MINIPRODUCTIONS: TV Production

Showing posts with label TV Production. Show all posts

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Directed By:Sarwar A.D
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Guest:Zulqarnain Haider
Cameraman:Muneer Ahmed
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Television Productions

There are basically two ways of doing television productions. 1. Studio Productions
2. Electronic Field Productions
Studio productions usually involve a studio using several cameras, which are fed, into a control room and all the movements and activities of the artists are directly indirectly controlled or regulated from the control room of the studio. Here producer is to play a nice duty. Working in a studio production caste a lot of challenges for the artists and all the other involved talent there.

When You Say About other type of Productions i.e. Electronic Field Productions, they are shot using a
single camera on location and assembled later in an editing room on a
Computer. Almost all non-professional video is shot using a single
camera. Many of the Shoot in Pakistan Media and Plays are shoot by using single camera Productions, Hence called Electronic Field Production.
Here Director is performing a major role. He is like a composer of music, creating and assembling video, fitting them together carefully, examining the quality of the entire Productions. He takes shoot again and again about a specific scene or sequence carefully. Here is a option of getting a real chance of getting real shoots on a real location that may be designed to some extant artificially.
This type of production allows for a richness of scene and artistic creativity born sometimes out of necessity and sometimes out of opportunities suggested by the location itself. So in my opinion I would always prefer to say some one to do this type of production. Because it has a lot of advantage over the studio production.
Each type of productions work goes through several important stages like:
1. Development of concept
2. Planning and scripting
3. Set design or location
4. Getting performers and rehearsal
5. Scheduling equipment
6. Finding competent crew
7. Bringing all necessary elements together

Basically all above mentions stages can be discussed broadly in following main categories:
   1.Pre-productions
   2.Productions
   3.Post-Productions
All types of productions often depend on the skill and cooperation of many people, as well as the ability of the producer and director to bring these people together in a cooperative effort. All the people should work for the productions in a team like compositions otherwise to get a nice and best package is very tough.

Television Production And Camera-I

Camera is the most important thing that is used during production phase of television productions. Smart cameras are great most of the time and they
Certainly cut down on the common mistakes most people make
From time to time.
If you are really interested in the television productions you must be aware of the basic working of the camera and it related things. Now it is up to you how much you want to know about a camera or it working. The television camera changes light into an electronic signal that can be
Stored (using video tape (DVC), optical disks, or computer memory), and all the happenings in front of the camera along with the storing on the media above mentions are also displayed on a television receiver or monitor. Which tell you more in detail, what is happening there and what you need more. So that you can easily modify the things according your needs.

Television cameras are probably easier to operate well than film or still cameras because you can watch and control the camera output as you record. There are few electronic controls, and the manual controls on the lens will be familiar to anyone who has used a good still or motion picture camera. Video cameras can produce a sharper, clearer pictures than the recording other media.

Understanding how to use the camera correctly will help you avoid poor results. So for doing this you should be aware of some common terms and techniques of the camera and it workings.
These may be:
1. Lens control
i. Iris
ii. Focus
iii. Zoom
2. Electronic Controls
i. White Balance
ii. Gaining
iii. View finding
iv. Pedestal

Television Production And Camera-II

Let us discuss each slightly just to the extant of awareness:        1.Lens Controls
                    Television lens has three controls: iris, focus, and zoom.in a fully automatic camera it is not required to adjust the focus or iris of the camera, they are automatically adjusted accordingly.sometimes they are also required to be adjusted by you.
i. Iris
           The ring closest to the camera body controls the amount of light passing through the lens to the light- sensitive surface of the pickup tube or chip. It is called the iris, aperture, or f-stop control and is marked off in f-numbers. The lowest f-stop lets in the most light, and the highest f-stop lets in the least. Some lenses even have a "C" setting after the highest f-stop which means the lens is completely closed, letting no light through at all.
       More light------------- Less light
           1 1.4 2 2.8 4 5.6 8 11 16 22 32

            ii.     Zoom
                         The center ring on most lenses is the zoom control. Most cameras use a rocker switch beside the lens. This allows you to change the focal length of the lens through a range from wide angle (short focal length) to telephoto (long focal length). It's common for inexpensive zoom lenses to have a range of about six to one. That is, the longest focal length of the camera.

           iii. Focus
                         The focus control is the ring farthest from the camera body, on the front of the lens. Distance settings are marked in meters and in feet. While a non-zoom (fixed focal length), lens is focused simply by turning the ring until the image is sharp, the zoom lens must be zoomed in to the smallest angle of view and the largest image size to adjust focus.
The lens should then be zoomed out to the widest angle of view and the smallest image size to make sure the image stays in focus through the entire zoom range. If the image stays sharp, the lens will remain focused at any focal length as long as the distance from the subject does not change.

