Digital TV Satellite System

PRESENTED BYAKHIL MADANKAR

• 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

• State the desired goal.

• State the desired objective.

• Use multiple points if necessary.

Block Diagram

Elements in DTVSS

Programming Source

DBS Provider Broadcast Center

Geostationary Satellite

Dish Antenna

TV Receiver

• Channel Studio

• Processing Subjects

• Encryption & compression

• Local Country GEOSAT

• GEOSAT Transponder

• DBS Broadcast Center

Programming Source

& tv

• Receiving Channel Data

• Validation

• Decoding original one

• Encoding and Compress by DBS Provider

• Compression –MPEG2 & MPEG4

• Send to Indian GEOSAT

DBS Provider Broadcast Center

Tata Sky

• 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

• Dish-shaped type of parabolic antenna.

• Receive electromagnetic signals from satellites.

• LNB : electromagnetic or radio waves to electrical signals.

Dish Antenna

• 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

TV Receiver

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

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