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Linear Acoustic AERO.one V3 User Guide
Chapter 3: Applications
The AERO.one is intended to be used in an emission (transmission) environment. This
chapter discusses several applications, including describing how it can be used to support
three common US terrestrial network configurations:
•
AC-3 at 384/448 kbps (FOX, PBS)
•
Baseband PCM (NBC, ABC after distribution via MPEG1 Layer 2)
•
PCM/Dolby E within HD-SDI (CBS)
Additional information is provided that explores the challenges and requirements of audio
metadata and how it can impact local television station audio setup. Specific descriptions for
configuring local Dolby Digital (AC-3) encoders are also provided.
Although each environment has unique requirements, they are also very similar. The figures
below show how the AERO.one can be integrated within each of the environments. First
however, a general application diagram is shown below to illustrate how the unit might be
applied. Facilities will differ, but the overall signal flow will be indicative of how the unit can
be installed.
There are a few common feature that might be useful. For example, EAS audio can be ap-
plied to the AERO.one via a dedicated AES or SDI input. A stereo and matrix surround-
compatible LoRo or LtRt signal is also generated from the main audio program and provided
via a dedicated AES or SDI output.
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