28-03-2011, 10:01 AM
Submitted by:
Kamlesh sumara
[attachment=11123]
COMPANY PROFILE
A BRIEF INTRODUCTION ON DDK – AHMEDABAD……
Radio transmission was started in 1923.
Radio transmission was named AIR in 1936 and renamed with akashvani in 1957.
In 15th September 1959 live broadcasting of Pandit Javaharlal Nehru’ s speech was telecasted from Newdelhi.
From 1st April 1976 doordarshan separate its works with radio.
From 15th august 1982 color transmission started.
In 1985 low power transmitters are build-up.
A studio hall contains many devices like …
Lights and Lightning winches .
Microphone & its Connections ports.
Cameras.
Cyclorama.
Sound absorbers.
STUDIO LIGHTING
“LIGHT is a set of electromagnetic waves which falls in visible range”
Camera is a device which captures the light rays which are reflected from source object and convert into electric signal.
Key light 1) Hard Source
Fill light 2) Soft Source
Back light
Background light
Selection criteria for MICS:
Sensitivity
Signal to noise ratio
Frequency response
Directivity pattern
1) Uni-directional
2) Bi-directional
3) Omni- directional
Basic Parts of Video Camera:
1) Electronic Shutter
2) Aperture
3) Lens
4) Trihroic Filter (prism)
5) CCD
6) Electronic circuitry
TELE-PROMPTER
Special arrangement of Video Camera & monitor for news reading is known as “teleprompter”
A small camera is hanged (as main camera can’t capture)over the news reader to capture the paper copy on newsreader’s hand.
The output of this camera is present at the same time in monitor connected at bottom of camera. By using mirror monitor screen is visible to news reader.
News reader has to read only this contents & newsreader don’t need to remember any information about news.
C.C.U.
Electronic processing center for all cameras of studio.
This unit help to control camera at remote distance.
Unique ccu panel for each camera .
C.C.U consist of sync pulse generator ,talk back module.
C.C.U. controls this parameters
1) Iris control
2) Dynamic contrast control
3) Shutter on off control
4)Gamma correction
5)Color bar pattern generator
Kamlesh sumara
[attachment=11123]
COMPANY PROFILE
A BRIEF INTRODUCTION ON DDK – AHMEDABAD……
Radio transmission was started in 1923.
Radio transmission was named AIR in 1936 and renamed with akashvani in 1957.
In 15th September 1959 live broadcasting of Pandit Javaharlal Nehru’ s speech was telecasted from Newdelhi.
From 1st April 1976 doordarshan separate its works with radio.
From 15th august 1982 color transmission started.
In 1985 low power transmitters are build-up.
A studio hall contains many devices like …
Lights and Lightning winches .
Microphone & its Connections ports.
Cameras.
Cyclorama.
Sound absorbers.
STUDIO LIGHTING
“LIGHT is a set of electromagnetic waves which falls in visible range”
Camera is a device which captures the light rays which are reflected from source object and convert into electric signal.
Key light 1) Hard Source
Fill light 2) Soft Source
Back light
Background light
Selection criteria for MICS:
Sensitivity
Signal to noise ratio
Frequency response
Directivity pattern
1) Uni-directional
2) Bi-directional
3) Omni- directional
Basic Parts of Video Camera:
1) Electronic Shutter
2) Aperture
3) Lens
4) Trihroic Filter (prism)
5) CCD
6) Electronic circuitry
TELE-PROMPTER
Special arrangement of Video Camera & monitor for news reading is known as “teleprompter”
A small camera is hanged (as main camera can’t capture)over the news reader to capture the paper copy on newsreader’s hand.
The output of this camera is present at the same time in monitor connected at bottom of camera. By using mirror monitor screen is visible to news reader.
News reader has to read only this contents & newsreader don’t need to remember any information about news.
C.C.U.
Electronic processing center for all cameras of studio.
This unit help to control camera at remote distance.
Unique ccu panel for each camera .
C.C.U consist of sync pulse generator ,talk back module.
C.C.U. controls this parameters
1) Iris control
2) Dynamic contrast control
3) Shutter on off control
4)Gamma correction
5)Color bar pattern generator