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Digital Master Control and Core Electronics
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Broadcast Engineering magazine spotlights TWG's WVPT-TV project! Read all about it!
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WVPT-TV is the official Public Television station for the Shenandoah Valley and Charlottesville, VA. The station enjoys a weekly viewership of over 70,000 households (or total population of just about a half-million) in major Virginian cities and counties. As such, the station is a known leader as the major educational and cultural force for the cities and 25 counties it serves.
While recognized for many years as a local leader, WVPT-TV has very quickly gained statewide and even national exposure for its aggressive campaign to begin the transition to standard definition and HDTV formats. This PBS station is among the first trailblazers to enter the digital realm in the state of Virginia.
The Whitlock Group's involvement in the project included the system design, engineering and integration of a ITU-BT R.601 digital broadcast routing and master control infrastructure. One of the most critical aspects of the project was to seamlessly integrate the new system into the station's existing analog plant. Therefore, The Whitlock Group took advantage of the new Leitch digital synchronizers. The synchronizers were used as bi-directional tie lines between the analog routing switcher and the new Pro-Bel 128X128 SDI router and master control switcher. The process includes embedding and de-embedding audio as well as audio/video A/D and D/A conversion. The project was built and tested prior to shipping to WVPT to ensure a quick integration and minimum interference with existing operations. In order to provide staff training, the system was initially installed and commissioned without removing any existing equipment. Once training was completed, the master control console was moved to its final location, which thereby allowed for a seamless transition to the new system.
"The Whitlock Group enabled WVPT to design, install, and migrate to an entirely digital technical core while still maintaining its current on-air program services. This was all done with absolutely no downtime. The facility has performed exactly as specified and we're looking forward to the next phase of our conversion to digital," according to Tony Mancari, VP of Engineering for SVETC.
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