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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 MusicMode
For the replay of multi-channel music the THX MusicMode 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 Games Mode
For the replay of stereo and multi-channel game audio the THX
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 Games Mode is unique as it gives
you a smooth transition of audio in all points of the surround field.
The THX logo is a trademark of THX Ltd. which may be
registered in some jurisdictions. All rights reserved.
Listening modes with different input signal formats
The following charts outline the listening modes available with different input signal formats, depending on the surround back
channel processing and decoding method you have selected.
Stereo (2 channel) signal formats
SBch Processing Input signal format Standard THX Auto Surround
SBch
Processing
ON/AUTO
(Automatically
selects 6.1/7.1
channel decoding)
Dolby Digital Surround
2
Pro Logic IIx MOVIE
2
Pro Logic IIx MUSIC
2
Pro Logic IIx GAME
2
PRO LOGIC
a
Neo:6 CINEMA
Neo:6 MUSIC
2
Pro Logic IIx MOVIE+THX
2
PRO LOGIC+THX
a
Neo:6 CINEMA+THX
THX GAMES MODE
b
2
Pro Logic IIx MOVIE
DTS Surround
As above As above
Neo:6 CINEMA
Other stereo sources
As above As above
Stereo playback
DVD-A and SACD
c
As above
–
Stereo playback
SBch
Processing
OFF
(Maximum 5.1
channel playback)
Dolby Digital Surround
2
Pro Logic II MOVIE
2
Pro Logic II MUSIC
2
Pro Logic II GAME
2
PRO LOGIC
a
Neo:6 CINEMA
Neo:6 MUSIC
2
Pro Logic II MOVIE+THX
2
PRO LOGIC+THX
a
Neo:6 CINEMA+THX
2
Pro Logic II MOVIE
DTS Surround
As above As above
Neo:6 CINEMA
Other stereo sources
As above As above
Stereo playback
DVD-A and SACD
c
As above
–
Stereo playback
a.
2
PRO LOGIC
has a maximum of 5.1 channel playback.
b.Unavailable with only one surround back speaker connected.
c.VSX-AX4ASi only.
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