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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.
MPEG
MPEG
is
an
international
standard
for
video
and
audio
compression.
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.
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.
Track
Adistinct
element
of
audio/visual
information,
such
as
sound
track
for
a
specific
language
(DVD),
or
a
musical
piece
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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