Sunfire Bob carver's Ultimate receiver User Manual page 44

CHAPTER 5
Surround Modes for Multi-Channel Sources
For multi-channel sources, the Re-
ceiver will automatically select the cor-
rect mode from one of the following:
DOLBY DIGITAL
DOLBY DIGITAL EX
DTS
DTS-ES MATRIX
DTS-ES DISCRETE
Dolby Digital and DTS are "5.1"
sur round systems with Þ ve main chan-
nels: left front, center, right front, left
sur round, and right surround. Each
channel can play the full frequency
range and is independent of the
other chan nels. The ".1" denotes the
sub woof er channel which plays the
low frequency effects (LFE), also in de -
pen dent of the other channels.
Dolby Digital EX and DTS ES offer
"Extended Surround." Both systems
offer a surround back channel which
effectively Þ lls in the otherwise empty
soundspace behind you.
If you want to try one of the modes
on the previous page, you should se-
lect a 2-channel output from your DVD
player's options menu.
DOL BY DIGITAL (5.1)
This mode is available if the
Receiver au to mat i cal ly detects a
Dolby Digital en cod ed source on
the currently selected input.
You should look for the Dolby
Digital Logo on DVDs, LaserDiscs
and other sources.
Many DVDs have the option of a
Dolby Pro Logic, Dolby Digital or
Stereo soundtrack. You may have
to follow the instructions in your
DVD player's instruction manual
for your player to output Dolby
Digital bitstreams. Dolby Digital
must often be selected from the
Disc's menu.
44
DOLBY DIGITAL EX (6.1)
Dolby Digital EX mode is primarily
for playback of Dolby Digital Sur-
round EX encoded soundtracks.
One of its advantages over Dolby
Digital playback is that it Þ lls in
the area behind the listener with
a completely separate full-range
channel.
The Receiver has the option of
connecting one or two surround
back speakers. The calibration
and speaker size options allow
a seamless surround Þ eld to be
created.
If you do not have the surround
back speakers connected, then
the extra information is sent to the
standard surrounds and no mate-
rial is lost. (Set the surround back
speakers to OFF in the SPEAKER
SIZE menu).
The Receiver will also create the
surround back channel if you are
playing a 5.1 source.
DTS (5.1)
This mode is available if the
Receiver automatically detects
that a DTS en cod ed source
is present at one of it's digital
inputs. Look for the DTS Logo on
DVDs, LaserDiscs, CDs and other
sources.
Make sure that you set your
player to output DTS bitstreams.
DTS must also be selected on the
disc's menu.
DTS ES (6.1)
All DTS-ES sources have the
surround back channel matrixed
in the left and right surrounds.
Newer DVD releases also have a
discrete surround back channel, in
addition to the same information
matrixed.
DISCRETE ES sources: the
Receiver DTS-ES discrete de-
coder will decode the discrete
surround back channel. It also
removes the surround back matrix
from the left and right surrounds,
and restores them to be fully inde-
pendent channels.
MATRIX ES sources: If there is
no discrete surround back chan-
nel, the Receiver decodes the
matrixed surround back channel
from the left and right surrounds,
and restores them to be fully inde-
pendent channels.
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