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• THX Surround EX
THX Surround EX - Dolby Digital Surround EX is a joint development
of Dolby Laboratories and the THX Ltd. In a movie theater, film
soundtracks that have been encoded with Dolby Digital Surround EX
technology are able to reproduce an extra channel which has been
added during the mixing of the program. This channel, called
Surround Back, places sounds behind the listener in addition to the
currently available front left, front center, front right, surround right,
surround left and subwoofer channels. This additional channel
provides the opportunity for more detailed imaging behind the
listener and brings more depth, spacious ambience and sound
localization than ever before. Movies that were created using the
Dolby Digital Surround EX technology, when released into the home
consumer market may
ex
hibit wording to that effect on the
packaging. A list of movies created using this technology can be
found on the Dolby web site at www.dolby.com.
Only amplifier and controller products bearing the THX Surround EX
logo, when in the THX Surround EX mode, faithfully reproduce this
new technology in the home.
This product may also engage the “THX Surround EX” mode during
the playback of 5.1 channel material that is not Dolby Digital
Surround EX encoded. In such case the information delivered to the
Surround Back channel will be program dependent and may or may
not be very pleasing depending on the particular soundtrack and the
tastes of the individual listener.
• Boundary Gain Compensation™
Depending on the listener’s and the subwoofer’s position, the listener
may experience an excessive bass effect. This feature compensates
for excessive bass resulting from a boundary gain effect. This feature
is designed to operate when used with a subwoofer certified to THX
Select2™ specifications.
• THX Loudness Plus Description
THX Loudness Plus is a new volume control technology featured in
THX Ultra2 Plus™ and THX Select2 Plus™ Certified amplifiers. With
THX Loudness Plus, home theater audiences can now experience the
rich details in a surround mix at any volume level. A consequence of
turning the volume below Reference Level is that certain sound
elements can be lost or perceived differently by the listener. THX
Loudness Plus compensates for the tonal and spatial shifts that occur
when the volume is reduced by intelligently adjusting ambient
surround channel levels and frequency response. This enables users
to experience the true impact of soundtracks regardless of the volume
setting. THX Loudness Plus is automatically applied when listening in
any THX listening mode. The new THX Cinema, THX Music, and THX
Games modes are tailored to apply the proper THX Loudness Plus
settings for eac
h type of
content.
• ASA Description
ASA is a proprietary THX technology which processes the sound fed
to 2 side and 2 back surround speakers to provide the optimal
surround sound experience. When you set up your home theater
system using all eight speaker outputs (Left, Center, Right, Surround
Right, Surround Back Right, Surround Back Left, Surround Left and
Subwoofer), be sure to go to the THX Audio Set-up screen and choose
the setting that most closely corresponds to the speaker spacing,
which will re-optimize the surround sound-field. ASA is used in three
modes; THX Ultra2 Cinema, THX Ultra2 Music and THX Ultra2 Games.
• THX Select2 Cinema
THX Select2 Cinema mode plays 5.1 movies using all 8 speakers
giving you the best possible movie watching experience. In this mode,
ASA processing blends the side surround speakers and back
surround speakers providing the optimal mix of ambient and
directional surround sounds.
DTS-ES (Matrix and 6.1 Discrete) and Dolby Digital Surround EX
encoded soundtracks will be automatically detected in Select2
Cinema mode if the appropriate flag has been encoded.
Some Dolby Digital Surround EX soundtracks are missing the digital
flag that allows automatic switching. If you know that the movie that
you are watching is encoded in Surround EX, you can manually select
the THX Surround EX playback mode, otherwise THX Select2 Cinema
mode will apply ASA processing to provide optimum replay.
• THX Select2 Music
For the playback of multi-channel music the THX Select2 Music mode
should be selected. In this mode THX ASA processing is applied to the
surround channels of all 5.1 encoded music sources such as DTS,
Dolby Digital and DVD-Audio to provide a wide stable rear
soundstage.
• THX Select2 Games
For the playback of stereo and multi-channel game audio the THX
Select2 Games mode should be selected. In this mode THX ASA
processing is applied to the surround channels of all 5.1 and 2.0
encoded game sources such as analog, PCM, DTS and Dolby Digital.
This accurately places all game audio surround information,
providing a full 360 degree playback environment. THX Select2 Games
mode is unique as it gives you a smooth transition of audio in all
points of the surround field.
THX, the THX logo and Select2 Plus are trademarks of THX Ltd. which
may be registered in some jurisdictions. All rights reserved. All other
trademarks are the property of their respective owners.
About iPod
“Made for iPod” means that an electronic accessory has
been designed to connect specifically to iPod and has
been certified by the developer to meet Apple
performance standards.
“Works with iPhone” means that an electronic accessory
has been designed to connect specifically to iPhone and
has been certified by the developer to meet Apple
performance standards.
Apple is not responsible for the operation of this device or
its compliance with safety and regulatory standards.
iPod is a trademark of Apple Inc., registered in the U.S. and
other countries.
iPhone is a trademark of Apple Inc.
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