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12 Glossary
D
Decibel (dB)
A unit of measure used to express relative
difference in power or intensity of sound.
F
FM (Frequency Modulation)
In radio broadcasting: a method of modulation
in which the frequency of the carrier voltage
is varied with the frequency of the modulation
voltage.
L
LCD (Liquid Crystal Display)
Probably the most common way to show
visual information on non-computer electronic
equipment.
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.
S
Shuffle
A feature that plays audio files (tracks) in
random order.
V
Volume
Volume is the most common word used to
specify the control of relative loudness of
sounds. It also pertains to the function on
many electronic devices that is used to control
the loudness.
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.
EN
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