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Glossary
AVCHD (Advanced Video Codec High
Definition)
The AVCHD is a high definition (HD) digital video camera
recorder format recording high-definition onto certain media
by using highly efficient codec technologies.
BDAV (Page 7)
BDAV (Blu-ray Disc Audio/Visual, BD-AV) refers to one of the
application formats used for writable Blu-ray discs such as
BD-R, BD-RE, etc. BDAV is a recording format equivalent to
DVD-VR (VR mode) of the DVD specifications.
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-LIVE (page 30)
A variety of interactive content is available from BD-LIVE
compatible Blu-ray discs via the internet.
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 42, 43)
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 29)
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 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.
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.
DTS-HD Master Audio | Essential
DTS-HD Master Audio | Essential is a lossless audio
compression technology developed for the next generation
high definition optical disc format.
DVD upscaling (page 28)
Upscaling (upconverting) refers to a function of various
players and devices that enlarge the image size to fit the size
of the screen of video equipments such as a TV.
DVD video (page 7)
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/+R (page 7)
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/+RW (page 7)
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.
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