Manual

Model 43D User Guide Issue 1, September 2015
Studio Technologies, Inc. Page 5
Introduction
The Model 43D IFB Interface provides
broadcast-standard powered and non-
powered analog audio IFB outputs from
audio signals that are being transported
using the Dante™ Audio-over-Ethernet
media networking technology. IFB, also
known as “interruptible foldback” or tal-
ent cueing, is a method commonly used
for on-air talent and related personnel
to receive one-way (listen-only) audio
signals associated with live-event broad-
casts. Especially important in sports and
entertainment events, IFB plays a crucial
role in virtually all broadcast applications
that require people to stay “in the know.”
Dante has found wide acceptance as an
audio “backbone” due to its ease of use,
high performance, strong interoperability,
and wide adoption by a large number of
equipment manufacturers. The Model 43D
is a specialized “tool” that helps to extend
Dante’s capabilities into the important but
specialized world of broadcast and pro-
duction IFB.
Dante Audio-over-Ethernet technology is
used to transport the four audio channels
that are associated with two, 2-channel
IFB outputs from their source to the Model
43D. Each of the Model 43D’s two powered
IFB outputs supply operating power and
two audio channels to groups of listen-only
user devices. Two line-level analog outputs
are also provided for general-purpose use.
The Model 43D is compatible with the latest
broadcast and audio equipment that uses
Dante technology. An Ethernet connection
is all that’s required to make the Model 43D
part of a sophisticated, networked audio
system.
A Model 43D utilizes four digital audio
input channels typically provided by Dante-
enabled devices such as matrix intercom
systems, DSP processors, broadcast rout-
ers, and audio consoles. The powered IFB
outputs allow direct connection with listen-
only user beltpacks such as the popular
Model 32A from Studio Technologies.
The line-level IFB outputs are provided for
connection with a variety of devices that
Figure 1. Model 43D standard “throw-down” front view
Figure 2. Model 43D back view