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OPTIMOD-PC
and to permit the two-band compressor to perform all of the gain riding. This will
prevent excessive reduction of dynamic range, and will produce the most natural
sound achievable from the Two-Band structures.
With faster 2B R
EL
stantially with the amount of gain reduction in the two-band compressor. This
means that you should activate the gain-riding AGC to ensure that the two-band
compressor is always being driven at the level that produces the amount of gain re-
duction desired. Decide based on listening tests how much gain reduction gives you
the density that you want without creating a feeling of over-compression and fa-
tigue.
Release in the two-band compressor automatically becomes faster as more gain re-
duction is applied (up to about 10dB). This makes the program progressively denser,
creating a sense of increasing loudness although peaks are not actually increasing. If
the gain-riding AGC is defeated (with the AGC O
characteristic to preserve some feeling of dynamic range. Once 10 dB of gain reduc-
tion is exceeded, full loudness is achieved—no further increase in short-term density
occurs as more gain reduction is applied. This avoids the unnatural, fatiguing sound
often produced by processors at high gain reduction levels, and makes OPTIMOD-PC
remarkably resistant to operator gain-riding errors.
2B REL SHAPE ("2B Release Shape") selects a LINear or EXPonential release shape.
causes the Two-Band compressor to release at a constant number of dB per
L
INEAR
Two-Band Controls
Advanced Name
2B Drive
2B Release
2B Release Shape
2B Gate Threshold
2B Bass Coupling
Bass Clip Threshold
2B Master Compression Threshold
2B Bass Compression Threshold
2B Master Attack
2B Bass Attack
2B Crossover
2B Master Knee
2B Master Ratio
2B Master Breakpoint
2B Bass Knee
2B Bass Ratio
2B Bass Breakpoint
Loudness Threshold
Loudness Attack
Loudness Bass Couple
BS.1770 Threshold
control settings (above 8 dB/second), the sound will change sub-
Table 3-8: Two-Band Controls
control), you can use this
/O
N
FF
Range
–10 ... 25 dB
0.5 ... 20 dB / S
Linear, Exponential
Off, –44 ... –15 dB
0 ... 100 %
-6.0 ... 0.0 dB
–15 ... 0, Off
-10.0 ... 5.0 dB, Off
4 ... 50, Off
4 ... 50, Off
Allpass, Linear
0...50 dB
1:1...infinity:1
1...50 dB
0...50 dB
1:1...infinity:1
1...50 dB
Off, +10.0 ... -14.0 dB
0...100%
0...12 dB, Off
0...6 dB, Off
3-51
OPERATION
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