Extron electronics DMP 44 LC User Manual page 38

Four-line input and four-line output digital matrix processor
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f
By (dB)
Individual attenuation settings for each duck target in dB. The default is 20.0 dB. If
additional attenuation of the target(s) is required, increase this value.
The attenuation range is 80.0 to 0.0 dB in 0.1 dB increments.
Priority
In some cases, multiple levels of ducking may be required enabling an input source to take
precedence over all but one other input.
In the example below inputs 2 and 3 are set to duck when input 1 has a signal above the
ducking threshold. Input 2 is set to duck input 4.
Notice the priority tree in the illustration below ( d ). The inputs are arranged by their
priority status. Input 1 has inputs 2 and 3 under it, therefore, if input 1 exceeds the
threshold, it will trigger inputs 2 and 3 to duck. Similarly, input 2 has input 4 under it.
Therefore, if input 2 exceeds the threshold, it will trigger input 4 to duck. Since input 2 has
input 4 under it, input 1 triggers inputs 2, 3 and 4.
2
4
3
1
Figure 17.
Ducker Configuration, Input Priority
Ducking attenuation is not additive. When an input target is ducked, regardless of how far
down the priority line it is, the maximum attenuation is what is set in the by: column near
the center of the dialog box.
DMP 44 LC • Operation
32

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