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Using the Surround Modes
This unit activates a variety of Surround Modes automatically according to the stored basic settings and adjustments
performed on the Setup and Adjustment Menus (see pages 33 to 45).
• The following operations are only possible when the receiver is ready for the main room operations, and are
used only for the main room sources.
Introducing the Surround Modes
THX Surround EX (Dolby Digital EX)*
Best used to reproduce multichannel sound tracks of the software
encoded with Dolby Digital EX.
• To enjoy the software encoded with Dolby Digital EX, connect the
source component using the digital terminal on the rear of this
receiver. (See page 14.)
Dolby Digital EX is a new digital surround encoding format that
adds the third surround channels, called “surround back”
(2 channels—but, the same signals are recorded for both left and
right surround back channels).
Comparing to the conventional Dolby Digital 5.1CH, these newly
added surround back channels can reproduce more detailed
movements behind you while viewing the video software. In
addition, surround sound localization will become more stable.
The THX Surround EX* mode built in this receiver decodes Dolby
Surround EX encoding, and allows you to enjoy a realistic surround
field in your listening room.
Furthermore, this decoder also works for any sound source, applying
one of two THX Surround modes—“THX SURR EX” or “THX
CINEMA.”
• “THX SURR EX” or “THX CINEMA” is automatically selected
when you press THX ON/OFF.
THX SURR EX: To reproduce the sound through all activated
speakers. (Best for playing Dolby Digital EX or
DTS-ES encoded software)
THX CINEMA: To reproduce the sound through all activated
speakers except the surround back speakers.
Dolby Digital 5.1CH**
Used to reproduce multichannel sound tracks of the software
encoded with Dolby Digital (
DIGITAL
).
• To enjoy the software encoded with Dolby Digital, connect the
source component using the digital terminal on the rear of this
receiver. (See page 14.)
Dolby Digital 5.1CH encoding method (so-called discrete 5.1
channel digital audio format) records and digitally compresses the
left front channel, right front channel, center channel, left surround
channel, right surround channel, and LFE channel signals (total 6
channels, but LFE channel is counted as 0.1 channel. Therefore,
called 5.1 channel).
As each channel is completely independent from the other channel
signals to avoid interference, you can obtain a much better sound
quality with better stereo and surround effects.
In addition, Dolby Digital enables stereo surround sounds, and sets
the cutoff frequency of the surround treble at 20 kHz, compared to
7 kHz for Dolby Pro Logic. As such, the sound movement and
“being-there” feeling are enhanced much more than Dolby Pro
Logic.
Reproducing Theater Ambience
In a movie theater, many speakers are located on the walls to
reproduce impressive multi-surround sounds, reaching you from all
directions.
With these many speakers, sound localization and sound movement
can be expressed.
Surround modes built in this receiver can create almost the same
surround sounds as you can feel in a real movie theater—with only
five or seven speakers (plus subwoofer).
Surround back speakers
Left surround
speaker
Left front speaker(s)
Right front speaker(s)
Subwoofer
Center speaker
Right surround
speaker
EN46-53_RX-DP10VBK[J]_f 2001.6.28, 10:01 AM46