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6
Disc-related
terms
DVD±R/DVD±RW
DVD -R and DVD +R
are
two
different standards for
recordable DVD drives and discs. This format allows
information
to
be recorded
onto
the DVD disc
only
once.
DVD +RW and DVD -RW
are
two
standards for
re-writable
media,
meaning
the DVD
content
can
be
erased and re-recorded.
Single-sided
discs
can
hold
4.38
Gigabytes
and double-sided discs hold twice
as
much. There
are no
dual
layer single
sided recordable
discs.
VCD
(Video CD)
A
VCD holds up
to 74
minutes
(650
MB
disc)
or
80
minutes
(700
MB
disc)
of MPEG-1 full-motion video
along
with
quality
stereo
sound.
MPEG
MPEG is
an
international standard for video and audio
compression.
MPEG-1 is used
in
encoding
video for
VCD and
provides
for multichannel surround sound
coding
such
as
PCM,
Dolby Digital,
DTS and MPEG
audio.
MP3
MP3 is
a
popular compression
format used for
digital
audio files that
yields
very
high
near-CD
quality.
WMA
Windows media audio file. A
type
of
coding
/
decoding
developed by
Microsoft
Corp.
JPEG
Joint Pictures
Expert Group.
JPEG is
a
compressed
file format that allows you
to
save
images
with
no
limit
on
the number of colors.
PBC:
Playback
Control
(Video
CD
only)
Playback
control is available for Video CD
(VCD)
version 2.0 disc formats. PBC allows you
to
interact
with the
system
via
menus,
search
functions,
or
other
typical computer-like operations.
Moreover,
still
pictures
of
high
resolution
can
be
played
if
they
are
included in the disc. Video CDs
not
equipped
with
PBC
(Version 1.1)
operate
in the
same
way
as
audio
CDs.
Title
(DVD only)
A title is
generally
a
distinct section of
a
DVD disc. For
example
the main feature could be title
1,
a
documentary describing
how the film
was
made could
be title
2,
and
cast
interviews could be title 3. Each
title is
assigned
a
reference number
enabling
you
to
locate it
easily.
Chapter (DVD only)
A
chapter
is
a
segment
of
a
title such
as a scene
in
a
film
or one
interview in
a
series. Each
chapter
is
assigned
a
chapter
number,
enabling
you
to
locate the
chapter
you
want.
Depending
on
the
disc,
chapters
may
not
be recorded.
Scene
(VCD)
On
a
video CD with PBC
(playback control)
functions,
moving pictures
and still
pictures
are
divided into
sections called "scenes". Each
scene
is
displayed
in
the
menu screen
and
assigned
a scene
number,
enabling
you
to
locate the
scene
you
want. A
scene
is
composed
of
one or
several tracks.
Track
A distinct element of audiovisual
information,
such
as
the
picture
or
sound track for
a
specific language
(DVD),
or a
musical
piece
on a
video
or
audio CD.
Each track is
assigned
a
track
number,
enabling
you
to
locate the track you
want. DVD
discs allow
one
track of video
(with multiple angles)
and several tracks
of audio.
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