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DC-1 Digital Controller
DC-1Effects
Parameter Initial Value Range
AC-3 STATUS (display only — not user adjustable)
COMPRESSION Off Off, On, AUTO
RE-EQUALIZER On On, Off
LFE MIX LEVEL +0.0dB -10.0dB to 0.0dB
SUBWOOFER LVL +0dB -5 to +5dB
CUSTOM
This Effect, available only in DC-1’s equipped with Dolby Digital process-
ing, provides THX 5.1 Cinema enhancements for film soundtracks recorded
in the Dolby Digital format. This processing compensates for the acoustical
differences between large mixing theaters and the typically smaller home
environment. In this effect the side and rear speakers are driven in parallel
when you designate side speakers as STANDARD (LARGE or SMALL) in
the Speaker Configuration menu.
THX 5.1
(Dolby Digital version)
THX 5.1 Parameters
AC-3 STATUS displays the current status of incoming AC-3 data. The
displayed items are not user adjustable.
COMPRESSION enhances the intelligibility of Dolby Digital material at
low volume levels (-6dB or lower). When set to AUTO, this control auto-
matically limits peak signals and boosts low level signals. The amount of
compression increases proportionately as volume is decreased. This is quite
useful when listening to Dolby Digital soundtracks at low output levels.
When set to ON, full compression is applied, regardless of volume.
RE-EQUALIZER equalizes the left, center, and right channel outputs to
match the overall frequency balance of the original recording. Without this
re-equalization, many films and some television programs will sound too
bright.
LFE MIX LEVEL allows separate level attenuation of the LFE channel,
which is ultimately mixed to the subwoofer output. As the bass from as
many as five other channels is added to the LFE, it can significantly raise
subwoofer output levels — and create the risk of damage to a system.
Careful adjustment of this parameter will allow you to achieve proper tonal
balance and reduce the risk of damage.
SUBWOOFER LVL boosts or cuts the subwoofer output level. Although the
normal subwoofer level is set during the calibration procedure, with some
recordings it may be desirable to increase or decrease this deep bass level.