cannot play the disc on the DVD player.
For region codes, see page 243. Audio:
This DVD player can play liner
PCM, Dolby Digital and MPEG audio for-
mat DVD. Other decoded type cannot be
played.
Title and chapter: Video and audio pro-
grams stored in DVD video disc are divid-
ed in parts by title and chapter.
Title: The largest unit of the video and au-
dio programs stored on DVD video discs.
Usually, one piece of movie, one album, or
one audio 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 Log-
ic”, and the double −D symbol are trade-
marks of Dolby Laboratories.
This product incorporates copyright
protection technology that is protected
by method claims of certain U.S. pat-
ents and other intellectual property
rights owned by Macrovision Corpora-
tion and other rights owners. Use of
this copyright protection technology
must be authorized by Macrovision
Corporation, and is intended for home
and other limited viewing uses only un-
less otherwise authorized by Macrovi-
sion Corporation. Reverse engineering
or disassembly is prohibited.
“DTS” and “DTS Digital Surround” are
registered trademarks of Digital The-
ater Systems, Inc.
ISF/IS NAVI (U)
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