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Posted 26 Mar 2001   For week ended March 23, 2001
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Sent on Mormon-News: 22Mar01

By Kent Larsen

LDS Conference Center Sound and Video System Featured in Broadcast Engineering

SALT LAKE CITY, UTAH -- Just in time for the Church of Jesus Christ of Latter-day Saints' annual General Conference, this month's Broadcast Engineering details the challenges and equipment used in the centers audio and video systems, giving a view of the capabilities of the system. The article, written in part by the project managers at AZCAR who furnished the system to the LDS Church, shows not only the effort that went into designing the large, complex system, but also how that system meets the Church's requirements -- principally the broadcast of General Conference in 60 languages to locations worldwide.

The requirements for the system were daunting. The Church sought to provide state-of-the-art audio and video both inside the building and in feeds available by satellite, the Internet and video tape to outside TV, Radio and other services and products. In addition to 60 different languages, the system needed to support everything from microphone jacks throughout both auditoriums in the building to integration with the existing audio and video systems on Temple Square and the Church Office Building, controlled from dual control rooms in the new Conference Center.

For the lay reader, the results are impressive, even if much of the article mentions unfamiliar equipment and uses technical jargon. The two production rooms in the Conference Center can both act as live control rooms and, after an event is finished, act as post production facilities in which as many as 60 languages can be added to the video feeds. Because of the large number of microphone jacks required, the audio system uses multiplexing, which greatly reduced the amount of cable required, while still providing the flexibility of hundreds of possible input locations. This is also true of the system's video, which can draw from 150 different locations in the Center, on Temple Square and in the Church Office Building. The audio system can also be upgraded to fully digital audio, all the way from the podium microphone to the satellite transmitter.

Even the resulting video and audio signals are complex and impressive. The system can provide video in both the NTSC standard used in North America, and in the PAL standard used elsewhere in the world. Typically, following General Conference, the system will send out a live feed in English, and later send out a feed with as many as 60 different languages on the accompanying audio channels. All so that LDS Church members can get the messages from the Church's General Conference.


System Design Showcase: LDS Conference Center
Broadcast Engineering Mar01 B1
By David George and Phil Livingston


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