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India’s largest public broadcaster. Launched by Gov. of India on 15sept 1959. Channels-37+4 Allied channels.

Krati doordarshan ppt

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Page 1: Krati doordarshan ppt

India’s largest public broadcaster.

Launched by Gov. of India on 15sept 1959.

Channels-37+4 Allied channels.

Page 2: Krati doordarshan ppt

ASPECT RATIO

SCANNING

FLICKER.

INTERLACED SCANNING

RESOLUTION

Page 3: Krati doordarshan ppt
Page 4: Krati doordarshan ppt

ACTION AREA:-•STAGE LIGHTENING

•SEVERAL VIDEO MONITORS

•TV CREW

PRODUCTION CONTROL ROOM:-

•VISION MIXER

•DIGITAL VIDEO EFFECTS

•TECHNICAL DIRECTOR’S STATION

CONTROL APPARATUS ROOM:-

Page 5: Krati doordarshan ppt

OBJECTIVES:-

a) Reverberation time

b) Attenuation of noises

DESIGN CRITERIA

ACOUSTIC TREATMENTS:-

a) Flooring

b) False Ceiling

c) Wall Treatment

Page 6: Krati doordarshan ppt

GEOSTATIONARY SATELLITES:- Used in communication field.

ARCHITECTURE:- a) BUS b)COMMUNICATION PAYLOAD • Single beam

• Hemisphere beam

• Global beam

Page 7: Krati doordarshan ppt

RECEIVING SECTION

TRANSMITTING SECTION

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Page 9: Krati doordarshan ppt

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.)