Krati doordarshan ppt
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![Page 1: Krati doordarshan ppt](https://reader033.fdocuments.us/reader033/viewer/2022061120/546bab3daf79593a7f8b6d18/html5/thumbnails/1.jpg)
India’s largest public broadcaster.
Launched by Gov. of India on 15sept 1959.
Channels-37+4 Allied channels.
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ASPECT RATIO
SCANNING
FLICKER.
INTERLACED SCANNING
RESOLUTION
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ACTION AREA:-•STAGE LIGHTENING
•SEVERAL VIDEO MONITORS
•TV CREW
PRODUCTION CONTROL ROOM:-
•VISION MIXER
•DIGITAL VIDEO EFFECTS
•TECHNICAL DIRECTOR’S STATION
CONTROL APPARATUS ROOM:-
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OBJECTIVES:-
a) Reverberation time
b) Attenuation of noises
DESIGN CRITERIA
ACOUSTIC TREATMENTS:-
a) Flooring
b) False Ceiling
c) Wall Treatment
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GEOSTATIONARY SATELLITES:- Used in communication field.
ARCHITECTURE:- a) BUS b)COMMUNICATION PAYLOAD • Single beam
• Hemisphere beam
• Global beam
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RECEIVING SECTION
TRANSMITTING SECTION
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AUDIO-VIDEO SWITCHER:- Separates audio video signal
DRIVER UNIT:- Signal power is made compatible to power amplifier
POWER AMPLIFIER UNIT:- Amplifies the signal
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PRESENTED BY :- KRATI MITTAL E.C.E(4th YR.)