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59
E
N
A
na
l
o
g
Au
d
i
o
g
An e
l
ectrica
l
signa
l
t
h
at
d
irect
ly
represents soun
d
.
Compare t
h
is to
d
i
g
ita
l
au
d
io w
h
ic
h
can
b
e an e
l
ectrica
l
si
g
nal, but is an indirect representation o
f
sound. See also
“Digita
l
Au
d
io”.
A
s
p
ect Rati
o
p
T
he width o
f
a TV screen relative to its height.
Conventiona
l
TVs are 4:3 (in ot
h
er wor
d
s, t
h
e TV screen is
a
l
most square); wi
d
escreen mo
d
e
l
s are 16:9 (t
h
e TV
screen is a
l
most twice as wi
d
e as it is
h
ig
h
)
.
A
V
C
HD
AVCHD is a new
f
ormat
f
or high de
f
inition video
camcor
d
ers w
h
ic
h
can recor
d
an
d
p
l
ay
h
ig
h
-reso
l
ution
HD
images.
BD
-
Ja
v
a
W
ith some BDs which support Java applications,
y
ou can
enjo
y
the interactive functions such as games or
i
n
te
r
act
iv
e
m
e
n
us.
B
D-L
i
v
e
B
D-Live is a BD-video
(
BD-ROM version 2 Pro
f
ile
2.0 / Profile 1.1) which contains new functions (e.
g
.
I
nternet connection)
,
in addition to the BONUSVIEW
fu
n
ct
i
o
n
.
B
l
o
ck
bus
ter
Bl
oc
kb
uster is on
l
ine service w
h
ic
h
you can renta
l
or
p
urc
h
ase movies an
d
TV episo
d
es streame
d
over t
h
e
I
nternet.
B
lu-ra
y
Disc (BD)
y
Bl
u-ray Disc is a next generation optica
l
vi
d
eo
d
isc w
h
ic
h
i
s capable o
f
storing much more data than a conventional
D
VD. The large capacity makes it possible to bene
f
it
f
rom
t
he
f
eatures such as high-de
f
inition videos, multi-channel
surroun
d
soun
d
s, interactive menus an
d
so on.
C
ha
p
te
r
p
J
ust as a book is s
p
lit u
p
into several cha
p
ters, a title on a
B
D-video or DVD-video is usuall
y
divided into chapters.
See
a
l
so
“Ti
t
l
e
”
.
Ci
nem
a
N
ow
CinemaNow is online service which
y
ou can rental or
p
urchase movies and TV e
p
isodes streamed over the Internet.
C
om
p
onent Vi
d
eo Out
p
ut
pp
E
ach signal of luminance (Y) and component (
P
B
/
C
B
,
P
R
/
C
R
) is in
d
epen
d
ent to output so t
h
at
y
ou can
experience picture color as it is.
A
l
so,
d
ue to compati
b
i
l
ity wit
h
progressive vi
d
eo
(
525p / 480p), you can experience
h
ig
h
er-
d
ensity picture
th
an t
h
at in inter
l
ace (525i / 480i).
D
ee
p
Co
l
o
r
p
T
his technolog
y
allows expression of more number of
colors than the conventional 8 bits and can re
p
roduce
colo
r
s
close
to
n
atu
r
al
o
n
es
wi
thout
colo
r
st
r
eak.
Di
g
ita
l
Au
d
io
g
A
n indirect representation o
f
sound b
y
numbers. During
recor
d
in
g
, t
h
e soun
d
is measure
d
at
d
iscrete interva
l
s
(44,100 times a second
f
or CD audio) b
y
an analog-to-
d
igital converter, generating a stream of numbers. On
p
l
a
yb
ac
k
, a
d
igita
l
-to-ana
l
og converter generates an
a
na
l
o
g
si
g
na
l
b
ase
d
on t
h
ese num
b
ers. See a
l
so
“
Sampling Frequenc
y
” and “Analog Audio”.
DLNA (Di
g
ital Livin
g
Network Alliance
)
gg
DLNA is a cross-industr
y
organization o
f
consumer
e
lectronics that
f
ormulates DLNA Interoperability Guidelines
f
or sharing digital contents within a home network.
DN
S
Se
rv
er
A
server w
h
ic
h
trans
l
ates Internet
d
omain names into IP
add
resses.
D
o
lby
Di
g
ita
l
yg
The s
y
stem to compress digital sound developed b
y
Dolb
y
Laboratories. It offers
y
ou sound of stereo (2ch) or
m
u
l
t
i-
c
h
a
nn
e
l
aud
i
o.
Do
lby
Di
g
ita
l
P
l
u
s
yg
Dolb
y
Digital Plus is the next generation digital audio
c
ompression technolog
y
developed as an extension to
Do
lby
Digita
l
. B
l
u-ra
y
Disc supports 7.1 mu
l
ti-c
h
anne
l
surroun
d
soun
d
out
p
ut.
Dolb
y
TrueH
D
y
Do
lb
y TrueHD is a
l
oss
l
ess co
d
ing tec
h
no
l
ogy
d
eve
l
ope
d
f
or next generation optical discs. Blu-ra
y
Disc supports 7.1
mu
l
ti-c
h
anne
l
surroun
d
soun
d
out
p
ut.
DTS® (Di
g
ita
l
T
h
eater S
y
stem
)
gy
DTS® is a mu
l
ti-c
h
anne
l
surroun
d
soun
d
system. You can
e
njoy movie
d
ynamic an
d
rea
l
istic soun
d
l
i
k
e movie
t
h
eater. DTS surroun
d
soun
d
tec
h
no
l
ogies were
d
eve
l
ope
d
b
y DTS, Inc
.
DT
S
-HD®
DTS-HD® is a lossless coding technolog
y
developed as an
e
xtension of the ori
g
inal DTS Coherent Acoustics format.
Blu-ra
y
Disc supports 7.1 multi-channel surround sound
o
ut
p
ut
.
G
atewa
y
y
I
P address of the electronic devices
(
such as router
)
which
p
rovide Internet access.
H
DMI (Hi
g
h-De
f
inition Multimedia Inter
f
ace
)
g
A
di
g
ital inter
f
ace between audio and video source. It can
transmit component video, audio, and control si
g
nal with
o
n
e
cab
l
e
co
nn
ect
i
o
n
.
Hub
A
device used
f
or connectin
g
multiple device to the
networ
k.
I
P A
dd
re
ss
A
set o
f
numbers which are assigned to devices
participating in a computer networ
k.
GLOSSARY