14 Glossary - Philips SPH8208/12 User Manual

14 Glossary

A
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-defi nition 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.
B
Bluetooth®
Bluetooth® is a short-range wireless protocol
that is meant to allow mobile devices to share
information and applications without the worry
of cables or interface incompatibilities. The name
refers to a Viking King who unifi ed Denmark.
Operates at 2.4 GHz. For more information, see
bluetooth.com.
J
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 fi le extension '.jpg' or '.jpeg. '
K
Kbps
Kilobits per second. A digital-data-rate
measurement system which is often used with
highly compressed formats such as AAC, DAB,
MP3 etc. The higher the amount, the better the
quality generally is.
Kensington lock
A Kensington Security Slot (also called a K-Slot
or Kensington lock). Part of an anti-theft system.
It is a small, metal-reinforced hole found on
almost all small or portable computer and
electronics equipment, particularly on expensive
and/or relatively light ones, such as laptops,
computer monitors, desktop computers,
gaming consoles, and video projectors. It is
used for attaching a lock-and-cable apparatus, in
particular those from Kensington.
M
Memory Stick
Memory Stick. A fl ash memory card for digital
storage on cameras, camcorders and other
handheld devices.
MMC Card
MultiMedia Card. A fl ash memory card that
provides storage for cellphones, PDAs and
other handheld devices. The card uses fl ash
memory for read/write applications or ROM
chips (ROM-MMC) for static information, the
latter widely used for adding applications to a
Palm PDA.
Motion JPEG
Motion JPEG (M-JPEG) is an informal name for
multimedia formats where each video frame
or interlaced fi eld of a digital video sequence
is separately compressed as a JPEG image. It is
often used in mobile appliances such as digital
cameras.
MP3
A fi le format with a sound data compression
system. MP3 is the abbreviation of Motion
Picture Experts Group 1 (or MPEG-1) Audio
Layer 3. With the MP3 format, one CD-R or
CD-RW can contain about 10 times more data
than a regular CD.
EN 55