Sony STR-DG820 Operating Instructions Manual page 96

• Dolby Digital Surround EX
Acoustic technology developed by Dolby
Laboratories, Inc. Surround back information
is matrixed into regular left and right surround
channels so that the sound can be reproduced
in 6.1 channel. Active scenes, especially, are
recreated with a more dynamic and realistic
sound field.
• Dolby Pro Logic II
This technology converts 2 channel stereo
recorded audio into 5.1 channel for playback.
There is a MOVIE mode for movies and
MUSIC mode for stereo sources such as
nmsic. Old movies encoded in the traditional
stereo format can be enhanced with 5.1
channel surround sound.
The GAME mode is suitable for video games.
• Dolby Pro Logic IIx
Technology for 7.1 channel (or 6.1 channel)
playback. Along with audio encoded in Dolby
Digital Surround EX, 5.1 channel Dolby
Digital encoded audio can be reproduced in
7.1 channel (or 6.1 channel). Furthermore,
existing stereo recorded content can also be
reproduced in 7.1 channel (or 6.1 channel).
• Dolby Surround (Dolby Pro
Logic)
Audio processing technology developed by
Dolby Laboratories, Inc. Center and mono
surround information is matrixed into two
stereo channels. When reproduced, audio is
decoded and output in 4 channel surround
sound. This is the most common audio
processing method for DVD video.
• Dolby TrueHD
Dolby TrueHD is Dolby's lossless audio
technology developed for high-definition
optical discs. Dolby TrueHD audio is bit-for-
bit identical to the original studio masters and
provides supreme-quality audio up to 8
channel at 96 kHz/24 bit and up to 6ch at
192 kHz/24 bit. Together with high-definition
video, it offers an unprecedented home theater
experience.
• DTS 96/24
A high sound quality digital signal format. It
records audio at a sampling frequency and bit
rate of 96 kHz/24bit which is the highest
possible for DVD video. The nmnber of
playback channels varies depending on the
software.
• DTS Digital Surround
Digital audio encodingMecoding 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 channel playback with
surround back information. There are two
modes, "Discrete 6.1" which records all
channels independently, and "Matrix 6.1"
which matrixes surround back channel into
surround left and surround right channels. It is
ideal for playback of motion picture
soundtracks.
• DTS-HD
Audio format which extends the conventional
DTS Digital Surround format.
This format consists of a core and an
extension, and the core part has DTS Digital
Surround compatibility. There are two kinds of
DTS-HD, DTS-HD High Resolution Audio
and DTS-HD Master Audio. DTS-HD High
Resolution Audio has a maxinmm
transmission rate of 6 Mbps, with lossy
compression (Lossy), and DTS-HD High
Resolution Audio corresponds to a maximum
sampling frequency of 96 kHz, and a
maxinmm of 7.1 channel. DTS-HD Master
Audio has a maximum transmission rate of
24.5 Mbps, and uses lossless compression
(Lossless), and DTS-HD Master Audio
corresponds to a nmximum sampling
frequency of 192 kHz, and a maximum of
7.1 channel.
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