Mark Levinson N40 - Manual (Page 131)

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Nº40 Media Console Menu System
• THX Surround EX
Use Dolby Pro Logic II matrix processing to create the
surrounds and back channels from the surround left and
surround right channels. Add THX cinema post processing. If
the multichannel signal is DTS, then DTS NEO:6 is used instead
of Dolby Pro Logic II and the mode is called Surround Plus +
THX Cinema. One or two surround back speakers are required.
• THX Ultra2 Cinema
Use THX Advanced Speaker Array technology to create the
Surround and Back channels from the surround left and
surround right channels. Add THX cinema processing including
RE-EQ, Timbre Matching and Adaptive Decorrelation. Two back
speakers are required and it is not available for six channel
streams (Dolby-EX or DTS-ES).
• THX Music Mode
Uses THX ASA processing to provide a wide stable rear sound-
stage for multichannel music. Two surround back speakers are
required and it is not available for six channel streams (Dolby-
EX or DTS-ES).
• Surround Redirect
The surround channels are sent to the surround back speakers
and the primary surround speakers are turned off. Two
surround back speakers are required and it is not available for
six channel streams (Dolby-EX or DTS-ES).
Surround Adjustments If the current surround mode allows for adjustments, this menu
item will show you which are available and let you make imme-
diate changes. The following surround processing modes have
adjustments, but only those available in the current context will be
displayed.
Dolby Pro Logic II Music
• Center Width
The center width control allows variable adjustment of the
center image so it can be heard only from the center speaker
(most narrow); only from the left/right speakers as a phantom
image (most wide); or from all three front speakers to varying
degrees. The default setting of neutral applies a small amount of
“width” to the center signal, which improves the blending of
the center speaker with the main speakers.
• Dimension
A simple control that alters the ratio of L+R to L–R for the 2-
channel input signals. It allows the user to gradually adjust the
soundfield either towards the front or towards the rear. If a
recording is too spacious or strong from the surrounds, it can be