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Surround Modes
Section
6-3
and phase relationship between the surround channels. This expands
the listening position and creates a more spacious surround sound
stage like a larger movie theater.
Advanced Speaker Array™
The Advanced Speaker Array (ASA) is a proprietary THX technology that
processes the sound going to the side and rear surround speakers. This
provides a more optimal surround sound experience. ASA is only
available in the THX Ultra2 Cinema and Music modes.
THX Cinema
THX cinema mode provides the additional processing required for the
optimal presentation of movies over the standard playback surround
modes.
In Surround reproduction, this mode provides Re-Equalization, Timbre
Matching and Adaptive Decorrelation as necessary to all channels.
In 2-Channel, this mode provides Re-Equalization of the Left and Right
channels.
In Mono, this mode provides Re-Equalization of the mono signal.
THX Ultra 2 Cinema
THX Ultra 2 Cinema mode plays 5.1 surround movies using all 7.1
channels, giving you the best possible movie experience. In this mode,
ASA Processing blends the side and rear surround speakers to provide
the optimal mix of ambient and directional surround sounds.
DTS-ES (Matrix and 6.1 Discrete) and Dolby Digital Surround EX en-
coded soundtracks will be automatically detected in THX Ultra2 Cin-
ema if the appropriate flag has been encoded into the material.
Some Dolby Digital Surround EX soundtracks are missing the digital
flag the enables automatic switching. If you know that a movie you are
watching is encoded in Surround EX, you can manually select the THX
Surround EX surround mode with the THX
THX
THX
THX
THX button.
THX Surround EX and Surround ES
THX Surround EX – Dolby Digital Surround EX is a joint development
of Dolby Labs and the THX division of Lucasfilms Ltd.
In a movie theater, soundtracks that are encoded with Surround EX
technology are able to reproduce an extra channel which has been
added during the mixing of the program. This channel, called Sur-
round Back, places sounds behind the listener in addition to the rest of
Summary of Contents for 7.1 Channel THX Ultra 2 Theater Processor
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