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Analog 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.
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 defi nition video
camcorders which can record and play high-resolution
HD images.
BD-Java
With some Blu-ray Disc™ which support Java
applications, you can enjoy the interactive functions such
as games or interactive menus.
BD-Live™
BD-Live™ is a BD-video (BD-ROM version 2 Profi le 2.0/
Profi le 1.1) which contains new functions (e.g. Internet
connection), in addition to the BONUSVIEW function.
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 benefi t
from the features such as high-defi nition 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.
Component Video Output
Each signal of luminance (Y) and component (P
B
/C
B
, P
R
/
C
R
) is independent to output so that you can experience
picture Color as it is. Also, due to compatibility with
progressive video (525p/480p), you can experience
higher-density picture than that in interlace (525i/480i).
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 analog-to-
digital converter, generating a stream of numbers. On
playback, a digital-to-analog converter generates an
analog signal based on these numbers.
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
®
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
®
DTS is a multi-channel surround sound system. By
connecting to DTS decoder, you can enjoy movie dynamic
and realistic sound like movie theater. DTS surround
sound technologies were developed by DTS, Inc.
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.
HDMI (High-Defi nition Multimedia Interface)
A digital interface between audio and video source. It can
transmit component video, audio, and control signal with
one cable connection.
Hub
A device used for connecting multiple device to the
network.
IP Address
A set of numbers which are assigned to devices
participating in a computer network.
JPEG (Joint Photographic Experts Group)
JPEG is a method of compressing still picture fi les. You
can copy JPEG fi les on BD-RE/-R, DVD-RW/-R or CD-
RW/-R from a computer and play back the fi les in this
unit.
LAN (Local Area Network)
A group of computer networks covering a small area like
a company, school or home.
Local Storage
A storage area of sub contents for playing virtual
packages on BD-video.
MP3 (MPEG audio layer 3)
MP3 is a method of compressing fi les. You can copy MP3
fi les on BD-RE/-R, DVD-RW/-R or CD-RW/-R from the
computer and play back the fi les on this unit.
Glossary