Operation Manual
23
English
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
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
A surround sound system developed by
Dolby Laboratories that contains up to six
channels of digital audio (front left and
right, surround left and right, center and
subwoofer.)
DTS Digital
Theatre Systems. A surround sound
system for providing 5.1 channels of
discrete digital audio in consumer
electronics products and software content.
It is not developed by Dolby Digital.
HDCP
High-bandwidth Digital Content Protection.
This is a speci cation 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, completely free from noise.
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
compression ratio. Files are recognized by
their le extension ‘.jpg’ or ‘.jpeg.’