Section 28: Inputs Tab
T
ieline
Page 253
T E C H N O L O G Y
28.5.4.
IGC Summary
In summary, when the broadcast action really starts to heat up, the inbuilt
DSP limiter automatically takes care of the instantaneous peaks that occur in
demanding broadcast situations.
T
ieline
recommends enabling the use of
IGC
when using your codec.
IGC
on the inputs, if enabled, is activated at +14 dBu.
As mentioned,
IGC Auto Lvl
is enabled as a default in the manual default
profiles. (Related topic: PPM Displays)
28.6.
Routing Voice Calls to a Codec’s Analog Outputs
It is possible to route POTS and GSM voice calls to a codec’s analog outputs by
pressing
SOFTKEY 1 Audio
and selecting [Route PhIn to CHOut] > [Enable].
The default setting is
Disable
.
This can also be configured using
Tool
Box
software via the
Inputs
tab, as
displayed in the following image.
Figure 71: Route Phone Input to Outputs Check-Box
Once this has been configured, analog audio is routed to the analog outputs
instead of the
Encoder/s
– allowing this audio to be used as an analog program,
foldback or IFB feed.
28.7.
Phone Input: Operation of the I-Mix G3 Phone Coupler
28.7.1.
Simultaneous Off-Air Communications
The
i
-Mix
G
3
has a telephone coupler system which can be used either for
bi-directional communications, or for integrating callers into program signals.
In other words, a caller can dial into or out of the codec, and by using the
