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Dinesh Kumar, Lovely Professional University Unit–22: Radio, Television and CCTV in Learning

Notes
Unit–22: Radio, Television and CCTV in Learning

CONTENTS
Objectives

Introduction
22.1 Audio-Visual Recording Instruments

22.2 Educational Television
22.3 Closed Circuit Television–C.C.T.V.

22.4 Summary

22.5 Keywords
22.6 Review Questions

22.7 Further Readings

Objectives

After studying this unit, students will be able to:
• Have the knowledge about the audio-visual recording instruments.
• Know facts about educational television.
• Have the knowledge of Closed Circuit Television – C.C.T.V.

Introduction

Radio, television and other audio-visual instruments have a great contribution in learning. Radio has
become so closely linked to the indivual’s life that radio and man can’t be separated.

Television’s name is taken prominently in the scientific achievements of the twentieth century. It has
revolutionized the world of education.
Normally, in television broadcasts, academic programmes are fi rst recorded in the studio and then
is relayed by transmitor. Programmes broadcasted by T.V. reciever antenna are shown on television.
Closed circuit Television broadcast is only confined to classrooms or school buildings.

22.1 Audio-Visual Recording Instruments

22.1.1 Audio Recording Instruments

Radio and other audio instruments play an important role in teaching, especially for literature
courses. Besides radio, audio instruments include tape recorder, gramophone and linguaphone etc.

LOVELY PROFESSIONAL UNIVERSITY 175

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Educational Technology 175