Audio Visual Aids 6b405a

AUDIO VISUAL AIDS

DEFINITION

Audio visual aids are those sensory objects or images which initiate or stimulate and reinforce learning - Burton

Classification of Visual Aids 1. Projected aids 2. Non Projected aids

Projected aids

Film

Film strip

Graphic aids

Cartoon

Charts

Non Projected aids

Display boards Dimension aids

Audio aids

Black board

Diagrams

Radio

Bulletin board

Models

Recordings

Television Operative projector

Comics

Flannel board

Mockups

Diagrams Over head Projector

Slides

Flash Cards Magnetic board Graphs Maps Photographs Pictures PED board Posters

Objects

Puppets specimen

Activity aids

Computer assisted Instruction

Demonstra tions Dramatics

Video tapes Experiment ation Gramophone Field trip Programmed Sound Distribution Instruction system Teaching machines

PRINCIPLES • The instructional programme should be so organized and istered that AV materials function as an integral part of the educational program • An AV educational program should be organized and istered in such a way that the program is centralized and under specialized direction and leadership • An AV educational program should be flexible • An advisory committee should be appointed to assist in selection and coordination of AV materials

PRINCIPLES • AV materials should be available where they are needed • AV materials should be centrally located • Provision should be made for helping instructors to acquire skill in the use of AV materials • Budget appropriations should be made regularly for the AV educational program • Evaluation of the AV educational program should be made at regular intervals • Legal aspects should be considered in the production and the utilization of educational communication media

CARTOON It is a metaphorical presentation of reality, it makes learning interest and effective as it creates a story appeal to the motors.

CHARTS It is defined as illustrative visual media of depicting a logical relationship between main ideas and ing facts.

Types 1. Narrative Chart 2. Chain Chart 3. Strip Tease Chart 4. pull Chart 5. FlowChart 6. Tabulation Chart 7. Tree chart 8. Flip Chart

Tree Chart To show the development or growth or the types in the form of a tree

Flip Chart A set of chart related to a specific topic here been tagged and has is a ing stand.

Flow Chart Diagrams used to show organization or functional relationships

MAPS Graphical representation of earth’s surface or portions of it are turned as Maps

Graphs It depicts numerical or quantitative relationship or statistical data one presented in the form of visual symbols

Types 1. 2. 3. 4. 5. 6.

Pie Graph Bar Graph Line Graph Pictorial Graph Histogram Frequency Polygon

PIE GRAPH The data are presented through the sectors or portions of circle

BAR GRAPH A graphic presentation which extends the scale horizontally along the length of bars

TYPES • Vertical • Horizontal • Simple Bar • Compound Bar • histogram

LINE GRAPH The concepts are represented with the lines drawn either horizontally or vertically

HISTOGRAM It is the graphical presentation of the continuous frequency distribution

PHOTOGRAPHS Exact visual recording of things which will occur in real life situation.

POSTERS Posters are the graphic aids with short, quick and typical messages with attention capturing

DISPLAY BOARDS

CHALK BOARD A black board or chalkboard is a slightly abrasive wilting surface made of wood, ply, hard board, cement, ground, glass, asbestos slate, plastic etc. with black, green or bluish green paint on it

BULLTEIN BOARD It is a simple device either indoor or outdoor, kept in a suitable places it can provide a suitable place for the display of all kinds of creative works of the students

FLANNEL BOARD The rigid material plywood covered with the flannel cloth/felt sheet/wool/cotton/paper. The item to be displayed pictures or drawing should have flannel or sand paper pasted on reverse side.

Three Dimensional Aids/Materials • Models • Specimen • Mock up • Moulage • Objects • Diorama

MODEL Models are concrete objects to explain clearly the structure or junctions of real things

TYPES • Scale Model • Simplified Model • Working Model • Cross sectional Model

SPECIMEN Part of the real objects taken from the natural setting. It is a simple that shows quality or structure

Leaflet Single sheet of paper folded to make a full page of printed matter on single side

Pamphlets Paper can be folded into two or three or five, matter will be printed either single side or both sides

Hand Out / Hand Bill The briefing of a session in a single sheet

Flash cards Small compact cards, which flashed before the class to bring any idea

Newspaper Health messages can be published in local languages which can reach to the public easily

PUPPETS

Hand Puppets

String Puppets

AUDIO AIDS • Radio • Tape recorder • Television • C.D Player

ACTIVITY AIDS • Dramatization • Computers Computer is defined as an electronic equipment which can store information and data which can be retrieved from it as and when required –Desktop –Laptop

TELESCOPE

PROJECTED AV AIDS • Epidiascope • Slide projector • Over head projector • Film Strip Projector

TYPES OF PROJECTION

DIRECT PROJECTION

Condenser Lens Lamp Object

Objective Lens

Image

INDIRECT PROJECTION

Lens

Object

REFLECTED PROJECTION

EPIDIASCOPE Is a visual aid commonly used in the class room to project non transparent material as well as transparent slides on to a screen

SLIDE PROJECTOR A slide is a small piece of transparent material on which a single pictorial image or scene or graphic image has been photographed or reproduce otherwise Ex: Size

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2 X 2 Inch

OVERHEAD PROJECTOR It projects transparencies with brilliant screen images suitable for the use in a lighted room

Parts of OHP

MOVING PICTURES Communicating through sound and sight simultaneously, the moving picture blends picture, words, objects, motion and even colour to make impact on the children minds -K.P.Neeraja The viewer sees motion that can be recreated by the use of Straight photography and special effects: moving picture may transport the viewer in another world -B.T.Basavsanthappa