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Nucomm Receiver Strengthens DTV and IP Signals

Nucomm, part of the Vitec Group's RF Systems business unit and a provider of digital and analog microwave systems for the broadcast industry, common carrier, cable, government, military, and international marketplace, said its new ProQ DTV IFB receiver could strengthen DTV signals and increase IP capabilities.

Nucomm, part of the Vitec Group's RF Systems business unit and a provider of digital and analog microwave systems for the broadcast industry, common carrier, cable, government, military, and international marketplace, said its new ProQ DTV IFB receiver could strengthen DTV signals and increase IP capabilities.

According to the company, the ProQ DTV IFB receiver works well as an IFB solution for ENG users during DTV transmission, monitoring of DTV signals through a DVB-ASI output, and streaming video over an IP connection to a laptop or other IP-enabled device. At 5x1.75x8.5 inches, the receiver features dual UHF/VHF antennas, two advanced silicon tuners, and sixth-generation VSB demodulators.

"Through our new ProQ DTV IFB receiver, users in the field can monitor the quality of DTV transmission and receive cueing signals from the studio," said RF Systems president Stephen Shpock, in a statement. "It also affords broadcasters the benefits of streaming DTV video over IP, which is becoming a new standard within today's industry."

The ProQ includes an MPEG Layer 1/Layer 2 audio decoder that can decode two independent sound programs, providing up to four audio channels and using bit rates as low as 32 kbps for each. Paired with low-latency audio encoders and proper design of the DTV packet insertion, total audio latency can be less than 80 ms. The receiver's audio signal outputs are outfitted on a five-pin XLR connector.

Broadcasters can select the DTV channel and audio program PIDs using the menus on the front panel LCD display or the Web interface. It can also map the IFB audio channels to the XLR outputs, internal speaker, or headphones. Status information, such as RF signal level/quality, DTV signal lock, and audio levels, is also available through the receiver's Web interface and updated in real-time on the front-panel LCD display.

The ProQ DTV IFB receiver's firmware-based audio decoder is upgradeable, and designed for advancement through the built-in Ethernet interface using a laptop computer and a Web browser.



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