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Glossary
Q)
O
c
Bitstream
This
is
the
digital
form
of
multi-channel
audio data
(e.g.,
5.1
chan-
nel)
before
it
is
decoded
into
its
various channels.
Decoder
A
decoder
restores the
coded
audio
signals
on
DVOs
to
normal.
This
is
called
decoding.
Dolby
Digital
This
is
a method
of
coding
digital
signals
developed by Dolby Labo-
ratories.
Apart from stereo (2-channel)
audio,
these
signals
can
also
be
multi-channel audio.
A
large
amount
of
audio
information
can be
recorded
on one
disc
using
this
method.
This
unit
is
set
to
record using
Dolby
Digital
in
all
recording
modes
except
for
XP
mode, where you
may
choose
Dolby
Digital
or
LPCM.
Dolby Pro Logic
A
surround
system where a
4-channel audio
track
is
recorded
as
2
channels
and
then
is
restored
to
4
channels
for
play
The
surround
channel
is
monaural
and
can reproduce up
to
7
kHz.
DTS
(Digital
Theater
Systems)
This
surround
system
is
used
in
many
movie
theaters
around
the
world.
There
is
good
separation
between
the channels,
so
realistic
sound
effects
are
possit^e.
Dynamic
range
Dynamic
range
is
the difference
between
the
lowest
level
of
sound
that
can be
heard
above
the
noise
of
the
equipment
and
the highest
level
of
sound
before
distortion
occurs.
Film
and
video
DVD-Videos
are recorded using
either
film
or video. Usually,
film
is
recorded
at
24
frames
per second, the
rate
movies
are
filmed
at,
while
video
Is
recorded
at
30
frames
per second.
Frame
still
and
field
still
Frames
are the
still
pictures
that
go
together
to
make
a moving
pic-
ture.
There
are
about
30
frames
shown
each
second-
One
frame
is
made
up
of
two
fields.
A
regular
television
shows
these
fields
one
after
the other
to
create frames.
A
still
is
shown when
you
pause
a
moving
picture.
A
frame
still
is
made
up
of
two
alternating
fields,
so
the
picture
may
appear
blurred,
but
overall quality
is
high.
A
field
still
is
not
blurred,
but
it
has
only
half
the information
of
a
frame
still
so
picture quality
is
lower.
Interlace
and
progressive output
NTSC,
the
video
signal
standard,
has
480
interlaced
(i)
scan
lines,
whereas
progressive
scanning uses
twice the
number
of
scan
lines.
This
is
called
480p.
The
video
signals output
from
this unit's
COM-
PONENT
VIDEO
OUT
terminals
(Y,
Pa,
Pr)
allow
you
to
enjoy higher
quality pictures
than
if
the signals
were
output
from
the
VIDEO
OUT
terminal or
S VIDEO
OUT
terminal.
I/P/B
MPEG
2,
the video
compression
standard adopted
for
use
with
DVD-Video,
codes frames
using these
3
picture types,
i:
Intra
coded
picture
This
picture
has
the best
quality
and
is
the best
to
use
when
adjusting the
picture.
P:
Predictive
coded
picture
This
picture
is
calculated
based on
past
I-
or
P-ptctures.
B:
Bidirectionally-predictive
coded
picture
This
picture
is
calculated
by comparing
past
and
future
I-
and
P-pictures
so
it
has
the lowest
volume
of
information.
Linear
PCM
(pulse
code
modulation)
These
are
uncompressed
digital
signals.
LPCM
sound
is
available
when
recording
in
XP
mode.
Playback
control
(PBC)
If
a Video
CD
has
playback
control,
you can
select
scenes and
infor-
mation
with
menus.
Pan&Scan/Letterbox
In
general,
DVD-Video
are
produced
with
tiie
intention that
they
be
viewed
on a
widescreen
television with
an
aspect
ratio
of 16:9.
This
means
you can view
most
material with
the intended
aspect
ratio
on
a widescreen
television.
Material with
this ratio
will
not
fit
onto a standard
television with
an
aspect
ratio
of 4:3.
Two
styles of picture,
"Pan&Scan" and
Tetter-
box",
deal with
this
problem.
Pan&Scan: The
sides are cut
off
so
the
pic-
ture
fills
the screen.
Letterbox:
Black
bands appear
at
the top
and
bottom
of
the picture
so
the
picture
itself
appears
in
an
aspect
ratio
of 16:9.
c
'•
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input the
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8475
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6979
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7165
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7782
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8378
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8487
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6588
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6984
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7384
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7779
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8368
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8575
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6590
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7079
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7465
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7778
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8373
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8582
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6665
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7074
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7487
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7865
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8375
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8590
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6985
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7073
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7578
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7869
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8376
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8673
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7082
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7583
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7879
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8379
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8679
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6890
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7089
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7575
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7982
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6983
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6789
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6672
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7176
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7589
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8083
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8385
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8779
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6682
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7565
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7579
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7065
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8387
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8872
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6671
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6869
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7585
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8076
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8386
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7473
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7789
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6976
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7679
Portuguese:
8084
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8476
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8979
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6669
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7576
Latin:
7665
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8065
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8471
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9085
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7577
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7178
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7686
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8185
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8465
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6765
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7185
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56
ROT6636
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