Inplant training report doordarshan
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Doordarshan is India's largest public service broadcaster. It started television services in Delhi in 1959 and uses the PAL television standard with 625 horizontal lines and 50 vertical lines. A television studio contains areas for filming as well as production and control rooms for broadcasting programs. Key components include cameras, video tape recorders, character generators, and an earth station for transmitting signals to satellites. Signals are then broadcast from transmitters via antennas to satellites and received by viewers.
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Inplant training report doordarshan
- 1. INPLANT TRAINING REPORT DOORDARSHAN,PATNA ABHISHEK PRASAD (9910005003)
- 2. OVERVIEW TV STUDIO INTRODUCTION TRANSMISSION
- 3. INTRODUCTION LARGEST BOARDCASTING ORGANISATION 1ST SERVICE STARTED ON 15TH SEP,1959 Doordarshan = Distant + Show. Doordarshan is an Indian public service broadcaster. One of the largest broadcasting organizations in India in terms of the infrastructure of studios and transmitters.
- 4. Terrestrial television in India started in Delhi on 15 September 1959. The regular daily transmission started in 1965 as a part of All India Radio. Television services were separated from radio in 1976. In 1982 color TV was introduced in the Indian market.
- 5. TELEVISION STANDARDS • NTSC-National television standards committee(US) (525 Horizontal & 60 vertical lines) • SECAM-System electronics for colour avec memorie(FRANCE)(625 vertical & 50horizantal lines) • PAL- Phase Alternating lines(GERMANY)(625 horizontal & 50 vertical line) Television standards used in India is PAL
- 6. PAL ENCODER & DECODER • Input is the primary colour (i.e. red, green, blue) into matrix circuit as Y, R- Y, B-Y. • Y=0.30R+0.59G+.11B • U=0.477(R-Y) • V=0.895(B-Y) • Out of 625 horizontal line only 575 are active • 50 vertical lines
- 7. COLOUR COMPOSITE VIDEO SIGNAL
- 8. • Front portch is to crate horizontal blanking Also contain sync pulse • Back porch is the portion of each scan line between end of horizontal sync pulse and start of active video signal • Colour burst is absent in the black and white transmission of video signal
- 9. TELEVISION COMMUNICATION SYSTEM CRYSTAL POWER OSCILLATOR RF AMPLIFIER AMPLIFIER COMBINING SCANNING CIRCUIT NETWORK DEPLEXER CAME AM VIDEO RA MODULATION AMPLIFIER AMPLIFIER AUDIO FM SOUND MIC. FM MODULATOR AMPLIFIER TRANSMITTER
- 10. TELEVISION STUDIO A television studio is an installation in which television or video productions take place .
- 11. COMPONENTS OF TV STUDIO • ACTION AREA • PRODUCTION CONTROL ROOM • MASTER SWITCHING ROOM • CONTROL APPARATUS ROOM • CHARACTER GENERATOR • VIDEO TAPE RECORDING • EARTH STATION • TRANSMITTER
- 12. ACTION AREA TALK BACK MANA GEMEN T LIGHTN ING UNITS AUDIO CONNE CTER CAM ERA HEA D UNIT
- 13. PRODUCTION CONTROL ROOM • MONITOR PROGRAM AND GRAPHICS • VISION MIXER (to select video sources) • Audio console • Add video effect
- 14. MASTER CONTROL ROOM It connect the of following equipment • Camera control unit • VTRs • Patch panel • Vision mixer
- 15. • CHARCTER GENERATORS Names and graphics inserted into programs • CONTROL APPARATUS ROOM Includes the power supply unit UPS room Generator • VIDEO TAPE RECORDER Consists of recorded materials i.e. v.c.r
- 16. Component of earth EARTH STATION station Earth Station is a very important part of satellite • PDA (Parabolic communication system for Dish Antenna) broadcasting of signals. • FEED It is an uplink center from • Wave Guide / Low which the signals are fed to Satellite for distribution in a Loss Cable specified area covered by • HPA the Satellite. (TWTA, Klystrons) The signal is up-linked • Up converter from the Earth Station and received by many down • Modulator link centers in TV broad • Encoder casting via PDA(Personal • Multiplexer Digital Assistant). • IRD (Integrated Digital Earth Stations are widely used because of Receiver Decoder various advantages over analog.
- 17. EARTH STATION
- 18. TRANSMITTER Aid of antenna Produces radio wave Connect earth station to satellites Also connect television
- 19. ANTENNA & SATELLITE • An antenna (or aerial) is a transducer designed to transmit or receive electromagnetic waves. In other words, antennas convert electromagnetic waves into electrical currents and vice versa.
- 20. TYPES OF ANTENNA • Isotropic antenna (idealized) o Radiates power equally in all directions • Dipole antennas o Half-wave dipole antenna (or Hertz antenna) o Quarter-wave vertical antenna (or Marconi antenna) • Parabolic Dish / Reflective Antenna
- 21. RESOURCES • http://inventors.about.com/od/tstartinventions/ a/Television.htm • http://en.wikipedia.org/wiki/Broadcast_televisio n_systems • http://www.althos.com/tutorial/TV-advertising- tutorial-broadcast-television-system.html • http://www.scribd.com/doc/44694977/Modern- Communication-Systems-PART-1-TELEVISION • http://www.danalee.ca/ttt/transmission.htm
Editor's Notes
- This template can be used as a starter file for presenting training materials in a group setting.SectionsRight-click on a slide to add sections. Sections can help to organize your slides or facilitate collaboration between multiple authors.NotesUse the Notes section for delivery notes or to provide additional details for the audience. View these notes in Presentation View during your presentation. Keep in mind the font size (important for accessibility, visibility, videotaping, and online production)Coordinated colors Pay particular attention to the graphs, charts, and text boxes.Consider that attendees will print in black and white or grayscale. Run a test print to make sure your colors work when printed in pure black and white and grayscale.Graphics, tables, and graphsKeep it simple: If possible, use consistent, non-distracting styles and colors.Label all graphs and tables.
- Give a brief overview of the presentation. Describe the major focus of the presentation and why it is important.Introduce each of the major topics.To provide a road map for the audience, you can repeat this Overview slide throughout the presentation, highlighting the particular topic you will discuss next.
- This is another option for an Overview slides using transitions.
- What will the audience be able to do after this training is complete? Briefly describe each objective how the audiencewill benefit from this presentation.
- Use a section header for each of the topics, so there is a clear transition to the audience.
- Add slides to each topic section as necessary, including slides with tables, graphs, and images. See next section for sampletable, graph, image, and video layouts.
- Keep it brief. Make your text as brief as possible to maintain a larger font size.
- Add a case study or class simulation to encourage discussion and apply lessons.
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- Summarize presentation content by restating the important points from the lessons.What do you want the audience to remember when they leave your presentation?Save your presentation to a video for easy distribution (To create a video, click the File tab, and then click Share. Under File Types, click Create a Video.)