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Glossary
BD-J application
The BD-ROM format supports Java for interactive functions.
“BD-J” offers content providers almost unlimited functionality
when creating interactive BD-ROM titles.
BD-R (pages 7, 27)
A BD-R (Blu-ray Disc Recordable) is a recordable, write-once
Blu-ray Disc. Since contents can be recorded and cannot
be overwritten, a BD-R can be used to archive data or for
storing and distributing video material.
BD-RE (pages 7, 27)
A BD-RE (Blu-ray Disc Rewritable) is a recordable and
rewritable Blu-ray Disc.
BD-ROM
BD-ROMs (Blu-ray Disc Read-Only Memory) are
commercially produced discs. Other than conventional movie
and video contents, these discs have enhanced features
such as interactive content, menu operations using pop-
up menus, selection of subtitle display, and slide shows.
Although a BD-ROM may contain any form of data, most
BD-ROM discs will contain movies in High Defi nition format
for playback on Blu-ray Disc players.
Blu-ray Disc (BD) (page 7)
A disc format developed for recording/playing high-defi nition
(HD) video (for HDTV, etc.), and for storing large amounts of
data. A single layer Blu-ray Disc holds up to 25 GB, and a
dual-layer Blu-ray Disc holds up to 50 GB of data.
Chapter number (pages 33)
Sections of a movie or a music feature that are smaller than
titles. A title is composed of several chapters. Some discs
may only be comprised of a single chapter.
Copy guard
This function prevents copying. You cannot copy discs
marked by the copyright holder with a signal which prevents
copying.
Disc menu (page 26)
This lets you select things like the subtitle language or audio
format using a menu stored on the DVD video disc.
Dolby Digital
A sound system developed by Dolby Laboratories Inc. that
gives movie theatre ambience to audio output when the
product is connected to a Dolby Digital processor or amplifi er.
Dolby Digital Plus
A sound system developed as an extension to Dolby Digital,
this audio coding technology supports 5.1 multi-channel
surround sound.
Dolby TrueHD
Dolby TrueHD is a lossless coding technology that supports
up to 8 channels of multi-channel surround sound for the
next generation optical discs. The reproduced sound is true
to the original source bit-for-bit.
DTS
This is a digital sound system developed by DTS, Inc for use
in cinemas. This system uses 6 audio channels and provides
accurate sound fi eld positioning and realistic acoustics. (By
connecting a DTS Digital Surround decoder, you can also
listen to DTS Digital Surround sound.)
DVD video (pages 7, 25)
A disc format that contains up to eight hours of moving
pictures on a disc the same diameter as a CD. A single-layer
single sided DVD holds up to 4.7 GB; a double layer single-
sided DVD, 8.5 GB; a single layer double-sided DVD, 9.4
GB; double-layer double-sided DVD, 17 GB. The MPEG 2
format was adopted for effi cient video data compression. It is
a variable rate technology that encodes the data to according
to the status of the video for reproducing high-quality images.
Audio information is recorded in a multi-channel format such
as Dolby Digital, allowing for a realistic audio presence.
DVD+/-R (pages 7, 27)
A DVD+/-R is a recordable, write-once DVD. Since contents
can be recorded and cannot be overwritten, a DVD+/-R
can be used to archive data or for storing and distributing
video material. The DVD+/-R has two different modes:
VR mode and Video mode. DVDs created in Video mode
have the same format as a DVD video, while discs created
in VR (Video Recording) mode allow the contents to be
programmed or edited.
DVD+/-RW (pages 7, 27)
A DVD+/-RW is a recordable and rewritable DVD. The re-
recordable feature makes editing possible. The DVD+/-RW
has two different modes: VR mode and Video mode. DVDs
created in Video mode have the same format as a DVD
video, while discs created in VR (Video Recording) mode
allow the contents to be programmed or edited.
HDMI (page 15)
HDMI (High-Defi nition Multimedia Interface) is an interface
that supports both video and audio on a single digital
connection. The HDMI connection carries standard to high
defi nition video signals and multi-channel audio signals to
AV components such as HDMI equipped TVs, in digital form
without degradation.
Interlace format
Interlace format shows every other line of an image as a
single “fi eld” and is the standard method for displaying
images on television. The even numbered fi eld shows the
even numbered lines of an image, and the odd numbered
fi eld shows the odd numbered lines of an image.
Letter Box (LB 4:3) (page 34)
A screen size with black bars on the top and bottom of the
image to allow viewing of wide-screen (16:9) material on a
connected 4:3 TV.