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JPEG
A file format used for saving image files. Most photographs
taken with digital cameras are saved in the JPEG format.
MP3
The abbreviated form of “MPEG1 Audio Layer-3,” a standard
for audio compression. It enables the size of the data to be
greatly reduced, while maintaining a high sound quality.
NTSC
The abbreviated form of the “National Television Standards
Committee”, and given to one of the analog color television
wave transmission systems. This system is used in Japan, the
USA and Latin America.
PAL
The abbreviated form of “Phase Alteration by Line,” and given
to one of the analog color television wave transmission sys-
tems. This system is used in China, Western Europe, with the
exception of France, and in other African and Asian countries.
SECAM
The abbreviated form of “SEquential Couleur A Memoire,”
and given to one of the analog color television wave transmis-
sion systems. This system is used in France, Eastern Europe,
the former Soviet Union, the Middle East and some African
nations.
WMA
The abbreviated form of “Windows Media Audio,” an audio
compression technology developed by Microsoft.
®
You can
encode WMA data using Windows Media Player Ver.7, 7.1,
Windows Media Player for Windows XP, or the Windows
Media Player 9 Series.
Windows Media and the Windows logo, are trademarks or reg-
istered trademarks of the Microsoft Corporation of America, in
America and in other countries.
When encoding WMA files, please use applications that have
been certified by the Microsoft Corporation of America. If you
use an application that has not been certified, it is possible that
it may not operate correctly.
Aspect ratio
The ratio between an image’s length and its height. HDTV
images have an aspect ratio of 16:9 and appear elongated. The
aspect ratio for standard images is 4:3.
Cool-down
A process to enable the lamp to cool down from the high tem-
peratures attained during projection. Performed automatically
when this unit is turned off. Do not remove the power plug dur-
ing cool-down. If cool-down is not performed correctly, the
lamp or internal structure of the main unit can overheat which
may reduce the lifespan of the lamp or cause damage to this
unit. Cool-down is complete once the main unit beeps twice.
Parental Lock
For age restriction. There are also display level settings for
when a DVD video contains material which is unsuitable for
viewers of a young age.
Dynamic Range
Shows the ratio of minimum and maximum audio level values
recorded to a disc in decibels (dB). The dynamic range values
indicate what detailed signals can be reproduced by various
equipment.
Optical digital out
Converts the audio signal into a digital signal and enables it to
be transmitted along optical fiber. An advantage is that interfer-
ence is not produced, unlike conventional means, where exter-
nal interference is picked up by the cable.
Playback control (PBC)
A method for playing back Video CDs. You can select the
screen or information you want to see from the menu screen
displayed.
Disc related terms
Title/Chapter/Track
A movie on a DVD is divided into units called titles, which
may contain any number of chapters. Video and Audio CDs are
divided into units called tracks.
Glossary
Title 1 Title 2
Chapter 1 Chapter 2 Chapter 1 Chapter 2
Track 1 Track 2 Track 3 Track 4
Video CD/Audio CD
DVD video