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Glossary
Bit rate (page 35)
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
l,OOO,OOO
bits The higher the bit rate, 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
Digital Cinema Sound (DCS) (page 33)
The general name of technology that Sony developed to
enjoy surround sound in a home It simulates the sound
not of a concert hall as usual but of a movie editing studio
so that you can enjoy the surround sound of a movie
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theater in the comfort of your own home The VES
i
(Virtual Enhanced Surround) system contained in DCS
-.
programs can create the sound image of virtual rear
d
9
speakers from the sound of the front speakers (L, R)
without using actual rear speakers
5
0”
Dolby Digital (pages 10, 52)
3
Digital audio compression technology that Dolby
3
Laboratories Corporation developed This technology
-.
3
conforms to 5 l-channel surround sound The rear
channel is stereo and there is a 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 Good channel
separation is realized because all of the channel data is
recorded discretely and processed in digital
Dolby Pro Logic (page 52)
Audio signal processing technology that Dolby
Laboratories Corporation developed for surround sound
When the input signal contains a surround component,
the Pro Logic process outputs the front, center and rear
signals The rear channel is monaural
DT5
(pages 12, 53)
Digital audio compression technology that Digital Theater
Systems, Inc developed
This technology conforms to 5
l-
channel surround The rear channel is stereo and there is
a discrete subwoofer channel in this format DTS provides
the same 5 1 discrete channels of high quality digital
audio Good channel separation is realized because all of
the channel data is recorded discretely 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
is 4 7 GB (Giga Byte) which is 7 times that of a CD The
data capacity of a dual-layer and single-sided DVD is 8 5
GB, a single-layer and double-sided DVD is 9 4 GB, and a
dual-layer and double-sided DVD is 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 a variable rate coding
technology that changes the data to be allocated according
to the status of the picture
Audio data is recorded in Dolby Digital as well as in
KM,
allowing you to enjoy a more real audio presence
Furthermore, various advanced functions such as the
multi-angle, multilingual, and Parental Control functions
are provided with the DVD
Multi-angle function (page 32)
Various angles for the scene (viewpoints of the video
camera) are recorded on some
DVDs
Multilingual function (pages
14,32,46)
Several languages for the audio track or sub-titles in a
picture are recorded on some DVDs
Parental Control (page 48)
A function of the DVD used to limit playback of the disc
according to the age of the user and 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 21)
Signals encoded on VIDEO CDs (Version 2 0) to control
playback
By using menus 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 audio software
Each title is assigned a title number enabling you to locate
the title you want
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