Thursday, June 6, 2013

Wind Sound Effect

Introduction:

In the present day, the modern and high-tech life that we have built for comfort is not so harmless as it might look to be. The most culpable reason being the noise, i.e., the various sounds of varying frequencies that are we are exposed to. The effects which it has on our lives, bodies, etc are mind-boggling. Some that we know, others which are surfacing, yet others we never might get a chance to be aware of.

The effect of sound frequency variation depending on its origin and intentions, have different effects. In this article we shall discuss its various aspects.


Sound Frequency Effects


A sound wave is introduced into any medium by a vibrating object. This vibrating object is the source of the disturbance which travels through the medium. The ears of a human and most of the other animals are capable of detecting the fluctuations in air pressure which impinge upon the eardrum. Any sound with a frequency below the audible range of hearing (i.e., less than 20 Hertz) is known as an infrasound, as well as any sound with a frequency above the audible range of hearing (i.e., more than 20,000 Hertz) is known as an ultrasound. The sensation of any frequency is commonly known as the pitch of a sound. A Non-hearing related physiological and psychological effects may be caused by levels of low and high frequencies noises below or high than the individual hearing threshold

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Sound Frequency Effects


Health effects of noise are the consequences of elevated  sound levels on health . i)Elevated  noise can cause hearing impairment, ischemic heart disease, hypertension,   annoyance  , premature ejaculation bowel movements,  sleep disturbance, and decreased sexual performance.


ii) Changes in the immune system and  birth defects have been attributed to noise exposure, although evidence is limited.


iii) Though some Presbyterians may occur naturally with age, the cumulative impact of noise is enough to impair the hearing of a large selection of the population over their lifetime.


iv) Noise exposure also induces tinnitus, vasoconstriction and other cardiovascular impacts.

v) Beyond these effects, elevated noise levels can lead to stress, increase workplace accident rates, and further aggression and other anti-social behaviors. The most noticeable causes are vehicle and aircraft noise, prolonged exposure to loud music, and industrial noise

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