doordarshan ppt

APRACTICAL TRAINING REPORT

ON

Presented By:

Yogesh sharma

&Pavan mittal

www.powerpointpresentationon.blogspot.com

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• Doordarshan Kendra is a part of Department of Information and Broadcasting (Govt. of India)

• Doordarshan, one of the largest broadcasting organization in the world .

• The experimental telecast started in Delhi in September 1959 with a small transmitter .

• Doordarshan opened its windows to the world by launching its international channel on 14th March, 1995

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• Presently, Doordarshan operates 19 cahnnels-2 all India channel,11 regional satellite language channel, four state network (SN), an international and a sport channel.

• DD-NEWS channel launched in 3rd November,2003,replacing existing DD-METRO entertainment channel, provide 24 hours news to viewers in all variety.

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• To cater the aims of television - Education , Enrichment & Entertainment. • To make available the real live experience of various

events/games or sports events to the remote viewers.

• To create a sense of involvement in various events according to the individual’s aptitude.

• 4. To inspire and captivate right from younger kids to senile persons

• 5. To bring out the latent talents from prodigies and even from a consummate sports person also

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• CULTURAL PROGRAMS• CEREMONIAL FUNCTIONS• ORGANISED EVENTS• SPORTS EVENTS

Type of Coverages

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

Generally various coverages are covered by any one of the following methods

• Single camera recordings ( for T.V reports )

• Multi camera with additional video effects facility and back ground commentary for LIVE coverages.

Mode Of Coverage

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• To plan and install the hardware in an optimized way in case of a switcher OB.

• To make available to the producer various technical resources according to the rhythm of the event.

• To ensure that uniform broadcast quality is provided to the viewer.

• To manage hardware movements, lining up of system and handling of emergencies in the field due to rain, riots , heat etc, so as to meet the objectives of the coverage.

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

Actual Luminance Signal, Y = 0.30R+0.58G+0.11B

• To visualize the events/games as per the the common viewersperception. • To effectively and efficiently use the video stream from cameras

and the associated equipments to present the common viewer with each an every detail of the event/games.

• To select camera shots for display in such a way that theit is realistically followed by viewers.

• To facilitate the anchor/commentator in explaining the happenings of the event/game by providing the rightvisuals , graphics and database.

• To up-date the statistics of the game as it progresses.

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

The outside broadcast van,which itself is a self contained and fullcomplement studio setup,has the following Equipment with it

• Cameras

• Video switcher with DVE

• Video Tape Recorders

• Video server for slow & super slow motion

• Character generator with Text & Graphics system • Microphones

• Audio switcher

• Intercom system• DSNG

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• Zoom lenses normally used in the coverages are 55:1 , 70:1. • High signal to noise ratio (say 62 dB)• Highly sensitive • Wide variation in gain control• Facilities like continuously varied shutter speed function (1/50 t 1/2000)• Facility of utilizing full range of optical filters, also facilitate color• Temperature correction• High resolution view finders• Long range triax transmission.

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• 32 SDI inputs.• Mixing and wiping facilities.• Cutting and supering facilities.• Special effects facilities• Chroma/Luma keying facility.• Component keying facility.• Digital Video effects (DVE)• Clean feed & Auxiliary outputs

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• Superior picture quality with bandwidth 5.5 MHz & S/N > 65 dB.

• Normally Beta or DVCPRO 50 format VTRs with slow motionare used.

• Longer continues recording of unmanned camera (13 to 20)

• Multiple audio channels ( 4 Channels)• Pilot tone is recorded just before delivery of the

ball.• Provides pitch report, toss , city glimpses.

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

Material Used for recording• . FERRO MAGNETIC MATERIALS

(Fe2O3/Fe2O4) ARE USED• . THESE MATERIALS HAS SPECIAL

CHARACTERISTIC OF MAGNETIC RETAINTIVITY.

DIFFERENCE BETWEEN AUDIO/VIDEO RECORDERS

Characteristic Audio Rec. Video Rec.

Frequencies 20 Hz to 20 KHz 20Hz to 5 MHz

No. of octaves 10 18

Timing Accuracy Not so important Very Important

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• A hard disk based recording system having large storage of 360GB.

• Provides three slow motions from each server.

• Separate servers for super slow motion .

• Provides highlights of the games proceeding through play list.

• Provides animated graphics on occasion of four, six, catch, half-century Century and duck-outs etc.

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• Continuous Graphics / text display like scoreboard , corner score different statistics.

• Supports enormous database concerning with the players record, game history etc..

• Scrolling caption for additional information like match delay due to rain.

• Supering of commentator names etc

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• The word DSNG means DIGITAL SATELLITE NEWS GATHERING. it is just like a Digital Earth Station. Programme may be up-linked through DSNG from any place. Its up-linking chain have a MPEG-2 Encoder, Modulator, Up-converter, HPA, wave guide mechanism and PDA. HPA consists of traveling wave tube Amplifier

• Satellite offers the unique possibility to transmit images and sound from almost anywhere on the planet. From a fully equipped uplink truck or from a light flyaway travel case, DSNG makes it possible to bring live news and sport to millions of viewers.

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

• Up-link frequency : 14190 MHz• Down-link frequency : 11140 MHz• Polarization : Vertical• Symbol rate : 4 MSPS• Band width : 6 MHz• Video Bit rate : 2.8 Mbps• Audio Bit rate : 192 Kbps• Current O/P Rate : 3.455882 Mbps• Modulation : QPSK

9,10,11,12 Ground cameras

9

10

11

12

3,4 Wkt to Wkt (rear)5,6 Spin vision (Super slow motion)

5

3 46

1 2

1,2 Wkt to Wkt (pavilion)

7

7,8 Mid wicket cameras

8

14

15

16

13,14,15,16Crease cameras(Un-manned)

13

17

18

17,18Stump cameras (Un-manned)19,20 Red Zone cameras (LBW+Un-maned)

19

20

Top angle

MIKESComm - 3Aud / Court - 4

Top Camera directlyabove the board

MIKES

Referee - 1 + 1Comm - 3Aud / T - 4

Sunday, July, 18, 2010GLOBAL INSTITUTE OF TECHNOLOGY

THANK YOU