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Electronic news-gathering

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Title: Electronic news-gathering  
Author: World Heritage Encyclopedia
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Subject: Electronic field production, Programme making and special events, Television news, ENG, Hand-held camera
Collection: Broadcast Engineering, Television News, Television Terminology
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Electronic news-gathering

The TV4 and BBC HD satellite uplink DSNG at the IAAF World Athletics Championships in Helsinki, Finland.
Microwave trucks seen transmitting. Modern news employs these trucks extensively.
On location outside Baltimore, cameraman Jim Furrer, sound recordist Bill Porter, and director David Ryan interview participants in a public rowing clinic as part of an early electronic journalism shoot in the 1980s.

Electronic news-gathering (ENG) is a broadcast news industry description of television producers, reporters and editors making use of electronic video and audio technologies for gathering and presenting news. The term was commonly used in the television news industry in the 1980s and 1990s, but it has since been less frequently used as the technology has become ubiquitous.

Electronic news-gathering can involve anything from a lone reporter taking a single professional video camera out to shoot a story, to an entire television crew taking a production or satellite truck on-location to conduct a live news report for an outside newscast.

The vehicle on which the electronic equipment is fitted is called DSNG (Digital Satellite News Gathering).

Contents

  • Beginnings 1
    • Shortcomings of film 1.1
    • Transition to ENG 1.2
  • Technology developments 2
  • Outside broadcasts 3
  • Microwave spectrum channels 4

Beginnings

Shortcomings of film

The term ENG was created as television news departments moved from film-based news-gathering to electronic field production technology in the 1970s. Since film requires chemical processing before it can be viewed and edited, it generally took at least an hour from the time the film arrived back at the television station or network news department until it was ready to be broadcast. Editing was done by hand on what was known as "color reversal" film, usually Kodak Ektachrome, meaning there were no negatives. Color reversal film had replaced black-and-white film as television itself evolved from black-and-white to color broadcasting. Filmo cameras were most commonly used for silent filming, while Auricon cameras were used for filming with synchronized sound. Since editing required cutting the film into segments and then splicing them together, a common problem was film breaking during the newscast. News stories were often transferred to bulky 2-inch videotape for distribution and playback, which made the content cumbersome to access.

Film remained important in daily news operations until the late 1960s, when news outlets adopted portable professional video cameras, portable recorders, wireless microphones and joined those with various microwave- and satellite truck-linked delivery systems. By the mid-1980s, film had all but disappeared from use in television journalism.

Transition to ENG

Since ENG reduces the delay between the capturing of the footage and its subsequent broadcast, this allowed the news gathering and the reporting process to become one continuous cycle, with little pause between arriving at the site of a news story and putting the story in question on the air. Coupled with live microwave and/or satellite trucks, reporters were able to show live what was happening, bringing the audience into news events as they happened.

CNN launched in October 1980, as ENG technologies were emerging. The technology was still in its developmental stages, and had yet to be integrated with satellites and microwave relays, which caused some problems with the network's early transmissions. However, ENG proved to be a crucial development for all television news. News content recorded using videocassette recorders was easier to edit, duplicate and distribute. Over time, as editing technology has become simpler and more accessible, video production processes have largely passed from broadcast engineers to producers and writers, making the process quicker.

However, initially the ENG cameras and recorders were heavier and bulkier than their film equivalents. This restricted the ability of camera operators from escaping danger or hurrying toward a news event. Editing equipment was expensive and each scene had to be searched out on the master recording.

Technology developments

Using technology such as multicast or RTP over UDP, these systems achieve similar performance to high end-microwave. Since the video stream is already encoded for IP, the video can be used for traditional television broadcast or Internet distribution without modification (live to air).

As mobile broadband has developed, broadcast devices using this technology have appeared. These devices are often more compact than previous technology and can aggregate multiple mobile data lines to deliver a high definition-quality content live.

Outside broadcasts

Outside broadcasts (also known as "remote broadcasts" and "field operations") are when the editing and transmission of the news story are done outside of the station's headquarters. Use of ENG has made possible the greater use of outside broadcasts.

Microwave spectrum channels

In the United States, there are ten ENG video channels set aside in each area for terrestrial microwave communications. Use of these channels is restricted by federal regulations to those holding broadcast licenses in the given market. Channels 1 through 7 are in the 2 GHz band and channels 8, 9 and 10 are in the 2½ GHz band. In Atlanta for example, there are two channels each for the four news-producing television stations (WSB-TV, WAGA-TV, WXIA-TV, WGCL-TV), one for CNN, and another open for other users on request,

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