• Dolby Digital
Digital audio encoding/decoding technology
developed hy Dolhy Lahoratories, Inc.
It
consists
of
front (Ieft/righl), center, surround
(Ieft/right)
and
suh
woofer channels. It is a
designated audio standard for
DvD-video
and
also known
as
5.1
channels surround.
• Dolby Digital Plus
Dolby Digital Plus provides
the
flexibility
and
efliciency
to
deliver more channels
of
compelling surround sound for high-delinition
video media. Its superior coding efliciencies
enahle
up
to
7.1
ch
of
high-quality
multichannel audio without negatively
impacting bit budgets allocated for video
performance or additional feature
sets.
• Dolby Digital Surround EX
Acoustic technology developed hy Dolhy
Lahoratories, Inc. Surround
back
information
is
matrixed into regular left
and
right surround
channels
so
that the sound
can
be
reproduced
in
6.1
channels. Active
scenes,
especially,
are
recreated with a more dynamic
and
realistic
sound Iield.
• Dolby Pro Logic
II
This technology converts 2 channels
stereo
recorded audio into
5.1
channels for playback.
There is a
MOVIE
mode for movies
and
MUSIC
mode for stereo sources
such
as
music. Old movies encoded in the traditional
stereo format
can
be
enhanced with
5.1
channels surround sound.
The
GAME
mode
is
suitahle for video
games.
• Dolby Pro Logic IIx
Technology for
7.1
channels (or
6.1
channels)
playback. Along with audio encoded in Dolby
Digital Surround
EX,
5.1
channels Dolby
Digital encoded audio
can
he
reproduced in
7.1
channels (or
6.1
channels). Furthermore,
existing stereo recorded content
can
also
he
reproduced in
7.1
channels (or
6.1
channels).
136
GB
• Dolby Surround (Dolby Pro
Logic)
Audio processing technology developed by
Dolhy Laboratories, Inc. Center
and
mono
surround information
is
matrixed into two
stereo channels. When reproduced, audio is
decoded
and
output in 4 channels surround
sound. This is
the
most common audio
processing method for
DvD-video.
• Dolby TrueHD
Dolby TrueHD
is
Dolby's
loss
less
audio
technology developed for high-delinition
optical discs. Dolhy TrueHD audio
is
bit-for-
bit identical
to
the
original studio masters
and
provides supreme-quality audio up to 8ch
at
96
kHz.124
bit
and
up to 6ch
at
192
kHz./24 bit.
Together with high-dctinition video,
it
offers
an
unprecedented home theater experience.
.DSD
Audio format
used
for a Super Audio CD.
DSD converts analog signals to digital
and
records them directly, without adding any
processing,
so
that no information is omitted.
Recording
and
playback
of
high Iidelity,
quality sound
is
achieved.
• DTS 96/24
A high sound quality digital signal format.
It
records audio
at
a sampling frequency
and
bit
rate
of
96 kHz/24 bit which is
the
highest
possible for
DvD-video.
The number
of
playhack channels varies depending
on
the
software.
• DTS Digital Surround
Digital audio encoding/decoding technology
for theaters developed by DTS, Inc.
It
compresses audio
less
than Dolby Digital,
delivering a higher quality sound
reproduction.
• DTS-ES
Format for
6.1
channels playhack with
surround hack information. There
are
two
modes, "Discrete 6.1" which records all
channels independently,
and
"Matrix
6.1"
which matrixes surround hack channel into
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