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to XP, which made it the de facto st andard
for sound on PCs. WAV sound les end wi th
a ‘.wav’ extension and work s with nearly all
Windows applications th at support sound.
WMA (Windows Media Audio)
An audio format owned by Micr osoft, is a
part of Microsoft W indows Media technology.
Includes Microsoft Di gital Rights Manage ment
tools, Windows Media Vid eo encoding
technology, and Windows Med ia Audio
encoding technology.
WMV [Windows Media Video]
Refers to a video compress ion technology
developed by Microsoft Co rporation. WMV
content can be encoded by using W indows
Media® Encoder 9 series . Files are recognised
by their le extension ‘.wmv ’.
MP3
A le format with a sound da ta compression
system. MP3 is the abb reviation of Motion
Picture Exper ts Group 1 (or MPEG-1) Audio
Layer 3. With the MP3 for mat, one CD-R or
CD-RW can contain abou t 10 times more
data than a regular CD.
P
PCM (Pulse Code Modulation)
Pioneering form of digi tal recording.
S
Shufe
A feature that plays audio le s (tracks) in
random order.
Stereo
Literally means soli d. Usually taken to refer to
two channel stereo, t hough developments in
digital audio facilit ate multichannel ste reo.
T
Thumbnail
A thumbnail is reduced-s ize versions of a
picture that is used to make i t easier to
recognize an them. Thumb nails serve the
same role for images as a nor mal text index
does for words.
V
Volume
Volume is the most common word use d to
specify the control of re lative loudness of
sounds. It also per tains to the function o n
many electronic device s that is used to control
the loudness.
W
WAV
A format for sound les develo ped jointly by
Microsoft and IBM. B uilt into Windows 95
EN