Both formal as well as distance education have been utilizing the electronic media like radio, television, audio/video recorders. Radio or audio programme is an effective medium. It is also comparatively cheaper and easier for handling. Audio/radio programmes not only inform, but also inspire. They inculcate values, change attitudes and develop interests. There is already a very well-developed infrastructure for developing and broadcasting radio/audio programmes.
Educational broadcasting and audio tape/cassette programmes have, therefore, immense potentialities. Particularly, in developing countries like India, educational school broadcasts, adult education programmes, Farmers Literary Programmes are used for the profit of the target audience.
A series of programmes are broadcast for correspondence and training in service teachers. Hence, both for quality as well as expansion of education, radio/audio programmes are found useful.
Television/video programmes are the most powerful media of communication which have revolutionized the life style of many people in the world. The media have remarkable versatility in treatment of themes and providing learning experiences in an efficient and interesting manner.
Educational Television (ETV), and video programmes are utilized for imparting liberal and cultural education to various target audience. The programmes are now available for school and college education, non-formal education, distance education and correspondence: courses. In brief, video and television programmes are useful for students, teachers, parents, supervisors and educational planners.