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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