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Additional Information
Bit rate (page 37)
Value indicating the amount of video data compressed in
a DVD per second. The unit is Mbps (Mega bit per
second). 1 Mbps indicates that the data per second is
1,000,000 bits. The higher the bit rate is, the larger the
amount of data. However, this does not always mean that
you can get higher quality pictures.
Chapter (page 5)
Sections of a picture or a music piece on a DVD that are
smaller than titles. A title is composed of several chapters.
Each chapter is assigned a chapter number enabling you
to locate the chapter you want.
Dolby Digital (page 12)
Digital audio compression technology that the Dolby
Laboratories Corporation developed. This technology
conforms to 5.1-channel surround sound. The rear
channel is stereo and there is discrete subwoofer channel
in this format. Dolby Digital provides the same 5.1
discrete channels of high quality digital audio found in
Dolby Digital cinema audio systems. The good channel
separation is realized because the all channel data is
recorded discrete and processed in digital.
Dolby Pro Logic (page 54)
Audio signal processing technology that Dolby
Laboratories Corporation developed for surround sound.
When the input signal has the surround component, the
Pro Logic process outputs the front, center and rear
signals. The rear channel is monaural.
DTS (page 12)
Digital audio compression technology that the Digital
Theater Systems, Inc. developed. This technology
conforms to 5.1-channel surround. The rear channel is
stereo and there is discrete subwoofer channel in this
format. DTS provides the same 5.1 discrete channels of
high quality digital audio found in DTS audio systems.
The good channel separation is realized because the all
channel data is recorded discrete and processed in digital.
DVD (page 4)
A disc that contains up to 8 hours of moving pictures even
though its diameter is the same as a CD.
The data capacity of a single-layer and single-sided DVD,
at 4.7 GB (Giga Byte), is 7 times that of a CD.
Furthermore, the data capacity of a dual-layer and single-
sided DVD is 8.5 GB, a single-layer and double-sided
DVD 9.4 GB, and a dual-layer and double-sided DVD 17
GB.
The picture data uses the MPEG 2 format, one of the
worldwide standards of digital compression technology.
The picture data is compressed to about 1/40 of its
original size. The DVD also uses the variable rate coding
technology that changes the data to be allocated according
to the status of the picture.
The audio data is recorded in Dolby Digital as well as in
PCM, allowing you to enjoy more real audio presence.
Furthermore, various advanced functions such as the
multi-angle, multilingual, and Parental Control functions
are provided with the DVD.
MPEG AUDIO (page 12)
International standard coding system to compress audio
digital signals authorized by ISO/IEC. MPEG 1 conforms
to up to 2-channel stereo. MPEG 2 used on DVDs
conforms to up to 7.1-channel surround.
Multi-angle function (page 31)
Various angles, or viewpoints of the video camera, for a
scene are recorded on some DVDs.
Multilingual function (page 14, 31, 49)
Several languages for the sound or sub-titles in a picture
are recorded on some DVDs.
Parental Control (page 51)
A function of the DVD to limit playback of the disc by the
age of the users according to the limitation level in each
country. The limitation varies from disc to disc; when it
is activated, playback is completely prohibited, violent
scenes are skipped or replaced with other scenes and so
on.
Playback Control (PBC) (page 20)
Signals encoded on VIDEO CDs (Version 2.0) to control
playback.
By using menu screens recorded on VIDEO CDs with PBC
functions, you can enjoy playing simple interactive
programs, programs with search functions, and so on.
Title (page 5)
The longest sections of a picture or a music piece on a
DVD; a movie, etc., for a picture piece on video software;
or an album, etc., for a music piece on an audio software.
Each title is assigned a title number enabling you to locate
the title you want.
Track (page 5)
Sections of a picture or a music piece on a CD or VIDEO
CD. Each track is assigned a track number enabling you to
locate the track you want.
Glossary