Introduction

Everyday we hear different kinds of sounds. Some of them are pleasant to us but others cause irritation. Even the music which is enjoyed by one person can cause disturbance to others. When does a sound become noise? What is the difference between sound and noise? We will deal with such questions in this chapter. Various sources of noise would be described and the effects of noise pollution on human health would be highlighted. Finally, various steps and measures intiated to control noise pollution would be explained.

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