08
56
En
DSD (Direct Stream Digital)
The Digital Audio encoding system found on SACDs, that
ex
pr
esses the audio signals by the
p
ulse density of one bit data.
DTS Digital Surround
DTS Digital Su
rr
ound is an audio fo
r
mat to
r
eco
r
d 48 kHz/24 bits
audio signals in 5.1 channels.
DTS-HD High Resolution Audio
DTS-HD High Resolution Audio is an audio fo
r
mat using lossy
coding. It can
r
eco
r
d 7.1 channels at 96 kHz/24 bits.
DTS-HD Master Audio
DTS-HD Maste
r
Audio is an audio fo
r
mat using lossless coding.
With BD-ROMs, 7.1 channels can be
r
eco
r
ded at 96 kHz/24 bits,
o
r
5.1 channels at 192 kHz/24 bits.
Ethernet
A standa
r
d fo
r
local a
r
ea netwo
r
ks (LANs) used to connect
multi
p
le com
p
ute
r
s, etc. in the same location. This
p
laye
r
su
pp
o
r
ts 100BASE-TX.
Frames and fields
A f
r
ame is the unit fo
r
one of the still
p
ictu
r
es which com
p
ose
motion
p
ictu
r
es. One f
r
ame consists of a
p
ictu
r
e of odd lines and
a
p
ictu
r
e of even lines called fields in video signal with inte
r
laced
scan method (576i, 1080i, etc.).
HDMI (High-Definition Multimedia
Interface)
See
p
age 16.
Interactive audio
The audio signals
r
eco
r
ded in the titles of BD-ROMs. They include
fo
r
exam
p
le the clicking sound made when the menu sc
r
een is
o
p
e
r
ated.
Interlaced scan
With this method, one
p
ictu
r
e is dis
p
layed by scanning it twice.
The odd lines a
r
e dis
p
layed in the fi
r
st
p
ass, the even lines a
r
e
dis
p
layed in the second, to fo
r
m a single
p
ictu
r
e (f
r
ame).
Inte
r
laced scan is indicated in this
p
laye
r
and o
p
e
r
ating
inst
r
uctions by an “i” afte
r
the
r
esolution value (fo
r
exam
p
le, 576i).
IP address
An add
r
ess that identifies a com
p
ute
r
o
r
othe
r
device connected
to the Inte
r
net o
r
local a
r
ea netwo
r
k. It is
r
e
pr
esented a numbe
r
in fou
r
sections.
Linear PCM
This is
r
efe
rr
ed as the audio signals that a
r
e not com
pr
essed.
MAC (Media Access Control) address
A ha
r
dwa
r
e identification numbe
r
assigned s
p
ecifically to the
netwo
r
k device (LAN ca
r
d, etc.).
MPEG (Moving Picture Experts Group)
The name of a family of standa
r
ds used to encode video and
audio signals in a digital com
pr
essed fo
r
mat. The video encoding
standa
r
ds include MPEG-1 Video, MPEG-2 Video, MPEG-4 Visual,
MPEG-4 AVC, etc. The audio encoding standa
r
ds include MPEG-
1 Audio, MPEG-2 Audio, MPEG-2 AAC, etc.
Parental Lock
See
p
age 43.
Picture-in-Picture (P-in-P)
This is a function fo
r
su
p
e
r
im
p
osing a sub video on the main
video. Some BD-ROMs include seconda
r
y video, which can be
su
p
e
r
im
p
osed on the
pr
ima
r
y video.
Port number
This is a sub-add
r
ess
pr
ovided below the IP add
r
ess fo
r
simultaneously connecting to multi
p
le
p
a
r
ties du
r
ing Inte
r
net
communications.
Progressive scan
With this method, one
p
ictu
r
e is consisted of a single
p
ictu
r
e,
without dividing it in two
p
ictu
r
es. P
r
og
r
essive scan
pr
ovides
clea
r
p
ictu
r
es with no flicke
r
, in
p
a
r
ticula
r
fo
r
still
p
ictu
r
es that
contain much text, g
r
a
p
hics, o
r
ho
r
izontal lines. P
r
og
r
essive scan
is indicated in this
p
laye
r
and o
p
e
r
ating inst
r
uctions by a “
p
” afte
r
the
r
esolution value (fo
r
exam
p
le, 576
p
).
Proxy server
This is a
r
elay se
r
ve
r
fo
r
ensu
r
ing fast access and safe
communications when connecting to the Inte
r
net f
r
om an
inte
r
nal netwo
r
k.
Region number
See
p
age 9.
Secondary audio
Some BD-ROMs include sub audio st
r
eams mixed with the main
audio st
r
eam. These sub audio st
r
eams a
r
e called “seconda
r
y
audio”. On some discs this seconda
r
y audio is
r
eco
r
ded as the
audio fo
r
the seconda
r
y video.
Secondary video
Some BD-ROMs include sub videos su
p
e
r
im
p
osed on the main
videos using the Pictu
r
e-in-Pictu
r
e function. These sub videos a
r
e
called “seconda
r
y video”.
Subnet mask
This is used to identify which
p
a
r
t of the IP add
r
ess co
rr
es
p
onds
to the subnet (a se
p
a
r
ately managed netwo
r
k). The subnet mask
is ex
pr
essed as ‘255.255.255.0’.
USB (Universal Serial Bus)
USB is the indust
r
y standa
r
d fo
r
connecting
p
e
r
i
p
he
r
als to PCs.
VC-1
A video codec develo
p
ed by Mic
r
osoft and standa
r
dized by the
Society of Motion Pictu
r
e and Television Enginee
r
s (SMPTE).
Some BDs include videos encoded in this codec.
x.v.Color
See
p
age 16.
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