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Broadcasting

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Broadcasting

  1. 1. Urangerel J.TV13D043 Shiirev J.TV13D286 Tsogtbuyn J.ES13D136 Dolgormaa J.RC11D015
  2. 2. • What is broadcasting ? *History of broadcasting • Methods of broadcasting • Economic models of broadcasting • Recorded broadcasts and live broadcasts
  3. 3. 1 . What is broadcasting ? • The distribution of audio and/or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to- many model.
  4. 4. •Radio and television, using wires and radio waves
  5. 5. *History • Audio broadcasting began experimentally in the first decade of the 20th century. By the early 1920s radio broadcasting became a household medium, at first on the AM band and later on FM . Television broadcasting started experimentally in the 1920s and became widespread after World War II, using VHF and UHF spectrum.
  6. 6. Satellite broadcasting was initiated in the 1960s and moved into general industry usage in the 1970s, with DBS (Direct Broadcast Satellites) emerging in the 1980s. •Analog audio vs. HD Radio •Analog television vs. Digital television •Wireless
  7. 7. • What is broadcasting ? *History of broadcasting • Methods of broadcasting • Economic models of broadcasting • Recorded broadcasts and live broadcasts
  8. 8. 2 . Methods of broadcasting several methods used for broadcasting electronic media audio and/or video to the general public: •Cable radio (also called "cable FM", from 1928) and cable television (from 1932) •Radio broadcasting (experimentally from 1906, commercially from 1920) •Telephone broadcasting (1881–1932) •Webcasting of video/television (1993) and audio/radio (1994) streams
  9. 9. • Television broadcasting (telecast), experimentally from 1925, commercially from the 1930s • Direct-broadcast satellite (1974) and satellite radio (1990)
  10. 10. • What is broadcasting ? *History of broadcasting • Methods of broadcasting • Economic models of broadcasting • Recorded broadcasts and live broadcasts
  11. 11. 3 . Economic models Several means of providing financial support for continuous broadcasting: 1.Commercial broadcasting 2.Public broadcasting 3. Community broadcasting
  12. 12. • What is broadcasting ? *History of broadcasting • Methods of broadcasting • Economic models of broadcasting • Recorded broadcasts and live broadcasts
  13. 13. 4 . Recorded broadcasts and broadcasts • Broadcast • If coming directly from the radio studio at a single station or television station, it is simply sent through the studio/transmitter link to the transmitter and hence from the television antenna located on the radio masts and towers out to the world.
  14. 14. • “Broadcast network" ; broadcast only via cable television (cablecast) or satellite television that uses a dish antenna. • The term "broadcast television" can refer to the television programs of such networks.
  15. 15. ConclusionConclusion • Public service broadcasting organizations can, where these ingredients are guaranteed, make a very significant contribution to the public’s right to know and diverse and pluralistic broadcasting to which citizens are entitled. • Public service broadcasting organizations play a unique and vital role is satisfying the public interest and ensuring a free flow of information and ideas, and governments and other public actors must be urged to make a solid commitment to funding this essential public resource.

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