Crown Audio IQ 5.1 Software for Windows IQ Mixers - Manual (Page 16)

Turn this control on for any SMX-6s that you want to participate in the Crown Local Net.
Duck On/Off
Turn this control on for all SMX-6s in a Crown Local Net that you want to respond to external Duck Priority
functions.
Gate Count On/Off
Turn this control on for all SMX-6s in a Crown Local Net that you want to respond to external Gate Count
functions.
P
Ambience
R
AMB-5
Applies To
E
L
The Ambience function is unique to the AMB-5. The Ambience function monitors the ambient sense input
(Input 6) and automatically adjusts the mix output level of Channel 1 up or down accordingly. This
enables the AMB-5 to automatically mix and control the overall loudness in an environment with
background noise levels that vary.
Access Ambience functions by clicking on the "Ambience" tab of the Auto control pages.
I
Functionally, the ambience function operates after all other functions have processed the audio signals.
You can think of the ambience function as a "black box" that sits after all other audio functions.
M
Each input (1 - 5) of Channel 1 contains a single control:
I
The Max Gain is the upper limit for input gain. It is a gain ceiling when the Ambience function is
attempting to raise the gain due to a high ambient level.
Max Gain (dB, -100 to +25 in 1/2 dB steps)
N
The main controls that affect the ambience function are:
A
This control turns the Ambience function on or off
Ambience On/Off
R
Y
The Ambient Offset is the level below Max Gain to which the Channel 1 gain will be set until the ambience
level exceeds the Threshold setting. As the ambience level increases above the Threshold setting, the
Channel 1 gain will be increased above the Ambient Offset according to the Expansion Ration setting.
The Max Gain setting always limits the maximum possible gain that any input can receive.
Ambient Offset (dB, 0 to +40 in 1/2-dB steps)
The Threshold determines at what ambient sound level the Ambience function will begin to operate. It is
the sound pressure level of the ambient sensing input (Input 6). When the signal level of Input 6 exceeds
the Threshold setting, the Ambience function begins to increase the gain of Channel 1 at a rate dictated
by the Expansion Ratio control.
Threshold (dB, -100 to +25 in 1/2-dB steps)
Expansion Ratio (1:1, 1.5:1, 2:1, 2.5:1, 3:1, 4:1, 5:1)
The Expansion Ratio determines how much the gain of output Channel 1 will increase for every increase
in the ambient signal level above the Threshold setting. A 4:1 Expansion Ratio setting will raise the output
gain 1 dB for every 4 dB that the ambient signal increases.
Attack Time (0.2, 0.4, 0.6, 0.8, 1, 1.5 ,2, 3, 4, 6, 8, 10, 12, 15, 20, 30 seconds)
Page 16 of 18 ©2002 by Crown Audio Inc.