CHAPTER 12
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FM MENU EXPERT MODE
Wideband AGC 2
Main
The Omnia.9’s Wideband AGC2 control allows you to insert one additional AGC processing stage into the chain as outlined in
detail below.
The Wideband AGC2 Main menu provides access to the Sidechain Delay, Maximum Gain, Maximum Gain Reduction, Ratio,
Attack, Release, Progressive Release, Target, Gate Threshold and Freeze Threshold.
♦ The Bypass button removes the Wideband AGC2 compressor from the audio path, but its patch point remains an
available option for viewing on the oscilloscope or RTA via the Display Settings menu.
♦ The Sidechain Delay, Maximum Gain, Maximum Gain Reduction, Ratio, Attack speed, Release speed, Progressive
Release, Target, Gate Threshold, and Freeze Threshold controls work in the same manner as their counterparts in the
Wideband AGC1 section.
♦ The Wideband AGC2 dropdown control enables or disables the Wideband AGC2 section and allows you to choose
whether it is situated before or after the Multiband AGC section or used as a dedicated Bass Compressor.
♦ If you use the AGC2 as a Bass Compressor, it will be situated after the Multiband section but will affect only the lower
bands, and allow you to push the bass a bit harder without over-driving the final clipper or using excessively fast attack
and release speeds in the lower bands of the Multiband AGC.
♦ Bass Only (“BO”) employs a sidechain filter that allows only the audio from the lower bands to affect gain, so only the
lower frequencies are compressed above threshold.
♦ Bass Wideband (“BW”) also employs a sidechain filter, but one that contains the entire audio spectrum, so the bass
becomes more compressed when the entire mix is above threshold. This mode is most useful when loudness is your
primary processing goal, as it could allow full-scale bass audio in circumstances when there is no mid-range or treble
audio present. However, there will be less bass present in situations when there are other frequencies present.
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