When Sound Becomes Noise

Sound is audible, mechanical vibrations of matter. The movement of air particles creates pressure waves. The number of air pressure waves per second is known as sound frequency. Frequency; 1 oscillation per second=1Hz

A person`s ability to hear lies within the range from 16 to 20,000Hz. The deteriorates progressively with age especially at high frequencies. Noise is defined primarily by the volume. It is measured in decibels(dB) and affects the body, mind and soul. Too much noise or long-term exposure can lead to lack of concentration, nervousness, cardiovascular problems, sleeping disorders and reduction in the ability to learn, amongst other problems.

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