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Glossary
Analogue Audio
An electrical signal that directly represents sound.
Compare this to digital audio which can be an electrical
signal, but is an indirect representation of sound. See also
"Digital Audio".
Aspect Ratio
The width of a TV screen relative to its height.
Conventional TVs are 4:3 (in other words, the TV screen is
almost square); widescreen models are 16:9 (the TV screen
is almost twice as wide as it is high).
AVCHD
AVCHD is a new format for high definition video
camcorders which can record and play high-resolution HD
images.
BD-Live
BD-Live is a BD-video (BD-ROM version 2 Profile 2.0) which
contains new functions (e.g. Internet connection), in
addition to the BONUSVIEW function.
BD-Java
With some BD which support Java applications, you can
enjoy the interactive functions such as games or
interactive menus.
Blu-ray Disc (BD)
Blu-ray Disc is a next generation optical video disc which is
capable of storing much more data than a conventional
DVD is. The large capacity makes it possible to benefit
from the features such as high-definition videos, multi-
channel surround sounds, interactive menus and so on.
Chapter
Just as a book is split up into several chapters, a title on a
BD-video or DVD-video is usually divided into chapters.
See also "Title".
Component Video Output
Each signal of luminance (Y) and component (P
is independent to output so that you can experience
picture colour as it is.
Also, due to compatibility with progressive video (480p/
576p), you can experience higher-density picture than that
in interlace (480i/576i).
Digital Audio
An indirect representation of sound by numbers. During
recording, the sound is measured at discrete intervals
(44,100 times a second for CD audio) by an analogue-to-
digital converter, generating a stream of numbers. On
playback, a digital-to-analogue converter generates an
analogue signal based on these numbers. See also
"Sampling Frequency" and "Analogue Audio".
EN
OTHERS
®
DivX
®
DivX
is a codec (compression/decompression) that can
compress pictures to a very small amount of data. The
software can compress video data from almost any devices
to the size that can be sent on the Internet without
compromising visual quality of the pictures.
DNS Server
A server which translates Internet domain names into IP
addresses.
Dolby Digital
The system to compress digital sound developed by Dolby
Laboratories. It offers you sound of stereo (2ch) or multi-
channel audio.
Dolby Digital Plus
Dolby Digital Plus is the next generation digital audio
compression technology developed as an extension to
Dolby Digital. Blu-ray Disc supports 7.1 multi-channel
surround sound output.
Dolby Pro Logic II
Dolby Pro Logic II technology processes any high quality
stereo (two-channel) movie and music audio into five
playback channels of full-bandwidth surround sound. A
matrix surround decoding technology, Dolby Pro Logic II
detects the directional cues that occur naturally in stereo
content and uses these elements to create a five-channel
surround sound playback experience.
Dolby TrueHD
Dolby TrueHD is a lossless coding technology developed
for next generation optical discs. Blu-ray Disc supports 7.1
multi-channel surround sound output.
DTS® (Digital Theater System)
DTS® is a multi-channel surround sound system. By
connecting to DTS decoder, you can enjoy movie dynamic
and realistic sound like movie theatre. DTS surround sound
technologies were developed by DTS, Inc.
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DTS-HD®
DTS-HD® is a lossless coding technology developed as an
extension of the original DTS Coherent Acoustics format.
Blu-ray Disc supports 7.1 multi-channel surround sound
output.
Gateway
IP address of the electronic devices (such as router) which
provide Internet access.
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