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Appendix
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43
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.
BDMV (page 7)
BDMV (Blu-ray Disc Movie, BD-MV) refers to one of the
application formats used for BD-ROM which is one of the
Blu-ray Disc specifications. BDMV is a recording format
equivalent to DVD-video of the DVD specification.
BD-R (page 7)
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 (page 7)
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 Definition format
for playback on Blu-ray Disc players.
Blu-ray Disc (BD) (page 7)
A disc format developed for recording/playing high-definition
(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 32, 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 25)
This lets you select things like the subtitle language or audio
format using a menu stored on the BD/DVD video disc.
Dolby Digital
A sound system developed by Dolby Laboratories Inc. that
gives movie theater ambience to audio output when the
product is connected to a Dolby Digital processor or amplifier.
Dolby Digital Plus
A sound system developed as an extension to Dolby Digital.
This audio coding technology supports 7.1 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 field positioning and realistic acoustics. (By
connecting a DTS Digital Surround decoder, you can also
listen to DTS Digital Surround sound.)
DTS-HD High Resolution Audio
DTS-HD High Resolution Audio is a new technology
developed for the next generation high definition optical disc
format.
DTS-HD Master Audio
DTS-HD Master Audio is a lossless audio compression
technology developed for the next generation high definition
optical disc format.
DVD video (pages 7, 24)
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 efficient 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, 26)
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 formats: VR
format and Video format. DVDs created in Video format have
the same format as a DVD video, while discs created in VR
(Video Recording) format allow the contents to be programed
or edited.
DVD+/-RW (pages 7, 26)
A DVD+/-RW is a recordable and rewritable DVD. The re-
recordable feature makes editing possible. The DVD+/-RW
has two different formats: VR format and Video format. DVDs
created in Video format have the same format as a DVD
video, while discs created in VR (Video Recording) format
allow the contents to be programed or edited.
HDMI (page 15)
HDMI (High-Definition Multimedia Interface) is an interface
that supports both video and audio on a single digital
connection. The HDMI connection carries standard to high
definition 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 “field” and is the standard method for displaying
images on television. The even numbered field shows the
even numbered lines of an image, and the odd numbered
field shows the odd numbered lines of an image.
JPEG (pages 7, 8, 31)
JPEG (Joint Photographic Experts Group) is a still image data
compression format and is used in most of digital cameras.
Letter Box (LB 4:3) (page 35)
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.
Linear PCM Sound
Linear PCM is a signal recording format used for Audio CDs
and on some DVD and Blu-ray discs. The sound on Audio
CDs is recorded at 44.1 kHz with 16 bits. (Sound is recorded
between 48 kHz with 16 bits and 96 kHz with 24 bits on DVD
video discs and between 48 kHz with 16 bits and 192 kHz
with 24 bits on BD video discs.)
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