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I have for a long time been of opinion that the quantity of noise anyo — Sound

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"I have for a long time been of opinion that the quantity of noise anyone can comfortably endure is in inverse proportion to his mental powers, and may therefore be regarded as a rough estimate of them. Therefore, when I hear dogs barking unchecked for hours in the courtyard of a house, I know what to think of the mental powers of the inhabitants. The man who habitually slams doors instead of shutting them with the hand, or allows this to be done in his house, is not merely ill-mannered, but also coarse and narrow-minded."
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Sound is a phenomenon in which pressure disturbances propagate through an elastic material medium. In the context of physics, it is characterised as a mechanical wave of pressure or related quantities, whereas in physiological-psychological contexts it refers to the reception of such waves and their perception by the brain. Though sensitivity to sound varies among all organisms, the human ear is s