Saturday 18 February 2012

Noise and Music

Noise and Music

Noise and Music

Any intolerable and irritating sound is called noise. The word noise comes from the Latin word nausea, meaning seasickness.
Music refers to any sound that is pleasant to the ear. Sound produced by musical instruments is pleasing to the ear. But if the intensity of the sound exceeds a certain limit, then it becomes intolerable and is noise.
Undesirable sounds and disturbances cause noise pollution.
Noise pollution may cause high blood pressure, panic attacks and lack of sleep among those exposed to it. To reduce noise pollution, trees should be planted along roads and in residential areas, factories should not be set up in residential areas, vehicles should not blow horns around schools, hospitals and residential area, TVs and music systems should not be played at high volume.
Continuous exposure to loud noise may cause temporary or even permanent hearing impairment.
Sign language is used by the hearing disabled to communicate.

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