Production & Broadcasting of TV Programmes at Doordarshan

This is project report on "production & broadcasting of TV programmes" which was carried out at the Doordarshan Kendra Thiruvananthapuram. Doordarshan Kendra Thiruvananthapuram is subsidiary of the DD India, which is the largest television network in the world. Doordarshan with over 35 Terrestrial Transmitters and 3 production centers serve Kerala, Lakshadweep and Mahi regions. You can also Subscribe to FINAL YEAR PROJECT'S by Email for more such projects and seminar.

DDK Trivandrum has the following main departments which manage the production, storage transmission and maintenance of the two DD National channels and the DD Malayalam channel.


1. Studio
2. Production Control Room (PCR)
3. Video Storage And Transmission Room(VTR)
4. Main Switching Room(MSR)
5. Digital Earth Link Station
6. Transmitter



A television creates a regular series of moving footage on the TV screen. A camera works exactly on the same principle applied the opposite manner. A picture is "drawn" on a television or computer display screen by sweeping an electrical signal horizontally across the display one line at a time. The amplitude of this signal versus time represents the instantaneous brightness at that physical point on the scene.

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At the top of every line, there's a little of the wave shape (horizontal blanking interval) that tells the scanning circuit within the show to retrace to the left fringe of the show and so begin scanning subsequent line. beginning at the highest, all of the lines on the show square measure scanned during this manner. One complete set of lines makes an image. this can be referred to as a frame. Once the primary complete image is scanned, there's another portion of the wave shape (vertical blanking interval, not shown) that tells the scanning circuit to retrace to the highest of the show and begin scanning subsequent frame, or picture.


This sequence is perennial at a quick enough rate so the displayed pictures square measure seemed to have continuous motion. This can be an equivalent principle as that behind the "flip books" that you simply quickly flip through to envision a moving image or cartoons that square measure drawn and quickly displayed one picture at a time.


There are many different kinds of video signals, which can be divided into either television or computer types. The format of television signals varies from country to country.

This report includes detail discussion about each of the department of Doordarshan Kendra Thiruvananthapuram and other technical details to complete the project report. Use this report only for your reference and study work.

Author:- Abraham Renn S

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