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DVD disc box information
When you buy a DVD-Video in the shops, the back of
the disc box usually contains various information
about the contents of the disc. Below is an example,
with an explanation of each section.
1 Audio languages and audio formats
DVD-Video discs can contain up to 8 separate
soundtracks with a different language on each.
The first in the list is the original soundtrack.
This section also details the audio format of each
soundtrack—Dolby Digital, DTS, etc.
Dolby Digital
1
Dolby Digital is the most widespread DVD-Video
audio format. Dolby Digital soundtracks can be
mono, stereo, or contain up to 5.1 channels (the
.1 refers to a special low-frequency effects
channel).
DTS
R
DTS is another 5.1 channel surround format
sometimes used on DVD-Video discs, often in
addition to a Dolby Digital track.
Linear PCM
Linear PCM audio also sometimes appears on
DVD-Video discs, usually on music related
material. Linear PCM sountracks are mono or
stereo only.
2 Subtitle languages
DVD discs can contain up to 32 subtitle
languages. You can watch the disc with any of
these subtitle languages, or with no subtitles
displayed at all.
3 Screen aspect ratio
Movies are shot in a variety of screen formats.
This box tells you what the original format was (in
this case, Cinemascope), and what it is best
viewed as on a widescreen TV and a regular 4:3
TV. In this case, if you have a regular 4:3 TV, it is
recommended that you watch it in letterbox
mode.
4 Region code and TV format
The world is divided into 6 DVD regions. Both
discs and players are coded for a particular region,
and to be able to play a disc, it must contain the
same region code as the player.
This section also contains the TV format of the
disc. In this case, NTSC.
5 DVD-Video logo
Angle mark ( )
Some DVD-Video discs feature scenes shot
simultaneously from two or more angles. During
playback, you can switch between these different
angles.
• Manufactured under license from Dolby Laboratories.
“Dolby” and the double-D symbol are trademarks of
Dolby Laboratories.
•“DTS” and “DTS Digital Surround” are registered
trademarks of Digital Theater Systems, Inc.
Preparations for Use: Basic Information