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9 Glossary
Aspect ratio
Aspect ratio refers to the length to height
ratio of TV screens. The ratio of a standard
TV is 4:3, while the ratio of a high-
denition or wide TV is 16:9. The letter
box allows you to enjoy a picture with a
wider perspective on a standard 4:3
screen.
Blu-ray Disc (BD)
Blu-ray Disc is a next generation optical
video disc capable of storing ve times
more data than a conventional DVD. The
large capacity makes it possible to benet
from the features such as high-denition
videos, multichannel surround sound,
interactive menus and so on.
BONUSVIEW
TM
This is a BD-Video (Final Standard Prole
or Prole 1.1) that supports interactive
content encoded on the disc, such as
picture-in-picture. This means you can play
the primary video and secondary video
simultaneously.
Digital Audio
Digital Audio is a sound signal that has
been converted into numerical values.
Digital sound can be transmitted through
multiple channels. Analogue sound can
only be transmitted through two channels.
Dolby
®
Digital
The system to compress digital sound
developed by Dolby Laboratories. It offers
you sound of stereo (2ch) or multichannel
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.
DTS-HD Master Audio
TM
A disc encoded with DTS-HD Master Audio
delivers ALL of the information from the
original master recording — bit-for-bit, it's
identical to what the sound engineers laid
down. Audio doesn't get any better than
this.
HDCP
High-bandwidth Digital Content Protection.
This is a specication that provides a
secure transmission of digital contents
between different devices (to prevent
unauthorized copyright.)
HDMI
®
High-Denition Multimedia Interface
(HDMI) is a high-speed digital interface
that can transmit uncompressed high
denition video and digital multichannel
audio. It delivers high quality picture and
sound quality. HDMI is fully backward-
compatible with DVI. As required by the
HDMI standard, connecting to HDMI or
DVI products without HDCP (High-
bandwidth Digital Content Protection) will
result in no Video or Audio output.
JPEG
A very common digital still picture format.
A still-picture data compression system
proposed by the Joint Photographic Expert
Group, which features small decrease in
image quality in spite of its high