NOISE POLLUTIO

NWhat’s too loud? The History of calculating noise in order to protect the environment

Noise Pollution

What is Noise Pollution?

Noise pollution refers to unwanted sound produced by human activities

Noise pollution does not stay in the environment for long such as other pollutants but has many negative effects on the environment

Types of Noise Pollution

Domestic Noise

Commercial Noise

Transportation Noise

Transportation Noise

Railway Noise

Vehicle Noise

Aircraft Noise

Effects of Noise of the Environment

On Humans:• deafness•Cardiovascular diseases•High blood pressure•Ulcers•Heart Disease•Irritability

On Animals:• Increase of death by

altering the prey/predator detection and

avoidance• Creates problems in their use of sounds in

reproduction and navigation

History of Acoustics

Galileo

Pythagoras

Twentieth Century and Calculating Noise

Tools for Calculating Noise1

.

2.

3.

Microphone

Calibrator

Decibel Meter

History of the Decibel

Decibel Reading

Introduction of the commercial jet created an

increasing amount of pressure to implement noise control

laws and systems.

Noise Laws

The END