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noise WHAT IS NOISE?
Noise is a sound that produces a disagreeable auditory experience.

IN PHYSICS the vibrations or sound waves are irregular.
noise
IN MUSIC we can use noises; for instance, most of the percussion instruments produce noises when they are played.

pollutionWHAT IS NOISE POLLUTION?

It is an excessive and annoying sound caused by human activity (traffic, industry, entertainment, planes, etc..), which has adverse effects on hearing, physical and mental health.

IN PHYSICS
The human ear can only support certain maximum levels of noise.

Some noises are far over the "Threshold of the pain".

It is measure in DECIBELS (dB)

decibel

IN MUSIC
We must be careful to control noise pollution when making music or any other activity, because it damages our health.