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Doordarshan Training Overview

This document provides an overview of Doordarshan, India's public service broadcaster. It describes the key components of a television studio including cameras, lighting, and production control room. It also explains the process of transmission from the studio to satellites to earth stations and receivers. Mobile production facilities like OB vans and DSNG vans are also summarized. The presentation aims to provide training on the practical aspects of Doordarshan's operations.

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Sahil Matharu
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83 views12 pages

Doordarshan Training Overview

This document provides an overview of Doordarshan, India's public service broadcaster. It describes the key components of a television studio including cameras, lighting, and production control room. It also explains the process of transmission from the studio to satellites to earth stations and receivers. Mobile production facilities like OB vans and DSNG vans are also summarized. The presentation aims to provide training on the practical aspects of Doordarshan's operations.

Uploaded by

Sahil Matharu
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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INDUSTRIAL TRAINING PRESENTATION

ON
DOORDARSHAN

TRAINING FROM:
DOORDARSHAN KENDAR, PRESENTED BY :
NEW DELHI YASH VERMA
ECE 4TH YEAR
CONTENTS
 Introduction
 Studio
 Cameras
 Lighting
 PCR
 Earth Station
 Process of Transmission
 OB Van
 DSNG Van
 Conclusion
INTRODUCTION
 Doordarshan is a Public
Broadcast Terrestial
channel run by Prasar
Bharti.
 The head office is located
at Doordarshan Kendra,
Mandi House, New Delhi.
 Its past name was All India
Radio and it was separated
from All India Radio in
1976.
STUDIO
 A studio is an installation in
which television or video
production take place.
 The studio is fully digitalized
and it is mainly take place for
all major recording and live
interactive programs.
COMPONENTS OF STUDIO

 Cameras

 Lighting

 Microphones
CAMERAS
A Camera consist three sections :
i. A camera lens and optical
block :- To form image on the
face plate of a pick up device.
ii. A transducer or pick up
device :- To convert optical
image into a electrical signal.
iii. Electronics :- To process
output of a transducer to get
a CCVS(Colour Composite
Video Signal) signal
LIGHTING
Lighting is very exciting and needs
creative talent to achieve the
required effect.
Different types of light :-
 Key Light :- This is the principal
light source of illumination. It is
hard light which provides shining
on the front part of object.
 Fill Light :- It controls the lighting
contrast by filling in shadows.
 Back Light :- It separate the object
from the background.
 Background Light :- It unfold the
background interest and shapes.
PRODUCTION CONTROL ROOM (PCR)
In PCR post production
activities like minor editing
and management of feed
during a live program take
place.

COMPONENTS OF PCR
 Camera control unit (CCU) VISION MIXER
 Vision mixer
 Video tape recorder (VTR)
 Audio mixer

AUDIO MIXER
EARTH STATION
 Earth Station is an uplink centre from which the signals are fed
to satellite for distribution in a specified area covered by the
satellite.
 The signal is up-linked from the earth station and received by
many downlink centres in TV broad casting via PDA.
Block diagram of Earth Station

BASE BAND COMPRESSOR


MSR MODULATOR
SECTION RACK

OUTDOOR UNIT HIGH POWER UP


(PDA) AMPLIFIER CONVERTER
PROCESS OF TRANSMISSION
SATELLITE

UPLINKING DOWNLINKING
6 GHz 4 GHz

EARTH STATION

DTH
TRANSMITTER
RECEIVER TV
OUTSIDE BROADCASTING VAN

 OB Van is used for live broadcasting like any match or any


event.
 It is also known as mobile PCR.
 It consist all the equipment that is present in the studio for
telecasting.
DSNG VAN
 DSNG stand for Digital
Satellite News Gathering and
it operates along with OB
Van.
 It is used as a mobile earth
station.
 Components of DSNG Van.
i. PDA(Parabolic Dish
Antenna)
ii. HPA(High Power
Amplifier)
iii. Baseband Equipments
CONCLUSION
 Doordarshan, the national television service of India, is
devoted to public service broadcasting.
 It is one of the largest terrestrial network in the world. In
my industrial training at Doordarshan Kendra, New Delhi, I
have gained useful knowledge which will surely be of great
help in future.
 This training gave me an opportunity to learn the practical
aspects of the knowledge of my field of interest,
electronics and communication.

Thank you

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