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High-pass mode will t most applications, avoiding any
unpleasant “pumping” or “breathing” effects due to the low-
frequency content in the programme material.
Band-pass mode operates in a similar fashion, but may be
better suited to audio material containing a lot of high-frequency
content.
Flat mode can be selected when the compressor is used as a
sound level limiter.
Make-up Gain – depending on the type of programme material,
using a compressor can reduce (or increase) the overall signal
level. Adjusting Make-up Gain allows overall unity gain through
the compressor to be restored. A range of 0 dB to +10 dB is
available.
Stereo Operation:
It is important to note that when ganging several input channels
together the compressor detection circuits of these channels
are linked. Thus, when using the compressor on stereo
channels, it is very important to gang left and right channels in
order to prevent the stereo image from shifting. When working
with separate subwoofers or a centre feed, it is advisable not
to gang these channels with the left and rights channels as this
may lead to unexpected results.
As opposed to what many compressors do, the ganged
channels are not summed before the detection circuit. Instead,
it is the highest detected signal that triggers the compression.
This implementation gives far better results.
Input channel submenu Softkeys – Copying and Resetting
menu items
From within any of the Input Channel menu items, two further
softkey functions are available in addition to Copy Channel and
Gang/Ungang:
– Copy single menu item parameters. This function is
similar to Copy Channel, but only copies the parameters for the
currently-selected Input Channel menu item – e.g., if selected
from the Delay screen, only the Delay block’s parameters will
be copied.
– Reset single menu item parameters. When Reset
is selected, a Yes h or No i choice is offered; on selecting
Yes, the parameters for the currently-selected menu item are
reset to those stored in the currently-loaded Preset, effectively
cancelling any alterations that have been made since the
Preset was loaded .
Mix Matrix submenu
The Mix Matrix is where the Intelli-X
2
’s basic conguration is
dened, in terms of which inputs are routed to which outputs.
Some practical examples of input-output routing are given in
“Principles of Operation”.
Each Intelli-X
2
output has a corresponding Mix Matrix screen,
showing which inputs are routed to it, and the gain or attenuation
applicable to each connection.
When Mix Mtx is selected from the Audio submenu, the screen
initially shows the routing for Output 1. The inputs that are
routed to Output 1 will have their MUTE/SELECT buttons [9]
showing green, and the on-screen checkbox for the input will
be ticked. Output 1’s MUTE/SELECT button [11] will also show
green. To assign (or de-assign) inputs from Output 1, either
press the relevant Input MUTE/SELECT buttons, or scroll with
the rotary control to the appropriate checkbox and press Enter.
The inputs assigned to any other output can be displayed by
pressing that output’s MUTE/SELECT button, and changed in
the same way.
The Intelli-X
2
’s Mix Matrix is a Variable Gain Matrix, which
means that gain or attenuation can be applied to any I/O
crosspoint. The default value is 0 dB, by scrolling to the Gain
eld on the display and pressing Enter, the rotary control can
be used to change this in the range -80 dB to +15 dB. Every
crosspoint can have its own gain setting.
Mix Matrix submenu Softkeys – Copying and Resetting
matrix settings
From the MixMatrix submenu, two softkey functions are
available:
– Copy the matrix settings. This function is similar to
Copy Channel but only copies the settings of the Mix Matrix.
Note that because the Mix Matrix screen displays input
assignments to one output channel at a time, it is the output
channels that form the “source” and destination(s)” for copying.
– Reset matrix settings. When Reset is selected, a
Yes h or No i choice is offered; on selecting Yes, the matrix
settings for the currently-selected output are reset to those
stored in the currently-loaded Preset, effectively cancelling any
alterations that have been made since the Preset was loaded.
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