Glossary – Sharp BD-HP20U User Manual

Page 52

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 6, 26)

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 6, 26)

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 6)

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 (page 32)

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 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 6, 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 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 6, 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 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 6, 26)

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

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 33)

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.

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