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News broadcastingis thebroadcastingof variousnewsevents and otherinformationviatelevision,radioorinternetin the field ofbroadcast journalism. The content is usually eitherproducedlocallyin aradio studioortelevision studionewsroom, or by abroadcast network. It may also include additional material such assportscoverage,weather forecasts,traffic reports,commentaryand other material that thebroadcasterfeels is relevant to theiraudience.

• Contents

• 1 Television news

• 2 Radio news

• 3 Structure, content and style

  • 3.1 Television

  • 3.2 Radio

• 4 News broadcasting by country

  • 4.1 Canada

    • 4.1.1 Terrestrial television

    • 4.1.2 Cable television

  • 4.2 United States

    • 4.2.1 Broadcast television

      • 4.2.1.1 Local newscasts

      • 4.2.1.2 Network news programming

    • 4.2.2 Cable television

    • 4.2.3 Radio

• 5 See also

• 6 References

• 7 External links

• Television news

Main article: News program

Television newsrefers to disseminatingcurrent eventsvia the medium of television. A "news bulletin" or a "newscast" aretelevision programslasting from seconds to hours that provide updates on world, national, regional orlocal newsevents. Television news is very image-based, showing video of many of the events that are reported. Television channels may provide news bulletins as part of a regularly scheduled news program. Less often, television shows may be interrupted or replaced bybreaking news("news flashes") to provide news updates on events of great importance.

• Radio news

Radio newsis the same as television news but is transmitted through the medium of theradio. It is more based on the audio aspect rather than the visual aspect. Sound bites are captured through various reporters and played back through the radio. News updates occur more often on the radio than on the television - usually about once or twice an hour.

• Structure, content and style

  • Television

Newscasts, also known as bulletins or news programs, differ in content, tone and presentation style depending on the format of the channel on which they appear, and their timeslot. In most parts of the world, national television networks will have network bulletins featuring national and international news. The top rating shows will often be in the evening at 'prime time', but there are also often breakfast timenewscasts of two to three hours in length. Rolling news channels broadcast news 24 hours a day. Many video and audio news reports presented on theInternetare updated 24 hours a day. Local news may be presented by stand-alone local TV stations, local stations affiliated to national networks or by local studios which 'opt-out' of national network programming at specified points. Different news programming may be aimed at different audiences, depending on age, socio-economic group or those from particular sections of society. 'Magazine-style' television shows may mix news coverage with topical lifestyle issues, debates or entertainment content.

Newscasts consist of several a reporterbeing interviewed by an anchor, known as a 'two-way', or by a guest involved in or offering analysis on the story being interviewed by a reporter or anchor. There may also be breaking news stories which will present live rolling coverage.

Packages will usually be filmed at a relevant location and edited in an editing suite in a newsroom or a remote contribution edit suite in a location some distance from the newsroom. They may also be edited in mobile editing trucks, or satellite trucks, and transmitted back to the newsroom. Live coverage will be broadcast from a relevant location and sent back to the newsroom via fixed cable links, microwaveradio,production truck,satellite truckor via online streaming. Roles associated with television news include atechnical director,floor directoraudio technicianand atelevision crewofoperatorsrunningcharacter graphics(CG),telepromptersandprofessional video cameras. Most news shows are broadcast live.

• Radio

Radio station newscasts can range from as little as a minute to as much as the station's entire schedule, such as the case of all-news radio, ortalk radio. Stations dedicated to news or talk will often feature newscasts, or bulletins, usually at the top of the hour, usually between 3 and 8 minutes in length. They can be a mix of local, national and international news, as well as sport, entertainment, weather and traffic, or they may be incorporated into separate bulletins. There may also be shorter bulletins at the bottom of the hour, or three at fifteen minute intervals, or two at twenty minute intervals. All-news radio stations exist in some countries, primarily located in major metropolitan areas such asNew York City,TorontoandChicago, which often broadcast local, national and international news and feature stories on a set time schedule.