Deafening Asia FINAL

8/6/2019 Deafening Asia FINAL

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Motivation

o Concerns about the Asias noise epidemic

o Unbearable cause of harming the hearing andhealth of the people


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What is noise?

In simple terms, noise isunwanted sound.

Sound is a form of

energy which is emittedby a vibrating body and

on reaching the ear

causes the sensation of

hearing through nerves.


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A noise problem generallyconsists of three inter-related

elements-

the source, the receiver and

the transmission path.


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Noise measurement

The intensity of

sound is measured insound pressure levels

(SPL) and common

unit of

measurement is

decibel, dB.


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World health Organization

Safe limit noise level:70 decibels (dBA)


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There are a variety of noises that can

be classed as a nuisance

1. Domestic Noise

2. Barking Dogs

3. Entertainment Noise from Pubs and Clubs

4. Noise from Industrial or Commercial Premises

5. Noise from Construction and Demolition Sites

6. Noise from DIYActivities

7. Intruder Alarms

8. Fireworks


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Impacts of noise

Why bother about noise?


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Immune to the noise is a MYTH the

clamor around you also seem less

bothersome simply because you are slowly

losing your hearing.


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Noise over 100dBA takes only 15 minutes

to harm our hearing


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young people increased their MP3 volume loud

enough to cover the background noise themisconception that hearing loss only happens

to old people only fuels the problem


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its not just adults end up suffering. If no steps

are taken to lessen the effects of noise, a

significant percentage of future generations

may suffer as well


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Because they are still learning how to speak,

children in noisy areas have more difficulty

understanding language and developing

essential skills in distinguishing the sounds of

speech


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Noise Pollution Effects Marine Life


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Of all their senses, sound is the one on which

they rely on most. An increasing amount of

noise pollution in their environment can have

a major, and even fatal, impact on the

animals.


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AnnoyancePhysiological effects

Loss of hearing

Human performance

Nervous system

Sleeplessness

Damage to material


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So Keep it Down Already

Hong Kong they have installed barriers and

screens along new roads but there are still 655

roads that generate noises greater than 70 dBA

Thailand - Quiet Bangkok Club to pressure the

government to reduce noise pollution


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New SouthWales, Australia- a ban was made

in 2008 to disable households to use

domestic air conditioners at night as a

solution to reduce noise.


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The following steps can be taken by the authorities concerned

for the betterment of the countrymen especially the city

dwellers:

Make people aware of the effects of noise

Stop horn of vehicles on the city streets

Ban the hydraulic horns of vehicles like thoseused by some bus, trucks etc.

Ban private use of loud speakers, mikes etc.,

e.g., in election campaigns or other publicity


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Summary

Whether knowingly or unknowingly, everyone of us

contribute to noise pollution.

Identify the sources of noise pollution.

Effortsshall be made to reduce the undesired noise

levels from (unwanted) noise generating sources.


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It is high time that everyone should do this bit

in curbing the noise pollution, which isotherwise becoming as effective as SLOW

POISONING.


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References http://lifestyle.iloveindia.com/lounge/causes-and-effects-of-noise-pollution-

4478.html

http://stress.about.com/od/situationalstress/a/noise052107.htm

http://www.noisynoise.com/index/2.php

http://www.cravendc.gov.uk/Craven/Business/EnvironmentalProtection/NoisePoll

ution/Alarms/

http://discovery.bits pilani.ac.in/dlpd/courses/coursecontent/courseMaterial%5Cetzc362%5CNoice_Poll

ution_notes.pdf

http://www.wisegeek.com/what-cities-have-the-worst-pollution.htm

http://www.nation.com.pk/

http://www.noisynoise.com/79184325/kolkata_tries_to_reduce_noise_pollution.p

hp

http://www.csr-asia.com/index.php

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Deafening Asia FINAL