Digital TV Satellite System This document discusses a digital TV satellite system. It includes: - Elements like channel studios, encryption/compression, geosynchronous satellites, and broadcast centers that process and transmit programming via satellite. - Satellites receive signals from broadcast centers, transmit to dishes using transponders operating in C and Ku bands. - Dishes receive signals and an LNB converts them to electrical signals for a TV receiver to display the programming.

1. Digital TV Satellite
System
PRESENTED BY
AKHIL
MADANKAR

2. • A satellite is any body that moves around another one in a
mathematically predictable path called orbit.
• Communications satellite : relays and amplifies radio telecommunication
signals via transponder.
• The first man made satellite with radio transmission was in 1957.
• Currently there are approximately 1071 artificial satellites orbiting the
earth.
Introduction

3. • State the desired goal.
• State the desired objective.
• Use multiple points if necessary.
Block Diagram

4. Elements in DTVSS

5. • Channel Studio
• Processing Subjects
• Encryption & compression
• Local Country GEOSAT
• GEOSAT Transponder
• DBS Broadcast Center
Programming Source

6. • Receiving Channel Data
• Validation
• Decoding original one
• Encoding and Compress by DBS Provider
• Compression –MPEG2 & MPEG4
• Send to Indian GEOSAT
DBS Provider Broadcast Center

7. • DBS Provider Satellite
• Role of Transponder
• Distribution of Transponder
• Adjust Frequency
• C (4-6GHz) and KU (12-18GHz) Band
• Send to Provider Dish
Geostationary Satellite

8. • Dish-shaped type of parabolic antenna.
• Receive electromagnetic signals from
satellites.
• LNB : electromagnetic or radio waves to
electrical signals.
Dish Antenna

9. • A box-shaped device that converts a
digital television signal to analog for
viewing on a conventional set, or that
enables cable or satellite television to be
viewed.
TV Receiver

10. TV Receiver

11. Features of Satellite TV
High Definition
Simple User Interface
Internal Drive
Remote Management and Playback
Digital Video Recorder
Detailed program information
Keyword search
Favorite lists

12. THANK YOU