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Audio Adjust
3-8. Surround Sub-menu
This sub-menu provides various settings for modifying the plain
Dolby Digital, DTS, and Pro Logic II Surround listening modes. The
settings that can be set are shown in the table below.
Setting Values Initial value
a. Surr Mode Pro Logic II Movie
Pro Logic II Movie
(Analog/PCM) Pro Logic II Music
Neo:6 Cinema
Neo:6 Music
b. Surr Mode Pro Logic II Movie
Pro Logic II Movie
(D.F. 2ch) Pro Logic II Music
Neo:6 Cinema
Neo:6 Music
c. Dolby D EX Auto, On, off On
(Dolby D)
d. DTS-ES Auto, On, Off Auto
<Pro Logic II Music>
e. Panorama Off, On Off
f. Dimension 0, 1, 2, 3, 4, 5, 6 3
g. Center Width 0, 1, 2, 3, 4, 5, 6, 7 3
<Neo: 6 Music>
h. Center Image 0, 1, 2, 3, 4, 5 3
a. Surr Mode (Analog/PCM)
Changes the surround mode for when 2-channel analog/PCM signals
are input.
b. Surr Mode (D.F. 2ch)
Changes the surround mode for when 2-channel digital signals are input.
c. Dolby Digital EX (Dolby D)
If you have surround back speakers connected, use this setting to
select whether or not you will use Dolby EX playback.
Auto: When the source has an EX flag (ID signal for Surround EX),
the playback is automatically changed to Dolby Digital EX. If the
source has no EX flag, the playback is changed to Dolby Digital.
On: The playback is set to Dolby Digital EX.
Off: The playback is set to normal Dolby Digital.
If your surround channel is monaural or you do not have a surround
channel, then the playback will be normal Dolby Digital regardless
of the above setting.
You can change the Dolby Digital EX mode settings easily using the
remote controller. While playing a Dolby Digital source, after
selecting Dolby D for listening mode, each press of the
SURROUND button on the remote controller cyclically changes the
Dolby Digital EX mode in the order of “Auto,” “On,” and “Off.”
d. DTS-ES
This setting selects the DTS-ES mode.
Auto: Select to have the listening mode change automatically to
DTS-ES Discrete 6.1 or DTS-ES Matrix 6.1. If the DTS source
has no DTS-ES flag, the mode is changed to DTS 5.1 when the
DTS source has the DTS-ES flag (ID signal for DTS-ES).
On: Select to have the listening mode change automatically to
DTS-ES Discrete 6.1 or DTS-ES Matrix 6.1 when the DTS
source has the DTS-ES flag, and to DTS-ES Matrix 6.1 when the
DTS source has no DTS-ES flag.
Off: Select to not use DTS-ES listening modes even when the
DTS source has the DTS-ES flag. With this setting, the DTS
sources are always played in DTS 5.1 mode.
e. Pro Logic II Music Panorama
Use this setting to extend the front stereo image to include the surround
speakers for an exciting wraparound effect with side wall imaging.
On: Select to turn on the PL II Music Panorama mode.
Off: Select to turn off the PL II Music Panorama mode.
f. Pro Logic II Music Dimension
Use this setting to gradually adjust the soundfield forward or
backward.
The setting of “3” is the normal position. Change the setting to “2” or
lower to move the sound space forward and setting to “4” or higher
to move the sound space backward.
If the stereo recording has excessive broadness or too strong
surroundness, move the sound space forward to get the appropriate
sound balance. In contrast, if the stereo recording is somewhat felt
like monaural or has narrowness, move the sound space backward to
get more surroundness.
g. Pro Logic II Music Center Width
In Pro Logic II decoding, center signals are output from the center
speaker. When the center speaker is not used, the decoder will divide
the center signal equally to both the front left and right speakers to
create a “phantom” center sound image.
The Pro Logic II Music Center Width mode allows you to adjust from
where the center sound image is heard. Using this, you can have the
soundfield be heard from the center speaker only, from the front left
and right speakers only (as a phantom center sound image), or from all
three speakers (center, front left and right) in various level
combinations. For home use, applying some width to the center signal
will improve the level balance for the center and main speakers, and
effect the width of the center sound image, or “weight” of the sound.
Many sound recordings processed for stereo playback will be
reproduced better by proper control of this setting. The recommended
setting for Pro Logic II Music mode is “3.” This allows you to easily
distinguish the Pro Logic II Music mode from the Pro Logic II Movie
mode whose setting is automatically set to “0.”
h. Center Image
DTS Neo:6 derives a center channel from two-channel PCM and
analog sources.
In cinema mode, for Lt/Rt film soundtracks, sounds steered to the
center are subtracted from the left and right channels.
In music mode, the intent in the front channels is less one of steering
and more one of stabilizing the front image by augmenting it with a
center channel, while preserving the original perspective of the
stereo mix. Therefore the derived center is never fully subtracted
from the left and right channels.
Center Image is the factor controlling the amount of subtraction. It
varies between 0 and 5 in steps of 1 and the default value is 3.
When Center Image=5, the factor is zero and nothing is subtracted
from the left and right channels. When Center Image=0, the center
channel is subtracted from the left and right channels at half level
(–6 dB) for each channel. The signal level sent to the center channel
output is not affected by Center Image.
This control should be set based on room layout and personal preferences.
A setting of 5 allows the left and right channels to pass through unaltered
from the stereo mix. A setting of 0 gives more center channel dominance,
which is particularly desirable if listeners are located well off-center. At
any setting, the center speaker anchors the image.
Center Image is only enabled when the listening mode is DTS Neo:6 Music.