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LASER/DVD 1
AC3 NIGHT
Dolby Digital Modes (AC-3) - cont.
AC3 STANDARD Mode
This mode offers normal
dialogue normalization
coupled with full on/variable
HDR & LDR scaling.
AC3 MAX Mode
This mode offers maximum
dynamic range for dialogue
normalization taking place in
the digital domain.
AC3 NIGHT Mode
The least dynamic of all AC-3
modes, AC3 Night mode is
ideal for viewing movies when
loud bangs or other impact
related sounds would
normally be too loud.
AC3 THX Mode
This mode provides full THX
enhancements.
AC3 RE-EQ
This mode offers only THX
Re-equalization for the front
channels.
AC3 MONO Mode
This mode combines all five
channels of audio information
into the center channel.
LASER/DVD 1
AC3 STANDARD
LASER/DVD 1
AC3 MAX
LASER/DVD 1
AC3 THX
LASER/DVD 1
AC3 RE-EQ
Normal Dynamic Range - This
mode engages the AC-3 “Line
Mode” coupled with the High Level
(HDR) and Low Level (LDR) reso-
lution factors preset to “255” or Full
On. While the option of Line Mode
is fixed, the HDR & LDR factors
can be scaled.
Maximum Dynamic Range - This
mode uses the AC-3 Line Mode
setting as found in AC3 Standard,
however the HDR and LDR fac-
tors are fixed at “0” or Full Off. For
play back of films, this mode may
be preferred over AC3 Ultra in that
some compression schemes are
designed to recreate the movie
theater environment in the home.
Minimum Dynamic Range - This
mode uses the AC-3 RF Mod
Mode setting. Also, the HDR and
LDR factors are fixed at “255” or
Full On. This mode is ideal when
viewing a film at a time were the
bangs may be too louder or the
softer sounds too low. In AC3
Night, the audio range is narrowed
between loud and soft sounds.
Full THX Enhancements - This
mode engages all of the THX re-
lated filters including re-equaliza-
tion, timbre match, and
decorrelation.
THX Re-Equalization Only - This
mode is used to provide partial
THX enhancements focused on
the adjustment of sound levels for
the front three channels. Typically,
films are mixed with the front three
channels adjusted to compensate for the film screen they need to
project through. Re-EQ compensates for this factor in the home.
AC-3 Mono Mode - This mode
down mixes AC-3 into the center
channel. While this may not be
ideal for motion pictures and
broadcasts encoded in 5.1 chan-
nels, it may be used for older movies that were recorded in mono.
LASER/DVD 1
AC3 MONO C