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DOLBY DIGITAL SURROUND MODES
The following are further descriptions about the Dolby Digital surround
modes.
Dolby Digital Plus
Dolby Digital Plus is the next-generation audio technology for all high-
denition programming and media. Dolby Digital Plus delivers multi-channel
audio programs of up to 7.1 channels and supports multiple programs in a
single encoded bitstream with the maximum bit rate potential of up to 6 Mbps
and the maximum bit rate performance of up to 3 Mbps on HD DVD and
1.7 Mbps on Blu-ray Disc. It outputs Dolby Digital bitstreams for playback on
existing Dolby Digital systems. Dolby Digital Plus can accurately reproduce the
sound originally intended by directors and producers.
It also features multi-channel sound with discrete channel output,
interactive mixing and streaming capability in advanced systems.
Supported by High-Denition Media Interface (HDMI), a single-cable digital
connection is possible for high-denition audio and video.
Dolby TrueHD
Dolby TrueHD is a lossless encoding technology developed for high-denition
optical discs. Dolby TrueHD delivers tantalizing sound that is bit-for-bit identical
to the studio master, unlocking the true high-denition entertainment
experience on high-denition optical discs in the next generation.
It supports bit rates of up to 18 Mbps and records up to 8 full-range
channels individually with 24-bit/96 kHz audio. It also features extensive
metadata including dialogue normalization and dynamic range control.
Supported by High-Denition Media Interface (HDMI), a single-cable digital
connection is possible for high-denition audio and video. HD DVD and Blu-
ray Disc standards currently limit their maximum number of audio channels
to eight, whereas Dolby Digital Plus and Dolby TrueHD support more than
eight audio channels. Note that the T 747 only supports 7.1 channel.
Dolby Digital EX
Using a Matrix decoder, this method creates the back channel (sometimes
also called the “surround center”) by means of signals on the left and
right surround channels recorded in Dolby Digital 5.1, reproduction being
provided in Surround 6.1. This method should be selected with sources
bearing the (double-D symbol)-EX, recorded in Dolby Digital Surround EX.
With this additional channel you will experience improved dynamics and
a better sensation of movement within the sound eld. If media sources
recorded in Dolby Digital EX are decoded with a Digital EX decoder,
the format is detected automatically, and the Dolby Digital EX mode is
selected. However, some media sources recorded in Dolby Digital EX can
be detected as simple Dolby Digital media sources. In this case Dolby
Digital EX should be selected manually.
NOTE
Please refer to the section “LISTENING MODE” at the Main Menu
discussions for a description of PLIIx Movie, PLIIx Music and Stereo
Downmix modes.
DTS
The Digital Theater System Digital Surround (simply called DTS) is a multi-
channel digital signal format that can process higher data rates than with
Dolby Digital. Although both Dolby Digital and DTS are 5.1 channel media
formats, discs bearing the “DTS” symbol are thought to provide better
sound quality due to the lower audio compression required. It also oers a
broader dynamic, producing magnicent sound quality.
A DTS input can be defaulted to one of the following options - DTS+NEO:6
Music, Neo:6 Cinema, Neo:6 Music, Stereo Downmix or None.
If “None” is selected, the DTS signal will follow the “Digital” setting set forth
at “Other option under this menu section. See discussion below about
“Other.
OTHER
If “None” is selected above for any of the Dolby Digital, 2 Channel, Surround
and DTS options or if the audio input is an analog signal, this “Other
section will manage the default audio format as per the “Digital” or Analog”
settings.
Digital: The detected digital input can be congured by way of one
of the following options – 7 ch Stereo, Enhanced Stereo, EARS, Neo:6
Music, Neo:6 Cinema, PLIIx Music, PLIIx Movie, DVS Wide, DVS Reference
or None.
Analog: If the audio input is an analog signal, the following are the
surround modes the input can be defaulted – 7 ch Stereo, Enhanced
Stereo, EARS, Neo:6 Music, Neo:6 Cinema, PLIIx Music, PLIIx Movie, DVS
Wide, DVS Reference, Stereo or None.
NOTE
All these Listening Modes for “Dolby Digital”, “DTS” and “Other” can
be directly changed by pressing the “LISTENING MODE” button on
the front panel or through the “Listening Mode” option at the Main
Menu window. The chosen audio format will be reected back to the
appropriate setting at the “Listening Mode Setup.
OPERATION
USING THE T 747  SETUP MENU
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ENGLISH FRANÇAIS ESPAÑOL ITALIANO DEUTSCH NEDERLANDS SVENSKA РУССКИЙ
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