The document describes the functions of a camera including recording images, live streaming, zooming, focusing, panning, tilting, white balancing, and effects. It then discusses using a vision mixer to select between multiple video sources and potentially mix them. A projector is used to project light and make a picture on a screen, allowing for a larger image than a TV screen. Rear projection allows projecting from behind a screen to have a more professional setup without seeing the projector. The camera setup for a talent show includes a static camera on a tripod platform to get a better view.

1. Videochain input
output
the functionsof a camera
 Recordinganimage,we coulduse thisto recorda show and watchoverit and/orput iton
dvdand sell it
 Live stream/feed(thisiswhatwe are doingforRingwood’sgottalent),thiscouldbe usedto
enlarge the image andshowpeople atthe back of the room/stadiumwhatishappening.
 Zoom(analogue- physicallymovingthe lensestogetamore magnified picture
Digital- thisisdigitallyenlargingthe picture,howeverif youzoomintoomuch the
photowill be pixelatedandthe qualityof the image will godown)
 Focusing- movingthe secondarylenses togeta crisperimage
 Panning( movementof the camerafromleftto rightfollowingthe actsalongthe stage)
 Tilting( movementof the camerafromup to down to getdifferentheightsof shotsi.e.,low
angel shotsmake youlookpowerful,highangel shotsmake youlookweakandsmall.You
can alsopointthe camera at differentheightsof the stage tiltingthe cameraapand down) )
 White balance (correctingthe colourtoget the coloursof real life more accurate and a
betterqualitypicture,thisisuseful becauseintensityof the stage lightswill messupthe
white balance andoverall picture,sothiswillhelpyougetabetterandmore clearpicture)
 Effects(insome oden camerasyoucan get builtineffects,suchasslow mo,greyscale,tints
ect)
Camera
Computer
DVD player
Visionmixer
Projector
Monitor
Screen
Broadcast the
image
Wired( youcan go directfromthe
inputthe output,howeveryouwill
have lesscontrol overthe image)

2. A visionmixer(aka:videoswitcher,videomixeror
productionswitcher) isa desk usedtoselectbetween
multiple differentvideosources (multiple camerasect) and
insome cases mixingsome videosourcestogetherto
create special effects.Thisissimilartowhata mixing
console doesforaudio. Thiswayyoucan senditoff to an
output(ie:a projector,monitor,broadcastitect).
A projectorisa device thatisused to projectrays of lightto make a picture on a blankscreen.
We use projectorsbecause itseasier
and cheaperthe gettingalarge tv
screen.Onlydownfall isthe image
will be pixelatedandthe qualitywill
decrease.Forexample inRingwood
school,we have a 4 meterwide
screenandI have neverseena 4
meterwidertv.The lese canallow
us to focusand zoomin.a fixed
lensesprojectoronlyallowsfocus
and the onlywayto get a larger
image will be tomove itcloser.
Anotherfunctionistosetit upside
downand youwill needtogoon the
program ceilingprojectatoflipthe
picture to hangit fromthe roof
Thisis yourcomposite input.This
will help connectaDVDplayer
directlytothe projector.
Thisis a VGA inputthat youcan
connectyour computerinto and
playwhateverisonyour screen,it
will be projectedonthe screendue
to the projector

3. Rear projectors
The rear projection mode will mirrorthe image toallow youtosee if youwere projectingitfrom
behind.The advantage of thisisthatyou won’tsee the projectorsoit will save roomandit will look
more like a tv,so more professional.The disadvantage of thisisthatthe qualityof the overall picture
will godownbecause itwill have togo throughthe screen,therefore losingitssharpness
Thisis the power
supplyforany
standardDVD player
Thisis the HDMI input,this
couldbe a wayto connect
it straightfromthe
monitorscreenfromthe
player
Thisis yourcomposite input.This
will helpconnectaDVDplayer
directlytothe projector.

4. Thisis the powersupply
Thisis the HDMI input,this
couldbe a wayto connect
it straightfromthe DVD
playertothe monitor
Thisis a DVI-Dconnectorthat’s
sendsouta digital signal only, this
can connectto a visionmixerand
receive inputsfromittogeta
picture.

5. thisisthe setup forthe camerachain forthe Ringwood’sgottalent.He hada little platformfor
where the ‘comvid(RCA)’sowe couldstand onto get a betterview withthe staticcamera.For the
staticcamera we had a standard Nikoncompacttripodto helpholdupthe camera to have a steady
shot.