A V aids

AUDIO- VISUAL AIDS

Projected & Audio AidsFilm Projector

Video tape Recorder

Multimedia Projector

Presented By :

Ms. Gurkirat Kaur

Assistant Professor

CCEW, Chitkara University

Film Projector

A movie projector is an opto- mechanical device for displaying moving pictures by projecting

them on a projection screen

Film Projector

16 mm projector was a popular format for audio-visual used in schools for educational films and as a high-end home

entertainment system before the advent of broadcast television i.e. from 1940s to 1980s .

Film Projector

The film projectors are replaced after 1980s by

multimedia projectors or LCD projectors

Films can be used as a teaching aid in almost any discipline, especially the languages.

And it can be particularly effective in teaching different kinds of learners.

Video tape Recorder

A video tape recorder (VTR) is a tape recorder designed to record video material, usually on a magnetic tape.

Its one form included the tape within a videocassette, which was used with video cassette recorders (VCR).

The VCR is simple to operate, portable, and less expensive

Video tape Recorder

After 2002 magnetic tapes were largely replaced by digital video tape formats and videocassettes and VCRs popular at

the consumer level, were also replaced by digital media, such as DVD and later Optical discs.

VCRs became popular in education as it teachers to allow to pause, rewind, and fast-forward of any recorded shows.


An LCD projector or multimedia projector is a type of video projector for displaying video,

images or computer data on a screen or other flat surface.


USE IN EDUCATION

TO VIEW EDUCATIONAL FILMS

LCD projectors allow teachers to easily show educational films.

They can show clips of video they have found online or play a DVD.


USE IN EDUCATION

TO SHOW LESSON PRESENTATIONS

Teachers can prepare presentations on a computer and display them on an LCD projector.

This can be very useful for creating lesson plans that can be used year after year.

It provides a large, clear image that students can see from anywhere in the room.


USE IN EDUCATION

TO GET STUDENTS INVOLVED WITH INTERACTIVE SLIDES

When an LCD projector is used to display an image on a whiteboard:

Teacher has the option to use dry erase markers to draw on the image e.g. demonstrating a chemical reaction or labeling muscle

groups in anatomy class

Students can use markers in different colors to participate as well e.g. a teacher may display a paragraph on the screen and ask

students to mark errors on the whiteboard

A V aids

Education

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