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Principles of broadcasting

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Principles of broadcasting

  1. 1. INTRODUCTION TO BROADCASTING
  2. 2. “Broadcast”
  3. 3. “Broadcast” Distribution of audio and/or video signals which transmit programs to an audience. To slide 14
  4. 4. “Broadcast” Originally used by farmers in the USA in referring to the sowing of seeds by scattering over a wide field.
  5. 5. Broadcasting Systems Institutional Public Address  Low-Powered (“Narrowcasting”)  National Radio & TV  Satellite Radio & TV  Internet Channels 
  6. 6. Broadcasting Systems Institutional Public Address  Low-Powered (“Narrowcasting”)  National Radio & TV  Satellite Radio & TV  Internet Channels  Transmits non-verbal messages and music within a school or a hospital.
  7. 7. Broadcasting Systems Low-Powered (“Narrowcasting”)  National Radio & TV  Satellite Radio & TV  Internet Channels  Transmits signal to a small area like community radio stations.
  8. 8. Broadcasting Systems National Radio & TV  Satellite Radio & TV  Internet Channels  Has nationwide coverage using transmitter towers, satellite systems, and cable distribution.
  9. 9. Broadcasting Systems Satellite Radio & TV  Internet Channels  Wider areas such as entire continents.
  10. 10. Broadcasting Systems  Internet Channels (Live Streaming) Distribute text or streamed music worldwide. Various audio-video streaming host sites: stickam.com, ustream.tv, justintv, etc.
  11. 11. Broadcasting Systems  Internet Channels (Podcasting) Programs on-demand. It is hosted by several podcasting sites such as podomatic.com, soundcloud.com, etc. Podcast players can be embedded in blogs and websites and can be linked in social networks.
  12. 12. Principles of Broadcasting
  13. 13. Principles of Broadcasting
  14. 14. Principles of Broadcasting To slide 3
  15. 15. Principles of Broadcasting
  16. 16. Principles of Broadcasting Full cycle
  17. 17. Principles of Broadcasting
  18. 18. Principles of Broadcasting (Methods of Modulation)
  19. 19. Principles of Broadcasting (Methods of Modulation)
  20. 20. Frequency Spectrum
  21. 21. Broadcast Frequencies UHF TV Channels (300Mhz-3,000Mhz) AM Broadcast (300khz3,000khz) FM Radio & TV (30Mhz-300Mhz)
  22. 22. Broadcast Frequencies FREQ. BAND FREQ. RANGE Long Wave AM 148.5khz-283.5khz (LF) International Service Medium Wave AM 530khz- 1710khz (MF) Commercial Service Short Wave Band 3Mhz – 30Mhz (HF) Commercial Service TV Band I (Ch.2 -6) 54Mhz – 88Mhz (VHF) FM Radio Band II APPLICATION Commercial Service 88Mhz – 108Mhz (VHF) Commercial Service TV Band III (Ch. 7 – 13) 174Mhz – 216Mhz (VHF) Commercial Service TV Bands IV & V (Ch. 14 – 69) Commercial Service 470Mhz – 806Mhz (UHF)
  23. 23. Strengths of Broadcast Media  Impact: sight, sound motion “Theater of the mind”
  24. 24. Strengths of Broadcast Media  Emotion Maintains loyal audiences
  25. 25. Strengths of Broadcast Media  Personal and Intimate presentation Communication is direct and personal
  26. 26. Strengths of Broadcast Media  Immediacy Immediate
  27. 27. Strengths of Broadcast Media  Good builder of Reach Frequency builder
  28. 28. Strengths of Broadcast Media  Local and national Portable
  29. 29. Weaknesses of Broadcast Media  Crosses over to entertainment Sound only
  30. 30. Weaknesses of Broadcast Media  Sensationalism Background (low attention)
  31. 31. Weaknesses of Broadcast Media  No time for accuracy Messages are short-lived
  32. 32. Weaknesses of Broadcast Media  Lacks of depth Low-reach
  33. 33. Requirements to Broadcast It’s an authority from the Phil. government issued to companies that use the airwaves.
  34. 34. Requirements to Broadcast Congressional Franchise It’s an authority from the Phil. government issued to companies that use the airwaves.
  35. 35. Requirements to Broadcast Certificate of Public Convenience It is issued by the NTC to show that a firm is capable to operate a broadcasting station or network.
  36. 36. Requirements to Broadcast Certificate of Public Convenience  Audited Financial Statements for the last 3 years  Economic Feasibility Study  Technical Feasibility Study  Permit to Purchase a Transmitter  Construction Permit

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