The document provides an introduction to direct-to-home (DTH) television broadcasting. It discusses that DTH involves receiving satellite programs directly with a personal dish, bypassing local cable operators. The history of DTH is described, including its proposal and approval in India in 1996 and 2000. The main components of a DTH network and system are outlined, including broadcasting centers, satellites, encoders, multiplexers, and set top boxes. Major DTH providers in India are listed and subscriber growth between 2007-2015 is shown.

1. WELCOME
Presentation
On
DIRECT TO HOME

2. CONTENTS
 Introduction
 History of DTH
 Main Components
 Network
 Facility
 Different usage
 Scenario in India
 Conclusion
 References
2

3. What is DTH ?
DTH is defined as:
The reception of satellite programs with a
personal dish in an individual home.
DTH does away with the need for the local cable
operator and puts the broadcaster directly in touch
with consumer .
A wireless digital audio / video service is
delivered through satellite. 3

4. HISTORY
• The first person who invented the technology for DTH was
sir ARTHURE CLARLES CLARKE , a british inventor in
late 1946.
• The DTH service was first proposed in INDIA in 1996 , but
was not approved due to concern over national security.
• Finally , In 2000 DTH service was allowed and
DOORDARSHAN was first to provide the service to
the consumers from 1st of April ,2000.
• After this other DTH service provider like ZEE and STAR
started pushing hard for DTH service in INDIA and setup
earth station whose cost was 2.15 million and was valid
for 10 years in INDIA.
4

5. MAIN COMPONENTS OF DTH
 Broadcasting center
 Satellites Encoders
 Multiplexers
 Modulators
 DTH receivers.
5

6. 6

7. Real Time TV services
PROCESS
Enc1
Enc2 MUX
QPSK
Modulator
Content “on demand” servers Services uplinked
to Satellites
Services downlinked via
receive satellite dish
and fed in to STB

8. BLOCK DIAGRAM OF DTH SYSTEM
Low noise block
Amplifier
down converter
Low noise Down Down Filter
amplifier Converter Converter
Video
baseband
Tunable Demodu
Channel selector Local lator
Channel selector
Oscillator
TV SET

9. SET TOP BOX
A settop box can
demodulate the
received signal and
can convert these
signal into audio and
video signal.
9

10. DTH Receive Facility
Cable Head-end
Private Home
Private Home Private Home

11. PLAYER’S IN D.T.H
 DISH T.V • D.D. DIRECT
 TATA SKY
 BIG T.V
 SUN DIRECT
 VIDEOCON d2h
 AIRTEL DIGITAL TV
11

12. 83 INSAT 4A 91.5 MEASAT
74 INSAT 4CR
93.5 INSAT 4B
95 NSS
ST1
98.5
PROTOSTAR-1
INDIAN DTH
SUBSCRIBER DTH SATELLITE SCENARIO
YEAR 2009
12

13. GROWTH OF DTH USERS
2007 to 2015…Growth of 683 %
13

14. LATEST IN DTH IN INDIA
Recording of TV programs
remotely using mobile
device.
14

15. CONCLUSION
 DTH has made the hopes of the people of rural
areas to come true.
 DTH service in India is in initial stage delivering
only TV broadcasting
 In near future, launch of DTH internet service is
expected in our country.
 It provide the wide thinking of rural people
which helps to develop the culture of society.
15

16. REFERENCES
www.mindstein.com
www.airtel.in
www.tvasia.com
www.wikipedia.com
www.videocond2h.com
Newspapers
16

17. ?
17