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OPTIMOD-PC
OPTIMOD-PC's Two-Band Structure can be made phase-linear throughout to maxi-
mize sonic transparency. However, you can also choose an allpass crossover structure
(see AGC C
ROSSOVER
The Two-Band structure has an open, easy-to-listen-to sound that is similar to the
source material if the source material is of good quality. However, if the spectral
balance between the bass and high frequency energy of the program material is
incorrect, the Two-Band structure (when its B
ward 0%) can gently correct it without introducing obvious coloration.
If you need these automatic re-equalization capabilities of the Two-Band
structure, you may find one of the Five-Band presets to be even more ef-
fective.
There are several Two-Band presets. See Table 3-2: Radio-Style Presets on page 3-21.
The P
-0
ROTECT
DB
hancer, AGC, and equalizer are defeated via their user controls.
Customizing the Settings
Each Two-Band Factory Preset has a L
screen) that adjusts loudness. L
controls to optimize the trade-offs between unwanted side effects as processing
levels are decreased or increased.
If you wish, you may adjust the Modify parameters to your own taste. Always start
with L
to get as close to your desired sound as possible. Then edit the Mod-
-M
ESS
ORE
ify parameters using the Basic, Intermediate or Advanced Modify screen, and save
those edits to a User Preset.
The Two-Band Structure's Full and Advanced Setup Controls
The tables below show a summary of the Two-Band controls in the dynamics section.
AGC, Equalizer, Stereo Enhancer, and Clipper controls are common to both Two-
Band and Five-Band structures and are described in the pages above.
Some of the Two-Band controls are common to the Full Modify and Advanced Mod-
ify screens, with additional Two-Band controls available in the Advanced Modify
screen.
2B DRIVE control adjusts signal level going into the two-band compressor, and
therefore controls the density of output audio by determining the amount of gain
reduction in the two-band compressor. The resulting sound texture can be open and
transparent, solid and dense, or somewhere in between. The range is 0 to 25dB.
Regardless of the release time setting, we feel that the optimal amount of gain re-
duction in the two-band compressor for popular music and talk formats is 10-15dB.
on page 3-37).
preset uses the Two-Band structure. In this preset, the stereo en-
ESS
-M
ESS
ORE
control is operated to-
C
ASS
OUPLING
control (located in the Basic Modify
-M
ORE
simultaneously adjusts all of the processing
3-41
OPERATION
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