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SP2 PREAMP/PROCESSOR
● ON: DTS-ES Matrix will be forced on
for all DTS 5.1 channel input bit-
streams, if the back channels are
enabled.
● AUTO: DTS-ES Matrix will be decode if the
incoming DTS bitstream is flagged
as having DTS-ES encoded con-
tent, and if the back channels are
enabled.
ENABLING THX SURROUND EX™ DECODING
THX Surround EX™ processing creates back chan-
nel material from material contained in the sur-
round channels of Dolby Digital 5.1 bitstreams.
Some Dolby Digital material has been formatted
so that THX Surround EX™ processing is applied,
specific material will be placed on the back chan-
nels, while other specific material remains on the
surround channels. To control when THX Surround
EX™ processing will be applied, change the EX
Control setting as follows:
1: First enter the main menu by pressing on any
one of the menu buttons (< - > or SELECT)
2: Next move the cursor to “OS”. Hit ‘SELECT’;
you are now in the ‘Other Settings’ menu.
3: Move the cursor to “EX”. Hit ‘SELECT’; you can
now change the EX Control setting.
The options available in this menu are:
● DISABLE: THX Surround EX™ will not be
decoded
● ON: THX Surround EX™ will be forced
on for all Dolby Digital 5.1 channel
input bitstreams, if the back chan-
nels are enabled.
● AUTO: THX Surround EX™ will be decod-
ed if the incoming Dolby Digital
bitstream is flagged as having
THX Surround EX™ encoded con-
tent, and if the back channels are
enabled.
For more information on THX Surround EX™, visit
www.thx.com
CHANGING DOLBY PLII MUSIC SETTINGS
Dolby Pro Logic II is the next generation in Dolby
Surround decoding. It is designed specifically
to decode all existing Dolby Surround programs
and provide improved spatiality and directional-
ity of sounds. Through the use of an elegant new
approach to matrix surround decoding and the
decoding of stereo, full-bandwidth surround out-
puts, Pro Logic II decoding effectively bridges the
gap between Pro Logic and discrete Dolby Digital
5.1 soundtracks.
Pro Logic II is also designed for use with unencod-
ed stereo music recordings. The listener is drawn
into a three-dimensional space, rather than hearing
a flat, two-dimensional presentation. This not only
helps develop a more involving soundfield, but also
solves the narrow “sweet spot” problem of conven-
tional stereo reproduction. All of these benefits are
provided using the same “3/2” speaker configura-
tion consumers have been using with Pro Logic
since 1988.
Pro Logic II follows in the footsteps of Pro Logic
and Dolby Digital 5.1 channel decoding. In many
key respects, Pro Logic II fits into this environment
seamlessly. Electrically, the parameters of head-
room, reference level, channel calibration, output
trim controls, noise sequencer, and master volume
control are all unchanged relative to a Pro Logic
decoder within a 5.1 channel Dolby Digital decoder.
The main difference is that besides the stereo sur-
round outputs, Pro Logic II provides some new,
optional modes to enhance music playback.
PLII Film: This is the preferred decoding
method for watching movies with matrix surround
encoding. The centre width and dimension vari-
ables are set and optimized for this application,
and cannot be adjusted. No filters are present on
the surround channels, and auto-balance is opera-
tional.
PLII Music: This mode can enhance normal ste-
reo music recordings, offering a wider soundstage
and enhanced spatial effects. This offers user con-
trol over:
1: Center Width Control allows variable adjust-
ment of the center image so it may be heard
only from the center speaker, only from the
left/right speakers as a “phantom” center
image, or various combinations of all three
front speakers. For home users, it allows
improved blending of the center and main
speakers, or to control the sense of image
width, or “weight.”
2: Dimension Control allows the user to gradu-
ally adjust the soundfield either towards the
front or towards the rear. This can be useful to
help achieve a more suitable balance from all
the speakers with certain recordings.
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