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Based on the OptiMod 5950 processor, the 5950 HD provides FM/HD1 processing and includes a second independent processing chain called HD2.
The OptiMod 5950 HD is equipped with analog, AES3, composite and digital MPX, as well as AES67/SMPTE-ST2110 inputs and outputs, and includes advanced audio routing and Diversity Delay, and can be integrated into any studio and transmitter environment. An optional μMPX allows a cost-effective transmission of digital MPX signals over IP.
The FM section offers four processing structures that can be selected depending on the user’s application and requirements. It also features the Orban MX limiter, which provides increased apparent loudness at significantly lower distortion.
Orban says an intelligent two-band window-gated AGC, using its proprietary “master/bass” band coupling, subtly and unobtrusively controls levels. The “True Peak” limiter in the two HD processing chains anticipates and controls peak levels following D/A conversion, a feature now required by many broadcasters.
The OptiMod 5950 HD provides ITU-R BS.1770-4 Loudness Control, which facilitates compliance with modern target loudness recommendations, such as EBU R128, for each processed FM and HD output source, if needed.
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