A Standard for MPX Over AES?
Nautel and Omnia hope other broadcast
manufacturers will adopt their recent idea, so the companies have released a
statement proposing that their digital composite interface be taken up as an
open standard. “The long sought after goal of a fully digital transmission
chain which doesn’t sacrifice loudness has now been realized due to the
collaboration between Omnia and Nautel,” they wrote.
hope the technology — called Omnia Direct, in their own implementation — will be
adopted by other processing and transmitter manufacturers. Nautel President/CEO
Peter Conlon stated that through “opening up the implementation details,” other
companies can develop interoperable solutions. “Customers will have the choice
of their transmitter and processor, and be able to use digital multiplex, and
the industry can avoid the possibility of incompatible standards.”
The technology permits one AES-EBU cable between a processor and
a transmitter to carry the baseband signal in digital form, doing away with the
need for an analog composite signal. The suppliers say that this eliminates
noise and distortion of A/D converters and reduces potential overshoots while
ensuring FCC mask compliance. Telos Alliance CEO Frank Foti of Omnia Audio
calls this “the digital equivalent of the analog
BNC-to-BNC composite (MPX) connection,” and said it generated strong
interest at the recent NAB Show.
Foti said Omnia would
share technical details with any interested party, who should contact Cornelius Gould at email email@example.com.
Omnia, Nautel Collaborate on Composite