Television Production And Camera-III

2.Electronic Control:
Some or all of the following controls may be automatic or preset and thus not adjustable by the user.
i. White Balance of the Camera
     If you use outdoor film with normal indoor lighting (no flash) everything
comes out orange. The color temperature of sunlight is very different from an incandescent light bulb. Most consumer cameras now sense the overall color temperature and adjust color electronically. In older or professional cameras it may be necessary with each change in location or lighting to "tell" the camera how to interpret color. Showing the camera a white card, which represents the total absence of color, does this. Controls on the camera are then used to minimize the color output of the camera.

      ii. Gain of the Camera:
Also called "level," this control sets the level of the brightest parts of the picture. It can be used to reduce the level when too much light is striking the pickup tube, but it will not make the picture brighter without making it grainy or snowy if the pickup tube or chip isn't getting enough light.
Automatic gain controls can be extremely sensitive to even small bright parts of the picture, driving medium and darker parts into black. They may
also bring dark parts up into the medium range if there's not enough light for a good picture.
    iii. View finder of Camera:
There are often controls to adjust a camera viewfinder. To state the obvious,
these controls have absolutely nothing to do with the actual output of the
camera. It's helpful to adjust the viewfinder under controlled conditions so it
shows a faithful representation of actual camera output. Otherwise, if you
want viewfinders to tell you the truth, they should never be adjusted just to
make a "pretty" picture.
    iv. Pedestal:
Also called the "set-up" control, sets the level of the darkest parts of the picture. On portable cameras it's generally automatic or totally absent.

Television Production and Lighting

Television is a means of changing patterns of light into electrical signals for
storage or transmission and then recreating those patterns on a screen. In
order to do this well, the television camera must be presented with properly
lighten scenes. There are three important things in reference to lighten the best.
i. Level
ii. Contrast range
iii. Color temperature.

i. Level
Lighting levels can be adjusted by the adjustment of the incidental light that is entering the scene, that light is touching the subjects in the scenes.
The incidental light is measured in foot-candle, that is the amount of light produced by a candle at a distance of one foot.
For high-quality pictures you need something between fifty and two hundred-foot candles. Most cameras can be operated in light ranging from the minimum up to 10,00 foot-candles. The lighting range of the cameras is almost written on the shell of the camera, e.g .19 candles or .39 candles etc. When you see that lighting range in the scene is out of the ranges of the camera you should try to adjust it. Basically this all is because of the incidental lights, so adjust it. If there is too little light, you should add additional lightings. And if there is too much incidental light coming in the scene, then you are to use special neutral density filters on the camera.

ii. Contrast
Contrast refers to the difference in brightness from the darkest parts of a
Scene to the brightest. The amplitude of the video signal determines useful contrast for television.
Common digital video signals are 24-bit color, with eight bits each for red,
green, and blue. This allows for 256 individual shades from dark to
light for each color. So 24-bit color allows all colors to be shown.
If contrast is low many receivers will produce a flat picture which do not clear the scene’s details. If contrast is much high details in the brightest and darkest parts of the picture will be lost. then Picture will look too heavy and colory that we be not ready to watch the detail of the scenes.So contrast is actually light reflected from the subject.

iii. Color Temperature
The third thing is color temperature. Every source of light has a
Characteristic color. This color is related to its "temperature." Lower color
Temperatures tend to be red or orange while higher temperatures tend to be
green or blue. Color temperatures are measured in degrees Kelvin
Temperature Source Color
1950 Candlelight Orange
2870 Normal Incandescent Orange
3200 Most Photo or TV Lights Orange
3400 Some Photo Lamps Orange
3500-4000 Fluorescent Lamps Green
5500 Midday Sunlight Blue
(R.Inman And G.Smith, 1996)
The eye "remembers" how things are supposed to look and interprets color
accordingly, regardless of the color temperature of lighting sources. A white
sheet of paper seems white whether viewed under an incandescent lamp or
Sunlight. The eye can even adjust for "correct color" when two light sources of different colors are present in the same scene. Sunlight streaming into a
room which is also lit by incandescent lamps doesn't make objects it strikes
appear bluish.

