Glossary
into one image (frame).
JPEG (Joint Photographic Experts Group)
A standardized image compression system proposed by
the Joint Photographic Experts Group. It can reduce
image data sizes to 1 to 10% of their original sizes, and
works on digital photographs effectively.
MP3 (MPEG Audio Layer-3)
An audio file compression technology. It can reduce
audio data sizes to about 10% of their original sizes
while maintaining CD-level audio quality.
MPEG (Moving Pictures Experts Group)
International standard for digital video and audio
compression generated by ISO (International
Organization for Standardization) and IEC
(International Electrotechnical Commission).
Includes MPEG-1, MPEG-2, and MPEG-4. MPEG-1
offers VHS level video quality and is often used on
video CDs. MPEG-2 offers S-VHS level video quality
and is often used on DVDs.
Parental control
Limits Disc play according to the age of the users or the
limitation level in each country. The limitation varies
from disc to disc; when it is activated, playback will be
prohibited if the software's level is higher than the user-
set level.
Playback control (PBC)
An on-screen menu recorded on a Video CD or SVCD
that enables interactive playback and searching.
Progressive Scan
A method of displaying all scanning lines in a frame at
once, reducing flicker noticeable on a larger screen and
creating a sharp and smooth image.
Region code
Many DVD discs include a region code so that the
copyright owner can control DVD software distribution
only to regions where they are ready to distribute. There
are six regions codes, which restrict a DVD player to
playing a DVD disc with the same region code.
S-video
A terminal for inputting or outputting an S-video signal.
S-video signal consists of two lines, the luminance
signal (Y) and color signal (C), which enable to provide
high-quality video during playback or recording.
Surround
A receiver for creating realistic three-dimensional sound
fields full of realism by arranging multiple speakers
around the listener.
VR format (Video Recording format)
A DVD video recording format, which allows editing
DVD video data recorded onto a disc. You need a VR
format compatible player for playback.
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