INSTRUCTIONAL TECHNOLOGY 3(2+1)

Lesson 19 : Classification Of Audio-Visual Aids

Audio-visual aids are classified into three categories

Audio aids	Visual aids	Audio- visual aids
Tape recorder Public address system Telephone Radio	Non-Projected Chalk board Bulletin board Picture board and photograph and Illustrations Flannel graph, flash card, flip chart Poster Diagram, map, chart and graph Specimen, model, diorama Translide Projected Slides Filmstrip Opaque projection Overhead projection	Non- Projected Drama, puppet show, talking doll Projected Motion picture(cinema) Video

Another way of classifying the audio-visual aids

Display type: Display Type visuals are those which are spread before the audience for viewing who get the message by looking at them.

Examples: Poster, bulletin board, models, exhibits etc.

Presentation Type: Presentation Type visuals are presented or projected before the audience for viewing, but at the same time one explains or presents the message of the visuals, so that the audience gets a meaningful understanding of them.

Classification of Audio-Visual Aids

1. Classification Number 1
2. Classification Number 2
3. Classification Number 3
4. Classification Number 4
5. Classification Number 5