Basic setup of all india radio
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Transcript of Basic setup of all india radio
ALL INDIA RADIO,RAIPUR
BASIC SETUP OF ALL INDIA RADIO,RAIPUR
INTRODUCTIONMinistry of Information & Broadcasting
PRASAR BHARTI
DOORDARSHAN (VISUAL BROADCASTING)
ALL INDIA RADIO (AUDIO BROADCASTING)
A.I.R., RAIPUR
STUDIO AT GASS MEMORIAL HALL
MW TRANSMITTER AT BHANPURI
FM TRANSMITTER AT GASS MEMORIAL
HALL
ALL INDIA RADIO, RAIPUR
Frequency of station◦ Medium Wave – 981 KHz◦ FM Station – 101.6 MHzTransmitter Power
10 KW for Medium Wave1 KW for FM
Coverage RangeMW – 100kmsFM – 60kms
Technical specification
STUDIO
RECEIVING CENTRE
EQUIPMENTS
ANNOUNCER CONSOLE
STAGES OF A RADIO STATION
Block Diagram of Radio Station
STUDIO CENTRE
The Studio Centre comprises of one or more studios, recording and dubbing room, a control room and other ancilliary rooms like battery room, a.c. rooms, switch gear room, DG room, R/C room, service room, waiting room, tape library.
The studio centres in AIR are categorised as Type I, II, & III.
Type I & II studio has a transmission studio, music studio with announcer booth, a talks studio with announcer booth, one recording/dubbing room and a Read Over Room.
Type III has one additional drama studio. The other types have more studios progressively.
STUDIO CENTRE
MICROPHONE
TURNTABLE & Magnetic Tape Readers
CD\DVD PLAYERS
PERSONAL COMPUTER
ANNOUNCER CONSOLE
EQUIPMENT IN STUDIO
EQUIPMENTS OF STUDIOSPC
Turntable
Microphone
Announcer Console
PROGRAM AMPLIFIER
TO CONTROL ROOM
CONTROL ROOM
Mixing and Switching
FROM AIR DELHI
RNT Receiving Centre
Studio
SWITCHER
ProgramAmplifier
MIXER
For two or more studios set up, there would be a provision for further mixing which is provided by a control console manned by engineers. Such control console is known as switching console. Broad functions of switching console in control room are as follows:
Switching of different sources for transmission like News, O.Bs. other satellite based relays, live broadcast from recording studio.
Level equalisation and level control. Quality monitoring. Signalling to the source location. Communication link between control room and different
studios.
FACILITIES IN CONTROL ROOM
TRANSMITTER
TRANSMITTER SECTION
AMPLIFIERS MODULATORS ANTENNA
TRANSMITTER
AUDIO AMPLIFIER
POWER AMPLIFIER
PEAK CLIPPER
AMPLIFIERS
VALVE TYPE
SOLID STATE TYPE
MODULATORS
ANTENNA
MW ANTENNA
PHYSICAL REQUIREMENTS OF STUDIOS
WALLS
The walls of any recording as well as the control room is covered with the sound absorbing material wich may be of cleotex or perforated absorber.
The echos are produced when the sound is reflected back from any surface,but in case of absorber the sound is not reflected and hence the echos are cancelled.
AIRCONDITIONING
OBSERVATION WINDOW
WARNING LAMP
AUTOCLOSING DOOR
Other requirements
THANK YOU & HAVE A GOOD DAY
Navneet Dewangan Revendra Dewangan Sanchit Sharma Ravindra Singh Yadav Sumit Pradhan Brijesh Singh Thakur
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