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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.
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 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.
S
Shufe
A feature that plays audio les (tracks) in
random order.
V
Volume
Volume is the most common word used to
specify the control of relative loudness of
Glossary
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