The Bhoraskars' Web
What is Noise?
From sufferers' point of view, it is any sound, which they would have stopped if they could. It is undesirable, unpleasant and untimely sound, which can be continuous or intermittent.
Besides this, with the vast diversity of human culture and individual preferences, it can be empathized that, One man's music can be other man's Noise.
Scientifically, it can be described as a complex waveform, having uncertain periodicity and with one or more frequency spectrums intermixed, measurable in terms of
- Duration in time.
- Frequency spectrum in Hz or cycles per sec.
- Loudness or Sound Pressure Level (SPL) in Decibels(dB).
Some of the comparative examples for estimate of Decibels values are,
A daily exposure to about 80 dB is the upper limit, people can tolerate without significant damage to their hearing.
How much damaging Noise can be?
Most of the Psychological Effects of noise, depend on the pre-existing physical and psychological state of the individual.
Some of us, already living in noisy surroundings, may be more tolerant to Noise. While the others, having the previledge of a peaceful neighbourhood, may easily get irritated by the same sound.
The 'irritaion threshold' will also be low for neurotic persons or for someone who is already annoyed or unhappy.
For the other, Physical Effects, of sound, there is no special mercy for any individual, for example, a very loud sound can rupture the eardrum or damage the ear in other ways, of everyone whoever comes in its vicinity.
What can the Noise do to you?
Effects on the Ear
Effects on other systems