Glossary - Philips SPF1208/10 User Manual

11 Glossary

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Aspect ratio
Aspect ratio refers to the length to height
ratio of TV screens. The ratio of a standard
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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.
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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.
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'.jpg' or '.jpeg.'
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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.
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Memory Stick
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storage on cameras, camcorders and other
handheld devices.
MMC Card
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provides storage for cellphones, PDAs and
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memory for read/write applications or ROM
chips (ROM-MMC) for static information, the
latter widely used for adding applications to a
Palm PDA.
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SD Card
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card that provides storage for digital cameras,
cellphones and PDAs. SD Cards use the same
32 x 24mm form factor as the MultiMediaCard
(MMC), but are slightly thicker (2.1mm vs.
1.4mm), and SD Card readers accept both
formats. Cards up to 4GB are available.
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Thumbnail
A thumbnail is reduced-size versions of a
picture that is used to make it easier to
recognize an them. Thumbnails serve the
same role for images as a normal text index
does for words.