Sony CMT-DH7BT - Manual (Page 87)

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DVD+RW
A DVD+RW (plus RW) is a recordable
and rewritable disc. DVD+RWs use a
recording format that is comparable to
the DVD VIDEO format.
File
A JPEG image file recorded on a DATA
CD or DATA DVD. (“File” is an exclusive
definition for this system.) A single file
consists of a single image.
Film based software, Video based
software
DVD VIDEOs can be classified as Film
based or Video based software. Film
based DVD VIDEOs contain the same
images (24 frames per second) that are
shown at movie theaters. Video based
DVD VIDEOs, such as television dramas
or sitcoms, displays images at 30 frames
(or 60 fields) per second.
Interlace format (Interlaced scanning)
The Interlace format is the NTSC
standard method for displaying TV
images at 30 frames per second. Each
frame is scanned twice-alternately
between the even numbered scanning
lines and then odd numbered scanning
lines, at 60 times per second.
Multi-angle function
Various angles, or viewpoints of the video
camera, for a scene are recorded on some
DVD VIDEOs.
Multilingual function
Several languages for the sound or
subtitles in a picture are recorded on
some DVD VIDEOs.
Parental Control
A function of the DVD VIDEO to limit
playback of the disc by the age of the
users according to the limitation level in
each country. The limitation varies from
disc to disc; when it is activated, playback
is completely prohibited, violent scenes
are skipped or replaced with other scenes
and so on.
Playback Control (PBC)
Signals encoded on VIDEO CDs (Version
2.0) to control playback. By using menu
screens recorded on VIDEO CDs with
PBC functions, you can enjoy playing
simple interactive programs, programs
with search functions, and so on.
Progressive format (sequential
scanning)
In contrast to the Interlace format,
the progressive format can reproduce
50  60 frames per second by
reproducing all scanning lines (525
lines for the NTSC system, 625 lines
for PAL system). The overall picture
quality increases and still images, text
and horizontal lines appear sharper. This
format is compatible with the 525 or 625
progressive format.