Television Production And Lighting Instruments:

There are four basic kinds of lights used in television.
These May be
i. spot lights(with narrow beam it casts well-defined shadow)
ii. broad lights( wider beam and casts a softer shadow)
iii. flood lights (broad illuminated circular pattern with a diffuse shadow)
iv. soft lights (almost it doesn’t cast shadow)

The intensity and beam spread of spots and some other lights may be adjusted by moving the lamp forward or back in the lamp housing. When the beam is narrow and intense the lamp is "spotted down." When the beam is wide and more diffuse the lamp is "flooded out.” All lamps have not this adjustment.
Barn Doors:
Most lamps are fitted in a globe having "barn doors," which are black metal flaps fastened. These flaps are used to keep light from falling where it's not wanted. Mostly these are used on backlights, which can cause objectionable lens flare if their light falls the camera lens directly.
Scrims Disks:
Scrims are special disks of screen wire that are used to soften lights and it reduce light intensity slightly too. Different full or half scrims can be used to produce variables soften effects in the scene easily. Scrims can also be used in lamps as a protective grid against bulb explodes.
Bulbs:
Tungsten-Halogen bulbs are used for television lamps commonly. These bulbs don’t lose their brightness and correct color temperature throughout their lives.
Fitting Stands:
These are used to fastened fitting of the lighting used in the production.Barn doors are most of time are the parts attach on these stands.

Power Consumption
Television lights use much power during their usage. They range from 25 watts for DC camera lights up to as high as 5000 watts. Lights used for electronic news gathering (ENG) or electronic field production (EFP) normally ranges from 500 to 1000 watts each.

Television Productions And Lighting Techniques:

In lighting there are two goals:
i. Get enough light
ii. Use the light you have to shape and define objects in the scene. Lighting is often tried out "on paper" by using a lighting diagram before it's actually set. Many potential problems can be spotted in the process of constructing a lighting diagram. The lighting diagram will make it easier to see where those shadows might fall. One man, One camera The simplest type of lighting involves one camera shooting one subject. The subject is placed in the setting far enough away from any walls or backdrops to avoid casting shadows on the background near the subject. The camera is set up placing the subject in front of the backdrop.
1. Key Light:
It is first light to set up. It's positioned thirty to forty-five degrees to the side of the camera and should strike the subject at an angle of about forty-five degrees from vertical. This lighting angle is best for people with normal features. People with short noses or weak chins should be lit from a steeper angle to increase the length of the shadows cast under the nose or chin. Those with long noses should be lit with fewer angles to produce shorter shadows. Moving the light closer to the camera will reduce the amount of modeling in the face and make the subject appear heavier than he is. Conversely, moving the light farther from the camera will throw more of the face in shadow, making it appear narrower. The key light is focused
On the subject by putting the bulb in the "full spot" position and centering the beam on the subject. The light is then flooded out until a reasonable overall level is reached. "Reasonable" means you can generate sixty to seventy IRE units of video on faces with minimal video noise in the picture and enough depth of field for your purposes.

Back Light:
The back light is placed directly behind the subject, in line with the camera.
It, too, is set at a forty-five degree angle from vertical. The backlight is spotted down and aimed at the subject's neck. It is then flooded until it has about the same intensity as the key light. The back light should be adjusted to produce a crisp but subtle border around the subject. People with blonde (or missing) hair require less intensity. People with very dark hair require more. When the back light is still too bright in the full flood position, a scrim can be fitted in front of the housing to soften and reduce the light.

Fill Light:
Fill light is added on the side of the camera opposite the key light. Fill light should be about half the intensity of the key and back lights. It should also be softer, producing no harsh shadows. Often a broad, scoop, or soft light is used instead of a spotlight to provide fill. Fill lights are also frequently scrimmed to soften them and reduce their intensity.
Background:
Finally, background light is added to bring the background up to a level in the middle of the overall gray scale of the subject. Background lighting should be even and unobtrusive. The background shouldn't be made the center of attention with harsh or uneven lighting.

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