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12 Glossary
M
MP3
A file 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.
R
RDS (Radio Data System)
RDS tuners can automatically tune in stations
according to the types of music (or talk)
they broadcast. RDS also enables a receiver
to display text messages and even graphics
(usually call letters and format information)
that many FM stations include on a sub-carrier
signal within their normal broadcast signal.
Some RDS equipped tuners can even override
with traffic alerts or emergency broadcasts,
during playback of other media - CD MD, or
cassette. There are other useful features too,
many of which are offered by the growing
number of RDS stations.
S
SD
Secure Digital. A type of memory card with a
flash memory.
SDHC
Secure Digital High Capacity (SDHC) is a
type of flash memory card based on the SDA
2.00 specification. The SDA 2.00 specification
enables SD cards to reach higher capacities
from 4GB to 32GB, and growing.
W
WMA (Windows Media Audio)
An audio format owned by Microsoft, is a
part of Microsoft Windows Media technology.
Includes Microsoft Digital Rights Management
tools, Windows Media Video encoding
technology, and Windows Media Audio
encoding technology.
23
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