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MP3, WMA, JPEG & DivX Files
MP3, WMA, JPEG, and DivX files are typically orga-
nized into folders. The DVD player handles MP3,
WMA, JPEG, and DivX files as tracks.
Glossary
Analog audio
An electrical signal that directly represents sound. Com-
pare this to digital audio which can be an electrical sig-
nal, but is an indirect representation of sound. See also
“Digital audio.”
Aspect ratio
The width of a TV screen relative to its height. Conven-
tional TVs are 4:3 (in other words, the screen is almost
square); widescreen models are 16:9 (the screen is
almost twice as wide as it is high).
Digital audio
An indirect representation of sound by numbers. During
recording, the sound is measured at discrete intervals
(44,100 times a second for CD audio) by an analog-to-
digital converter, generating a stream of numbers.
On playback, a digital-to-analog converter generates an
analog signal based on these numbers. See also “Sam-
pling frequency” and “Analog audio.”
DivX
*1
DivX is a media technology created by DivX,
Inc. DivX media files contain compressed video. DivX
files can also include advanced media features like
menus, subtitles, and alternate audio tracks.
Dolby Digital
*2
Using a maximum of 5.1 channels of audio,
this high quality surround system is used in many of the
finer movie theaters around the world.
The on-screen display shows which channels are active,
for example showing 3/2.1. The 3 being the two front
channels and the center channel; the 2 being the surround
channels, and the .1 being the LFE channel.
DRM
DRM (digital rights management) is a type of server
software developed to enable secure distribution of paid
content over the web, recently incorporated by WMA
(Windows Media Audio).
DTS
*3
DTS stands for Digital Theater Systems. DTS is
a surround system different from Dolby Digital that has
become a popular surround sound format for movies.
Dynamic range
The difference between the quietest and loudest sounds
possible in an audio signal (without distorting or getting
lost in noise).
Dolby Digital and DTS soundtracks are capable of a very
wide dynamic range, delivering dramatic cinema-like
effects.
File extension
A tag added to the end of a filename to indicate the type
of file. For example, “.mp3” indicates an MP3 file.
HD
Abbreviation for high definition, as in HDTV (high-def-
inition TV).
HDCP (High-bandwidth Digital Content Protection)
The video encryption technology developed by Intel for
HDMI/DVI. It’s designed to protect video content and
requires a HDCP-compatible device to display the
encrypted video.
MP3/WMA/JPEG/DivX (CD-R/CD-RW)
Folder 1
Trac k 1
Folder 2
Trac k 2 Track 3Track 1Track 2
*1. DivX, DivX Certified, and associated logos are trademarks of
DivX, Inc. and are used under license.
*2. Manufactured under license from Dolby Laboratories. “Dolby”
and the double-D symbol are trademarks of Dolby Laborato-
ries.
*3. “DTS” and “DTS Digital Surround” are registered trademarks
of Digital Theater Systems, Inc.