Lexicon DC-1 User Manual download pdf (Page 67)

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.

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Lexicon DC-1 User Manual Page 67